Find the Right Expert for Every Case

Expert Independent Vehicle Inspection & Appraisal Professional

Steven S. Paul is a vehicle inspection and appraisal expert specializing in lemon law and warranty disputes, dealer fraud, and mechanical failure analysis. With a career spanning automotive service, heavy equipment maintenance, and vehicle appraisal, he brings a comprehensive framework to litigation work involving vehicle condition and valuation disputes. His work centers on investigating warranty and misrepresentation claims, assessing vehicle condition and value, and evaluating mechanical failures in high-stakes disputes. Mr. Paul has been retained in numerous expert witness and consulting engagements across Illinois and Missouri, involving cases such as lemon law disputes, dealer fraud, and vehicle valuation. His Associates Degree in Marketing, along with certifications such as ASE Master Certified Automotive & HD Trucks and ASCAA Certified Vehicle Appraiser, 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 vehicle condition and appraisal.

Licensed Psychologist

Alexandra Clarfield, PhD, QME is a forensic psychology expert specializing in psychological evaluations and expert witness testimony in cases involving personal injury, employment issues, and psychological malpractice. With a career spanning cognitive-behavioral therapy, trauma, and disability impairment, she brings a nuanced understanding of psychological assessments to her litigation work. Her work centers on investigating psychological malpractice, assessing disability impairment, and evaluating whether workplace harassment has occurred. Ms. Clarfield has been retained in numerous expert witness and consulting engagements across California, involving cases related to workers' compensation, immigration evaluations, and military mental health. Her Ph.D. in Clinical Psychology from Temple University, along with her Psychologist License in California, 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 psychological evaluations and trauma assessments.

President, Principal Engineer

Dr. Edward J. Garbin, Jr., Ph.D., P.E., D.GE is a geotechnical engineering expert specializing in forensic evaluations and structural distress analysis. With a career spanning deep foundations, ground improvement, and earth retention systems, he brings a robust technical framework to litigation work. His work centers on investigating foundation integrity, assessing soil mechanics, and evaluating whether construction practices meet industry standards. Dr. Garbin has been retained in numerous expert witness and consulting engagements across the United States, involving complex geotechnical and structural cases. His Ph.D. in Civil Engineering (Geotechnical), along with his Diplomate, Geotechnical Engineering (D.GE) certification, 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 foundation failures and soil stabilization issues.

Board Certified Otolaryngologist

Richard Laurence Nass, M.D., F.A.C.S. is an Otolaryngology expert specializing in endoscopic sinus surgery and related litigation matters. With a career encompassing diverse roles in surgical practice, academic appointments, and medical device consulting, he brings a multifaceted perspective to his litigation work. His work centers on investigating surgical outcomes, assessing medical device efficacy, and evaluating whether standard of care deviations occurred. Dr. Nass has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to otolaryngology, sinus surgery, and medical device patents. His Medical Doctor degree from New York University School of Medicine, along with his certification from the American Board of Otolaryngology, 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 hearing loss, sinus infections, and noise exposure.

Forensic Biomedical/Biomechanical Engineer and Accident Reconstructionist

Jesse L. Wobrock, Ph.D is a forensic biomedical/biomechanical engineer specializing in accident reconstruction. With a career encompassing biomechanics, injury epidemiology, and systems integration engineering, he brings a multidisciplinary approach to litigation work. His work centers on investigating accident dynamics, assessing injury mechanisms, and evaluating whether biomechanical factors contributed to the incident. Mr. Wobrock has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving cases such as wrongful death, product liability, and catastrophic injuries. His Doctor of Philosophy (Ph.D.) in Biomedical Engineering, along with his Accreditation Commission for Traffic Accident Reconstruction (ACTAR) certification, 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 accident reconstruction and biomechanics.

