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# Blackstone Global Inc.: Blackstone is a leading provider of construction and construction defect litigation services. Our team of experienced professionals includes general contractors, architects, master tradesmen, and construction consultants.

## Sitemaps
[XML Sitemap](https://blackstoneglobalca.com/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [What Is a Forensic Building Investigation? A Step-by-Step Guide](https://blackstoneglobalca.com/defect-litigation-services/forensic-building-investigation/): Forensic Building Investigation Guide | Blackstone Global
- [What Is a Water Intrusion Investigation? How Experts Find the True Source of a Leak](https://blackstoneglobalca.com/defect-litigation-services/water-intrusion-investigation/): Water Intrusion Investigation: How Experts Find Leak Sources | Blackstone Global
- [Construction Defect Lawsuit: Expert Guidance Through Complex Construction Disputes](https://blackstoneglobalca.com/defect-litigation-services/construction-defect-lawsuit-expert-guidance-through-complex-construction-disputes/): A construction defect lawsuit is often one of the most complex forms of construction-related litigation. These cases frequently involve multiple parties, extensive documentation, technical analysis, and significant financial exposure. Owners, developers, contractors, insurers, and legal teams rely heavily on expert guidance to navigate these disputes effectively. Understanding how construction defect lawsuits arise and how expert support strengthens outcomes is critical to achieving fair resolution.
- [Construction Defect Consulting: Proactive Expertise to Reduce Risk and Strengthen Outcomes](https://blackstoneglobalca.com/defect-litigation-services/construction-defect-consulting-proactive-expertise-to-reduce-risk-and-strengthen-outcomes/): Construction defect issues can expose owners, developers, contractors, and insurers to significant financial and legal risk. Addressing these issues early and strategically often makes the difference between efficient resolution and prolonged, costly disputes. Construction defect consulting provides proactive, expert guidance to identify problems, assess exposure, and support informed decision-making throughout the life of a project or dispute.
- [Forensic Construction Expert: Investigating Construction Failures with Precision and Objectivity](https://blackstoneglobalca.com/defect-litigation-services/forensic-construction-expert-investigating-construction-failures-with-precision-and-objectivity/): Construction failures can have serious financial, operational, and safety consequences. When buildings or building systems do not perform as intended, determining what went wrong, why it happened, and who may be responsible requires specialized expertise. A forensic construction expert plays a critical role in investigating construction failures and providing objective, evidence-based conclusions that support legal, insurance, and technical decision-making.
- [Construction Expert Witnesses: Trusted Testimony in Complex Construction Disputes](https://blackstoneglobalca.com/defect-litigation-services/construction-expert-witnesses-trusted-testimony-in-complex-construction-disputes/): Construction disputes frequently involve highly technical issues related to design, workmanship, scheduling, costs, and industry standards. In these matters, construction expert witnesses play a critical role in helping judges, juries, arbitrators, and mediators understand complex construction concepts and factual circumstances. Their opinions often shape case strategy, influence settlement negotiations, and impact final outcomes.
- [Construction Defect Expert: Protecting Owners, Developers, and Legal Teams](https://blackstoneglobalca.com/defect-litigation-services/construction-defect-expert-protecting-owners-developers-and-legal-teams/): Construction defect experts provide critical forensic investigation, expert testimony, and litigation support for California property owners, developers, and legal teams facing building failures. With expertise in SB 800 compliance, building code analysis, and decades of construction experience, qualified experts identify defects, determine liability, develop repair scopes, and deliver defensible testimony that stands up in court.

## Pages
- [Lexi Tognela](https://blackstoneglobalca.com/company/professionals/lexi-tognela/): Lexi Tognela is a Marketing Strategy Manager at Blackstone Global, where she leads the development and execution of strategic marketing initiatives that strengthen brand positioning and support business growth. She specializes in translating complex technical services into clear, compelling messaging that resonates with key audiences, including attorneys, developers, property managers, and insurance professionals.
