Find the Right Expert for Every Case

Expert Witness – Indoor Air Quality, Mold, Water Damage, Environmental Exposure

Jeffrey J. Bradley, CMC, CIEC is an Indoor Air Quality and Environmental Exposure expert specializing in mold contamination, water damage, and environmental exposure litigation. With a career spanning building diagnostics, microbial contamination, and environmental assessments, he brings a comprehensive framework to litigation work involving complex environmental disputes. His work centers on investigating mold and moisture intrusion, assessing environmental exposure risks, and evaluating whether standard-of-care deviations have occurred. Mr. Bradley has been retained in numerous expert witness and consulting engagements nationwide, involving residential, commercial, and industrial property disputes. His Master of Science in Environmental Engineering from Southern Methodist University, along with his Council-Certified Microbial Consultant and Certified Indoor Environmental Consultant certifications, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving indoor air quality and environmental exposure.

Retired Airline Pilot and Aviation Consultant

Captain Ross Sagun is an aviation safety and human factors expert specializing in Federal Air Regulations (FAR) Part 121 airline and air traffic control operational safety issues. With a career spanning airline piloting, air traffic control, and aviation consulting, he brings a comprehensive understanding of regulatory compliance and crew performance dynamics to his litigation work. His work centers on investigating operational safety breaches, assessing compliance with standard operating procedures, and evaluating whether cockpit-related human factors contributed to incidents. Mr. Sagun has been retained in numerous expert witness and consulting engagements across the United States, involving major airline operations and air traffic control procedural disputes. His Bachelor’s Degree in Economics from the University of California, Berkeley, along with FAA certifications such as the Airline Transport Pilot (ATP) certificate and Certified Flight Instructor (CFI/CFII), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving aviation safety and regulatory compliance.

MD, MPH, FACOEM, FAAN

Jonathan Silver Rutchik, MD, MPH, FACOEM, FAAN is a Neurology and Occupational Medicine expert specializing in neurotoxicology and environmental medicine litigation. With a career encompassing neurology, electromyography, and occupational health, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating chemical exposure impacts, assessing occupational health risks, and evaluating whether neurotoxicological standards have been met. Dr. Rutchik has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to chemical exposures, workplace injuries, and toxic neuropathy. His Doctor of Medicine from Hahnemann Medical College, along with Board Certified Diplomate status from the American Board of Preventive Medicine and the American Board of Psychiatry and Neurology, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving neurotoxicology and occupational health.

Ph.D., CPG, P.E.

Timothy J. Mayotte, Ph.D., CPG, P.E. is an Environmental Engineering expert specializing in geologic, hydrologic, and geophysical data interpretation. With a career spanning biological and physico-chemical treatment technologies, numerical modeling of water flow, and geotechnical investigations, he brings a multidisciplinary approach to complex environmental litigation. His work centers on investigating contamination pathways, assessing remediation strategies, and evaluating whether engineering standards have been met. Mr. Mayotte has been retained in numerous expert witness and consulting engagements across the United States, involving environmental remediation, civil engineering, and industrial wastewater treatment cases. His Doctor of Philosophy in Environmental Engineering, along with certifications as a Certified Professional Geologist and Professional Engineer, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving groundwater contamination and remediation strategies.

Principal Forensic Engineer

Scott J. Anson, Ph.D., P.E. is a forensic engineering expert specializing in multidisciplinary failure analysis and non-destructive testing. With a career encompassing mechanical and materials engineering, he brings a comprehensive framework for evaluating complex engineering failures in litigation contexts. His work centers on investigating product liability claims, assessing workplace injury causation, and evaluating whether structural failures align with industry standards. Mr. Anson has been retained in numerous expert witness and consulting engagements across Texas, Georgia, Louisiana, and Oklahoma, involving product liability, workplace injuries, and commercial litigation. His Ph.D. in Systems Science with a Manufacturing Systems concentration, along with certifications such as API 580 Risk Based Inspection and API 510 Pressure Vessel Inspector, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving mechanical and materials engineering failures.

Expert Witness

David L. Peterson is an electronic payments and banking systems expert specializing in litigation involving electronic payments, online banking systems, and core banking processing systems. With a career spanning the development and management of banking technology, he brings a strategic perspective to analyzing complex financial technology disputes. His work centers on investigating patent infringement claims, assessing compliance with banking regulations, and evaluating the validity of banking software implementations. Mr. Peterson has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to electronic payments, core banking systems, and correspondent banking. His A.A. in Computer Technologies from Palm Beach Community College, along with his extensive industry experience, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving banking technology and electronic payment systems.