President, Forensic Traffic Specialists, PLLC

Daren E. Marceau, P.E. is a traffic crash reconstruction expert specializing in traffic control devices, roadway design, and crashes involving pedestrians, bicycles, and motorcycles. With a career encompassing law enforcement, engineering design, and forensic analysis, he brings a multifaceted perspective to litigation work. His work centers on investigating traffic crashes, assessing roadway safety, and evaluating whether traffic control devices contributed to incidents. Mr. Marceau has been retained in numerous expert witness and consulting engagements across the United States, involving traffic crash reconstruction and roadway safety cases. His Master of Science in Civil Engineering, along with certifications such as Certified Traffic Signal Technician (II) and Traffic Signal 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 traffic control devices and roadway design.

Construction Expert Witness

Mark “Jake” Jacobson is a construction expert witness specializing in construction defects and analysis. With a career spanning construction management, facilities oversight, and business management, he brings a comprehensive perspective to litigation work. His work centers on investigating construction defects, assessing building code compliance, and evaluating workmanship quality. Mr. Jacobson has been retained in numerous expert witness and consulting engagements across Colorado, involving residential and light commercial construction cases. His Bachelor of Arts in Business Administration, along with certifications as a Certified Building Inspector and Registered Building Official, 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 standards of care.

Superintendent of Schools

Anthony Mann, D.Ed. is an Education & Schools expert specializing in evaluating professional standards of care in K-12 settings. With a career spanning roles from teacher to superintendent, he brings a comprehensive framework for assessing school operations and educator conduct. His work centers on investigating educator misconduct, assessing school safety and student well-being, and evaluating whether human resources practices align with educational standards. Mr. Mann has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to school safety, educator misconduct, and student success initiatives. His Doctor of Educational Leadership from the University of Oregon, along with certifications such as the Certified Advancement Via Individual Determination (AVID) District Director, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving educator conduct and school administration.

CTIE, CPCU

Michael F. Stone, CTIE, CPCU is a Travel & Tourism expert specializing in tour operating, travel standard of care, and travel supplier contracts. With a career spanning strategic partnerships, digital engagement solutions, and fiscal management, he brings a multifaceted perspective to litigation work. His work centers on investigating travel agency practices, assessing compliance with industry standards, and evaluating whether duty of care obligations were met. Mr. Stone has been retained in numerous expert witness and consulting engagements across the United States and the Middle East, involving tour operators, travel agencies, and cruise companies. His Bachelor of Science Degree in Hotel and Hospitality Management, along with certifications such as CTIE and CPCU, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving travel and tourism.

CPM®

Laura A. Cantrell, CPM® is a real estate and property management expert specializing in landlord-tenant disputes and premise liability. With a career spanning property management operations, leasing and sales, and risk management, she brings a comprehensive operational framework to litigation work. Her work centers on investigating maintenance and inspection protocols, assessing standards of care in property management, and evaluating whether security and safety measures meet industry standards. Ms. Cantrell has been retained in numerous expert witness and consulting engagements across Alaska and Washington, involving residential, commercial, and HOA property types. Her Certified Property Manager (CPM®) designation, along with her Accredited Buyers Representative (ABR®) and Graduate of Realtors Institute (GRI®) certifications, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving property management and real estate operations.

President

Steven D. High, MPH, CIH, CSP, CHST, EMT, ARM, CXLT is an Environmental Health & Safety expert specializing in slip, trip, and fall litigation. With a career spanning safety management, industrial hygiene, and accident investigation, he brings a comprehensive framework to litigation work. His work centers on investigating workplace safety incidents, assessing compliance with safety standards, and evaluating whether safety protocols were adequately implemented. Mr. High has been retained in numerous expert witness and consulting engagements across the United States, involving construction safety, industrial hygiene, and chemical exposure cases. His Master of Public Health in Public Health, along with certifications such as Certified Industrial Hygienist and Certified Safety Professional, 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 occupational safety and health compliance.

Principal

John M. Keeling, CRE, MAI, CHIA is a hotel and real estate appraisal expert specializing in asset management, franchise and management agreement negotiations, and economic impact assessments. With a career spanning hotel management, consulting, and development, he brings a multifaceted perspective to litigation work involving complex real estate projects. His work centers on investigating hotel valuation, assessing financial structuring of real estate projects, and evaluating whether management agreements align with industry standards. Mr. Keeling has been retained in numerous expert witness and consulting engagements across the United States, involving hotel appraisals, workouts of troubled hospitality assets, and hotel acquisition and financing. His MBA in Hotel Restaurant & Institutional Management, along with certifications such as Certified Hotel Industry Analyst and Texas Certified General Real Estate Appraiser, 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 hotel asset management and financial structuring.