- [Booking](https://blackstoneglobalca.com/booking/): Blackstone Global
- [Reviews Widget](https://blackstoneglobalca.com/reviews-widget/): What Our Clients Say Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Reviews on Google
- [Thank You](https://blackstoneglobalca.com/thank-you/): Thanks for your message! We'll be in touch soon. Back to Home receiver mail social
- [New Homepage Additions](https://blackstoneglobalca.com/new-homepage-additions/): ">
- [Jay Critchfield](https://blackstoneglobalca.com/company/professionals/jay-critchfield/): Jay Critchfield is a Consultant at Blackstone Global Inc. with more than 30 years of experience as a Licensed General Contractor, bringing deep, hands-on industry knowledge to defect litigation, forensic investigations, and project-related dispute matters.
- [Blog](https://blackstoneglobalca.com/blog/)
- [Max Tognela](https://blackstoneglobalca.com/company/professionals/max-tognela/): Max Tognela is a highly skilled Analysis Technician II with over five years of hands- on experience in technical analysis, construction support, laboratory operations, and data-driven problem solving. Known for his precision, reliability, and strong technical expertise, Max has built a reputation for delivering high-quality results that support both engineering and construction teams while ensuring compliance with strict industry standards.
- [Steve Julian](https://blackstoneglobalca.com/company/professionals/steve-julian/): With more than 29 years of hands-on experience, Steve Julian is a trusted leader in the glazing and fenestration industry. His career spans project management, fabrication, installation, consulting, and expert witness testimony, making him a versatile professional with a reputation for delivering precision, quality, and innovative solutions.
- [Helen Hébert](https://blackstoneglobalca.com/company/professionals/helen-hebert/): Senior Consultant, Blackstone Global Helen Hébert Helen is a licensed architect in Wisconsin, holding a Bachelor of Science in Architecture from the University of Illinois. Her career spans more than three decades and reflects a unique blend of architectural design, forensic investigation, and property condition assessment, giving her an exceptional breadth of technical and analytical expertise. She began her professional career at a prominent Chicago engineering firm specializing in erection procedures for large and complex structures. It was here that she was first introduced to forensic work, participating in the detailed analysis of construction defects and accident experience that would later become a cornerstone of her career. Helen’s professional trajectory includes significant contributions to healthcare facility design at a leading architectural firm, where she played a key role in complex hospital projects. She then transitioned to forensic engineering, joining a well-regarded firm before becoming a majority shareholder in a nationwide provider of property condition assessments. In this role, she oversaw and contributed to assessments for diverse building types, ensuring comprehensive evaluations of structural and building envelope performance. In 1999, Helen relocated to the San Francisco Bay Area to open a branch office for her company, successfully expanding its market reach. After selling her ownership interest, she returned to hands-on forensic architecture, where her true passion lies. Helen’s technical specialization is in building envelope analysis and consultation, with an emphasis on waterproofing and roofing systems. She is recognized for her ability to accurately diagnose the root causes of building failures—whether due to design flaws, material deficiencies, or construction errors—and to develop effective, lasting solutions that address those issues at their source. Her methodical approach, combined with her clear communication style, has made her a trusted consultant to architects, contractors, property owners, attorneys, and insurance professionals. Over her career, Helen has provided expert witness services, authored detailed forensic reports, and contributed to the resolution of complex construction disputes. She is respected for her meticulous documentation, deep technical knowledge, and commitment to practical, cost-effective solutions that preserve both building performance and client resources.
- [Christina McKenzie](https://blackstoneglobalca.com/company/professionals/christina-mckenzie/): Paralegal, Blackstone Global Christina McKenzie Christina is a seasoned paralegal with over five years of experience supporting complex litigation across multiple legal sectors. Her unique background combines legal precision with a deep understanding of construction operations, making her an invaluable asset to both attorneys and field teams. Whether reviewing intricate contracts or managing regulatory filings, Christina ensures that every legal component of a project is handled with clarity, accuracy, and efficiency. She began her legal career at a prestigious immigration firm, where she developed strong procedural discipline and attention to detail. Her interest in construction law emerged during her time at a leading community association law firm, where she worked on matters involving construction defects, contractor disputes, and building code compliance. Since then, Christina has expanded her expertise by working closely with both law firms and construction clients, bridging the gap between legal requirements and operational execution. In her current role, Christina is responsible for reviewing and organizing high-volume construction documentation, preparing litigation materials, assisting attorneys with trial preparation, and maintaining detailed physical and digital records. She is widely recognized for her exceptional organizational skills, calm under pressure, and ability to manage tight deadlines and high-stakes legal filings. Christina holds a Paralegal Certificate from California State University, East Bay, and is regarded by her peers as a reliable legal professional who consistently delivers results.