MBA, MS, PE

Craig L. Moskowitz, MBA, MS, PE is a forensic engineering expert specializing in construction defects and premises liability litigation. With a career spanning construction management, civil engineering, and forensic investigations, he brings a multifaceted perspective to his litigation work. His work centers on investigating structural failures, assessing compliance with building codes, and evaluating whether construction practices meet industry standards. Mr. Moskowitz has been retained in numerous expert witness and consulting engagements across the northeastern United States, involving construction accidents, structural engineering, and property condition assessments. His Master’s in Construction Administration from Columbia University, along with his certifications as a Licensed Professional Engineer in Connecticut and New Jersey, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving construction defects and premises liability.

DNAPc, CRNA

Jill M. Krystofinski Mantell, DNAPc, CRNA is an anesthesiology expert specializing in medicolegal consultation for anesthesia-related litigation. With a career spanning nurse anesthesia practice, educational consultation, and medicolegal analysis, she brings a multifaceted perspective to her litigation work. Her work centers on investigating anesthesia-related incidents, assessing compliance with anesthesia protocols, and evaluating whether deviations from standard care occurred. Ms. Krystofinski Mantell has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to anesthesia awareness, burn surgery, and gender-affirming surgery. Her Master of Science in Nursing, along with certifications such as Pediatric Advanced Life Support Provider and Neonatal Resuscitation Certification Provider, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving anesthesiology and nurse anesthesia practices.

MSME, P.E., DFE

John Thomazin, MSME, P.E., DFE is a mechanical and electrical systems expert specializing in forensic engineering and accident reconstruction. With a career spanning software development, manufacturing, consulting, and academia, he brings a multifaceted engineering perspective to litigation work. His work centers on investigating vehicle accident reconstructions, assessing product and premises liability, and evaluating whether mechanical failures have occurred. Mr. Thomazin has been retained in numerous expert witness and consulting engagements across the United States, involving vehicle accidents, farm equipment incidents, and structural assessments. His Master of Science in Mechanical Engineering, along with certifications such as Certified XL Tribometrist and ACTAR Accredited Traffic Accident Reconstructionist, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving mechanical and electrical systems.

P.E., Ph.D.

Christine E. Carrigan, P.E., Ph.D. is a roadway safety engineering expert specializing in highway and roadside safety litigation. With a career spanning highway design, safety research, and engineering ethics, she brings a comprehensive framework to analyzing safety standards and performance evaluations. Her work centers on investigating crash frequency and severity, assessing the effectiveness of roadside safety features, and evaluating whether design deviations impact safety outcomes. Dr. Carrigan has been retained in numerous expert witness and consulting engagements across the United States, involving highway design, roadside safety, and traffic engineering cases. Her Ph.D. in Civil Engineering, along with her certification as a Local Project Administrator and registration as a Professional Engineer in multiple states, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving roadside hardware and highway safety.

Civil, Structural, and Forensic Engineering Consultant

Zohaib A. Alvi, M.Eng., P.E., ENV-SP is a Civil, Structural, and Forensic Engineering expert specializing in structural failure analysis and construction defect litigation. With a career encompassing structural design, forensic investigations, and building preservation, he brings a multifaceted engineering perspective to his litigation work. His work centers on investigating structural deficiencies, assessing construction compliance, and evaluating whether building codes were adhered to. Mr. Alvi has been retained in numerous expert witness and consulting engagements across the northeastern United States, involving structural failure, construction disputes, and building preservation cases. His Master of Engineering in Engineering Management, along with certifications such as Envision Sustainability Professional (ENV-SP) and Certified XL Tribometrist (CXLT), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving structural engineering and construction issues.

Forensic Engineer

William J. Kirkham, P.E., S.E., Ph.D., F. SEI, M.ASCE is a forensic engineering expert specializing in structural failure analysis and construction defect litigation. With a career spanning structural design, forensic investigations, and academic contributions, he brings a multidisciplinary framework to his litigation work. His work centers on investigating structural failures, assessing compliance with engineering standards, and evaluating whether construction defects contributed to damages. Mr. Kirkham has been retained in numerous expert witness and consulting engagements across the United States, involving cases such as defective railings, shotcrete pool failures, and multi-story building collapses. His Ph.D. in Wood Science & Civil Engineering, along with certifications as a Professional Engineer and Structural Engineer, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving structural engineering and construction defects.