- [Shawn Foley](https://blackstoneglobalca.com/company/professionals/shawn-foley/): Shawn Foley is a highly experienced construction consultant at Blackstone Global, specializing in building envelope systems, defect analysis, and quality assurance. Based in Northern California, her expertise supports both litigation and reconstruction projects through comprehensive inspections, rigorous performance testing, and the delivery of detailed, insightful reports.
- [Christopher J. Dumm](https://blackstoneglobalca.com/company/professionals/christopher-j-dumm/): Christopher (Chris) Dumm is a highly experienced sheet metal specialist with over 16 years in the metal roofing and architectural metal industry. His expertise, honed through a lifetime immersed in the trade, stems from growing up in a family dedicated to metal manufacturing, roofing, and fabrication. This deep-rooted knowledge, coupled with his proficiency in light gauge steel applications, custom architectural sheet metal, and waterproofing integration, makes him a valuable expert witness in legal matters involving metal roofing systems, flashing details, and installation best practices.
- [Chris Marshall](https://blackstoneglobalca.com/company/professionals/chris-marshall/): Mr. Marshall has established himself as a multi-disciplined construction professional since the 1980’s. With first-hand experience in earthwork, framing and finish carpentry, Chris offers a breadth of expertise. Chris came to Blackstone Global in 2006 as a Project Manager and ran single-family, multi-family and commercial projects.
- [Ken Murney](https://blackstoneglobalca.com/company/professionals/ken-murney/): Mr. Murney has been refining his skills in construction since 1989 and has succeeded in every role, from being in the carpenters union to General Contractor. His early growth came in framing and management for a new home developer. Ken expanded his expertise in high-end custom home building and onto managing single family subdivisions.
- [Danny Lewis](https://blackstoneglobalca.com/company/professionals/danny-lewis/): Mr. Lewis began his construction career as an Electrician in the mid 1990’s. In 2000, Danny went to work for general contractors of various sizes for the next twelve years learning the valuable trades of framing, drywall, plumbing and finishing work, primarily in residential building. This served as a perfect segway to construction management where Danny has since flourished.
- [Joe Scerbo](https://blackstoneglobalca.com/company/professionals/joe-scerbo/)
- [Moh Salik](https://blackstoneglobalca.com/company/professionals/moh-salik/): Moh Salik is an Accounting Controller with almost a decade of experience in financial reports & reconciliation processes. He offers a solid background in financial management and a proven track record of driving fiscal responsibility contribute to the continued success of Blackstone Global.
- [Bradley Logan](https://blackstoneglobalca.com/company/professionals/bradley-logan/): Brad Logan is a Construction Manager with 17+ years of experience being successful in every aspect of the business. Brad’s background of management, project costing and detailed communication have enabled him to deliver project after project on both time and budget expectations. Brad has specific expertise in window structures, building codes, frames, issues, and aesthetics.
- [Unveiling the Expertise of Joe Scerbo: A Beacon in Electrical Construction and Water Treatment Plant Instrumentation](https://blackstoneglobalca.com/unveiling-the-expertise-of-joe-scerbo-a-beacon-in-electrical-construction-and-water-treatment-plant-instrumentation/): Electrical Construction Mastery: Joe Scerbo's proficiency in electrical construction is unparalleled. His in-depth understanding of electrical systems, codes, and standards has made him a sought-after authority in the industry. From the initial design phase to the implementation and troubleshooting of electrical installations, Scerbo's expertise ensures that projects meet the highest standards of safety and efficiency. Hazardous Locations Expert: Navigating hazardous locations requires a unique set of skills and knowledge. Joe Scerbo's expertise in identifying, assessing, and mitigating risks in hazardous environments sets him apart. His comprehensive understanding of safety protocols and regulations ensures that electrical constructions in challenging settings adhere to the strictest safety standards. Instrumentation Guru for Water and Wastewater Treatment Plants: Water and wastewater treatment plants demand precision in instrumentation to guarantee optimal performance and regulatory compliance. Joe Scerbo's direct experience in this domain makes him a go-to expert witness. His insights into the intricacies of plant instrumentation, including sensors, control systems, and automation, contribute significantly to the success of water treatment projects. Direct Knowledge that Speaks Volumes: What sets Joe Scerbo apart is not just his theoretical knowledge but his hands-on experience. Having been involved in numerous projects, he brings a practical perspective that resonates with clients, legal teams, and industry professionals alike. Scerbo's direct knowledge becomes a valuable asset in legal proceedings, providing a credible and authoritative voice. A Trusted Expert Witness: As an expert witness, Joe Scerbo has been instrumental in legal cases related to electrical construction and water treatment plant instrumentation. His ability to communicate complex technical details in a clear and concise manner makes him an invaluable asset in courtrooms, where his testimony has often played a crucial role in establishing facts and understanding the nuances of the cases at hand. In conclusion, Joe Scerbo's direct knowledge and experience in electrical construction, hazardous locations, and instrumentation of water and wastewater treatment plants position him as a true expert in his field. His contributions to safety, efficiency, and regulatory compliance make him a trusted figure in both the industry and the legal landscape, solidifying his reputation as a go-to expert witness for cases requiring a deep understanding of these critical domains.
- [Blogs](https://blackstoneglobalca.com/blogs-c/): Blogs
- [Posts](https://blackstoneglobalca.com/posts/): In the realm of electrical construction and the intricate instrumentation of water and wastewater treatment plants, one name stands out as a beacon of expertise—Joe Scerbo. With a wealth of direct knowledge and hands-on experience, Joe Scerbo has become a trusted expert witness in these critical fields.
- [Blackstone Global](https://blackstoneglobalca.com/): ">
- [Company](https://blackstoneglobalca.com/company/): COMPANY
- [Guido Rodriguez](https://blackstoneglobalca.com/company/professionals/guido-rodriguez/): Mr. Rodriguez is very skilled in coordinating the work of Blackstone team members. He is an expert on supervising the construction site, while maintaining an on-schedule and on-budget performance. Guido has very high expectations in quality of work performed, derived from his extensive knowledge about construction laws and regulations.
- [Robyn Evans](https://blackstoneglobalca.com/company/professionals/robyn-evans/): Robyn is much more than just a Certified Paralegal (CAS). She promotes the highest level of professionalism in legal services with her Advanced Paralegal Certificate in Civil Litigation (ACP). Robyn’s extensive and accomplished career started in 1996 working with some of the Bay Area’s most distinguished law firms.
- [Professional Services](https://blackstoneglobalca.com/professional-services/): Blackstone Global provides a wide range of professional services to clients in the construction industry. Our team of experienced professionals has a proven track record of success in a variety of projects.
- [Patrick Toohey](https://blackstoneglobalca.com/company/professionals/patrick-toohey/): It is with heavy hearts that we remember and honor the life of our dear colleague, Pat Toohey. Pat was not just a valued member of our team but a cherished friend to many. His unwavering dedication, warm spirit, and positive energy left an indelible mark on everyone fortunate enough to have known him.
- [Rocky Lewis](https://blackstoneglobalca.com/company/professionals/rocky-lewis/): Rocky Lewis has over 25 years of experience in the construction industry. He started his career as a custom home framer in the mid-nineties and has worked his way up through the ranks from a foreman to superintendent, purchasing agent to project management and estimator. Rocky’s diverse background makes him a valuable asset in many of Blackstone’s offerings, often times by leading as an outstanding example in so many disciplines. Rocky has also been a Licensed General Contractor since 2001.