Dental Legal Expert

Edward Ruvins, DDS, MS, MBA, MSF, MSAC, DABOI/ID, DICOI, DIDIA, FAAID, LAC, MCAP, CVA, CFE, MAFF is a dental legal expert specializing in surgical and reconstructive oral implantology and complex full-mouth rehabilitation. With a career spanning clinical practice, academic research, and consultancy, he brings a multidisciplinary perspective to litigation work. His work centers on investigating standards of care, assessing dental implantology procedures, and evaluating whether clinical negligence has occurred. Mr. Ruvins has been retained in numerous expert witness and consulting engagements across the United States, involving dental malpractice, implant complications, and standard of care disputes. His Doctor of Dental Surgery from New York University College of Dentistry, along with certifications such as Diplomate of the American Board of Oral Implantology/Implant Dentistry and Certified Valuation Analyst, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving dental standards of care and implantology.

Associate Dean of Engineering for Facilities and Planning

Makarand (Mark) Hastak, Ph.D., PE, MS(Law), CCP, CRIS, FASCE, NAC is a construction engineering and management expert specializing in profitability of construction companies, disaster risk reduction, and infrastructure management. With a career spanning consulting, research, and academia, he brings a multifaceted perspective to litigation work involving complex construction and engineering disputes. His work centers on investigating cost control measures, assessing project management decision-making, and evaluating whether risk management protocols were adhered to. Dr. Hastak has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to construction safety, insurance disputes, and contractual breaches. His Ph.D. in Civil Engineering, along with certifications such as Construction Risk Insurance Specialist (CRIS) and Certified Cost Professional (CCP), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving construction engineering and management.

Vocational Evaluator and Testifier

Matthew R. Putts, PhD, LPC, LRC, NCC, CRC, CLCP, IPEC, CVE is a vocational evaluation and rehabilitation expert specializing in vocational assessments and rehabilitation counseling. With a career encompassing leadership roles in nonprofit management, strategic consulting, and forensic rehabilitation, he brings a multifaceted perspective to litigation work. His work centers on investigating employability through vocational assessments, assessing labor market conditions, and evaluating whether employment accommodations are necessary. Mr. Putts has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to vocational rehabilitation, labor market analysis, and life care planning. His Doctor of Philosophy in Rehabilitation Counseling and Administration, along with certifications such as Certified Rehabilitation Counselor and Certified Life Care Planner, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of employability and rehabilitation needs in disputes involving vocational evaluation and rehabilitation.

CVA, ABV, MAFF, CMEA

Nataliya Kalava, CVA, ABV, MAFF, CMEA is a financial expert specializing in business valuation and economic damages litigation. With a career encompassing business valuation, public accounting, and financial planning and analysis, she brings a multifaceted perspective to her litigation work. Her work centers on investigating economic damages, assessing business valuations, and evaluating intellectual property disputes. Ms. Kalava has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to marital dissolution, shareholder disputes, and partnership buyouts. Her Master of Science in Finance, along with certifications as a Certified Valuation Analyst, Master Analyst in Financial Forensics, Accredited in Business Valuation, and Certified Machinery and Equipment Appraiser, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of economic damages in disputes involving business valuation and financial planning.

Founder & Principal Advisor

William V. Durso, Jr., CPP is a security and premises liability expert specializing in cases involving inadequate security and negligent security operations. With a career spanning security operations, technology, processes, and facilities management, he brings a comprehensive framework to litigation work. His work centers on investigating security breaches, assessing security management practices, and evaluating whether security protocols meet industry standards. Mr. Durso has been retained in numerous expert witness and consulting engagements across the United States, involving commercial real estate, hyperscale data centers, and critical infrastructure. His MBA in Business Security, along with his Certified Protection Professional (CPP) designation, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving security management and premises liability.

Professional Engineer | Construction & Federal Infrastructure Expert

Colonel (Ret.) Robert Carpenter, P.E., CGC is a construction and federal infrastructure expert specializing in engineering quality control and program oversight. With a career spanning construction project management, federal procurement, and disaster recovery operations, he brings a strategic framework to litigation work involving complex infrastructure and regulatory compliance. His work centers on investigating construction standards of care, assessing compliance with Federal Acquisition Regulations, and evaluating whether FEMA Public Assistance program requirements have been met. Mr. Carpenter has been retained in numerous expert witness and consulting engagements across Florida, Virginia, and Puerto Rico, involving federal construction standards, disaster recovery operations, and USACE infrastructure projects. His MS in Civil Engineering from Stanford University, along with certifications such as LEED and his licenses as a Professional Engineer in multiple jurisdictions, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving federal procurement and infrastructure projects.