- [Josh Weaver](https://blackstoneglobalca.com/company/professionals/josh-weaver/): Josh Weaver has been in the waterproofing space for nearly a decade offering expertise in estimating, proposals, blueprints and specifications. Josh collaborates with engineers, architects, owners and contractors to offer a comprehensive design. Josh shares his software knowledge of PlanSwift, On-Center’s Takeoff, Bluebeam’s Revu, AutoCAD, SOLIDWORKS and B2W.
- [Chip Siebert](https://blackstoneglobalca.com/company/professionals/chip-siebert/): Mr. Siebert has a unique background in construction that began in the 1980’s when he built residential homes for Bill Brown Construction. Following college, he embarked on a career in the electronics industry for 20 years. He has now returned to his passion of construction consulting since 2010.
- [Leadership](https://blackstoneglobalca.com/company/leadership/): CEO and Chairman
- [Connect](https://blackstoneglobalca.com/company/connect/)
- [Waterproof Coatings](https://blackstoneglobalca.com/specialty-services/waterproof-coatings/): Specialty Services
- [Interior Finishes](https://blackstoneglobalca.com/specialty-services/finishes/): Specialty Services
- [Structural Concrete](https://blackstoneglobalca.com/specialty-services/concrete/): Specialty Services
- [Specialty Services](https://blackstoneglobalca.com/specialty-services/): Blackstone Global provides a wide range of specialty services to help our clients achieve their goals. Our team of experienced professionals has the expertise and knowledge to handle any project, large or small. If you need help with a specialty service, contact Blackstone Global today. We will be happy to discuss your needs and develop a solution that meets your specific requirements.
- [Livermore Bankhead](https://blackstoneglobalca.com/livermore-bankhead/): New Construction
- [Architectural Services](https://blackstoneglobalca.com/professional-services/architectural-services/): Professional Services
- [Reconstruction](https://blackstoneglobalca.com/building-services/reconstruction/): Building Services
- [Tenant Improvement](https://blackstoneglobalca.com/building-services/tenant-improvement/): Building Services
- [Residential](https://blackstoneglobalca.com/building-services/residential/): Building Services
- [Multifamily](https://blackstoneglobalca.com/building-services/multifamily/): Building Services
- [Framing and Carpentry](https://blackstoneglobalca.com/specialty-services/framing-concrete-division/): Specialty Services
- [Engineering Services](https://blackstoneglobalca.com/professional-services/architect-engineering/): Professional Services
- [Entitlement Services](https://blackstoneglobalca.com/professional-services/entitlement-services/): Professional Services
- [Defect Litigation Services](https://blackstoneglobalca.com/professional-services/defect-litigation/): Professional Services
- [Construction Management](https://blackstoneglobalca.com/professional-services/construction-management/): Professional Services
- [Newell Pangulayan](https://blackstoneglobalca.com/company/professionals/newell-pangulayan/): Newell has been in the civil engineering field with an emphasis in structural since 2012. His experience includes the design of industrial structures within oil refineries in the Bay Area as well as Alaska and Washington. Most recently before joining Blackstone, he worked on various water treatment facilities serving communities in Northern and Southern California.
- [Summit Ridge](https://blackstoneglobalca.com/summit-ridge-walnut-grove/): A perfect project for Blackstone’s waterproofing division.  An HOA development needed help with aging siding and failed waterproofing.  Blackstone came to the rescue by removing old material and water damaged areas and replacing siding with state-of-the art materials & building techniques.  Blackstone also updated doors, windows, balconies, and decks for many of the residents, bringing life back to this entire complex.
- [Berkeley/Oakland Construction Litigation](https://blackstoneglobalca.com/berkeley-oakland/): This project began as a simple project to reframe two balconies and install waterproofing and railings per the plans associated with such. Blackstone discovered a much bigger issue at the property due to water issues. All the decks including the framing as wells as the stucco required complete removal and replacement as a result.
- [Homewood Suites Litigation Support Services](https://blackstoneglobalca.com/homewood-suites/): This project consisted of drywall and wallpaper repairs in the guest suites as a result of foundation issues at the hotel. Blackstone is currently fixing the damage, in each of the rooms required, and the root of the issue is being corrected to ensure no future issues will arise. The client is extremely satisfied with Blackstone’s ability to meet their schedule and budgetary obligations while allowing them to stay open to service guests and maintain consistent revenue.
- [Litigation](https://blackstoneglobalca.com/litigation/): From field investigations to trial, Blackstone provides only the best in customer service to all its clients. Blackstone represents owners, developers, and subcontractors in all aspects of construction and design defect and pre- and post-construction issues.  From field investigation to trial, Blackstone provides its clients with outstanding customer service.
- [Privacy Policy](https://blackstoneglobalca.com/privacy-policy/): Effective date: March 07, 2019
- [San Francisco II](https://blackstoneglobalca.com/san-francisco-ii/): This unique building in San Francisco with its window front façade faced many water intrusion issues when Blackstone was approached. The windows and sliding glass doors were all facing water issues of which Blackstone required a plan of action. Nestled in beautiful Pacific Heights, this property is subject to the sometimes-cloudy weather conditions facing San Francisco residents, necessitating a fast resolve to these water issues.
- [Sacramento](https://blackstoneglobalca.com/sacramento/): This apartment complex faced moisture content issues within the units themselves. It was up to Blackstone to develop an innovative approach to resolve the issue for the client and reduce the condensation within the units. Furthermore, the resultant damage from previous moisture had to be identified and resolved within the buildings.
- [San Jose](https://blackstoneglobalca.com/san-jose/): This apartment complex located in San Jose is split up into a 5-phase GMP project. It is faced with many water intrusion related issues which are currently being resolved by Blackstone throughout each of the five phases while simultaneously working to complete an entire interior renovation of each of the units. Blackstone has worked to identify the water related issues, resolve them and provide a healthy building to the client post litigation.
- [Hampton Inn Suites construction litigation support](https://blackstoneglobalca.com/hampton-inn-suites/): This project consisted of interior and exterior renovation. Water damage was present throughout the building. This was corrected and the building had all new windows and plaster/lath. We did all the framing repair and demo, assisted with drywall repair, completed handyman punch-list items, and installed SASM dams for the new windows. Highlights include the framing and water intrusion that we repaired. This was a big project with a lot of issues. This project is ongoing however, it is nearing completion. The client is extremely happy with the progress being made. 
- [Los Gatos](https://blackstoneglobalca.com/los-gatos/): This historical home had foundation issues which required the diligent expertise of Blackstone. Furthermore, the house had water intrusion issues in several locations which required identification and elimination. In addition to the removal of the structural issues, the client required certain renovations to bring the home up to Los Gatos standards.
- [David Tognela](https://blackstoneglobalca.com/company/leadership/david-tognela/): As the founder of Blackstone, David brings his expertise and passion for the industry to every project the company takes on. With an unparalleled commitment to quality, David’s dedication to providing the best construction and development services to his clients shines through. David excels in providing construction defect consulting services; litigation support, expert testimony and depositions, expert witness services.
- [Contact](https://blackstoneglobalca.com/company/contact/): Submit
- [San Francisco](https://blackstoneglobalca.com/san-francisco/): This particular project faced water intrusion issues at the windows and concrete walls. The challenge facing this project was its relative proximity to the San Francisco Bay. The client wished to resolve the water intrusion issues expeditiously to allow for rental of the property.
- [Holiday Inn Express](https://blackstoneglobalca.com/holiday-inn-express/): Blackstone proudly completed this large hospitality project, which consisted of interior and exterior upgrades and repairs. Water damage was present throughout the building, while keeping the hotel functional, we installed all new windows, and SASM damns for the windows, assisted in drywall repairs etc. We continued by carrying out all framing repair, and plaster/lath applications. As expert construction project managers we coordinated and collaborated with key firms ensuring the project was completed on time and within budget.
- [Professionals](https://blackstoneglobalca.com/company/professionals/): Managing Director of Litigation Services
- [Hospitality](https://blackstoneglobalca.com/building-services/hospitality/): Building Services
- [Building Services](https://blackstoneglobalca.com/building-services/): Blackstone Global | Building Services