Pharm.D., BCPP

Austin De La Cruz, Pharm.D., BCPP is a psychiatric pharmacy expert specializing in psychopharmacology and medication management in mental health settings. With a career encompassing clinical pharmacy practice, academic instruction, and specialized psychiatric pharmacy roles, he brings a nuanced understanding of medication-related issues in psychiatric care to his litigation work. His work centers on investigating medication errors, assessing safe prescribing practices, and evaluating whether drug interactions contributed to adverse outcomes. Mr. De La Cruz has been retained in numerous expert witness and consulting engagements across Texas, involving cases related to psychiatric medication management, substance use disorders, and polypharmacy. His Doctor of Pharmacy degree, along with his Board Certified Psychiatric Pharmacist certification, 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 psychiatric medication practices.

Expert Witness/Expert Medicinal Chemist

Dr. David J. Augeri, PhD is a medicinal chemistry expert specializing in pharmaceutical patent IP litigation. With a career spanning oncology research, diabetes drug development, and synthetic organic chemistry, he brings a nuanced understanding of drug discovery and patent law to his litigation work. His work centers on investigating patent infringement, assessing drug enablement, and evaluating whether obviousness claims hold in ANDA disputes. Dr. Augeri has been retained in numerous expert witness and consulting engagements across North America, involving cases related to diabetes drugs, oncology treatments, and pharmaceutical patent disputes. His PhD in Synthetic Organic Chemistry from the University of California-Irvine, along with his extensive experience in pharmaceutical research, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of infringement and enablement in disputes involving diabetes and oncology drug patents.

Special Education Teacher and Administrator

Vanessa C. Beauchaine, Ed.D. is an Education & Schools expert specializing in student safety and school administration litigation. With a career encompassing roles as a special education teacher, principal, and assistant superintendent, she brings a multifaceted perspective to her litigation work. Her work centers on investigating incidents of child abuse and neglect, assessing compliance with Title IX and school safety protocols, and evaluating whether negligent supervision or hiring practices contributed to student harm. Ms. Beauchaine has been retained in numerous expert witness and consulting engagements across Massachusetts, involving cases of child safety, wrongful death, and negligent supervision in educational settings. Her Doctor of Education in Educational Administration from Boston College, along with certifications such as Special Education Administrator and Principal/Assistant Principal, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving student safety and school administration.

Property Management Expert

Amy L. Natoli, CPM®, RPA® is a property management expert specializing in premises liability and real estate litigation. With a career spanning commercial real estate management, risk management, and lease administration, she brings a comprehensive framework to her litigation work. Her work centers on investigating property management practices, assessing compliance with industry standards, and evaluating whether risk management protocols were properly implemented. Ms. Natoli has been retained in numerous expert witness and consulting engagements across the United States, involving commercial real estate properties and premises liability cases. Her Bachelor of Arts in Political Science, along with certifications as a Certified Property Manager (CPM®) and Real Property Administrator (RPA®), reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving property management and standards of care.

Chief Executive Officer

Edward L. Fronapfel, M.S.C.E., P.E., CBIE, CFCC, EDI, CBCP, MAE, F.ASCE, F.NAFE, DFE, D-IBFES, NACHI is a forensic engineering expert specializing in construction defects litigation. With a career spanning structural design, building envelopes, and civil engineering, he brings a comprehensive forensic framework to litigation work. His work centers on investigating construction defects, assessing structural integrity, and evaluating whether industry standards have been met. Mr. Fronapfel has been retained in numerous expert witness and consulting engagements across the United States, involving construction defect claims, property analysis, and catastrophic claim analysis. His Master of Science in Civil Engineering, along with certifications such as Certified Forensic Claims Consultant and Board Certified Building Inspection 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 and civil engineering matters.

Fractional CFO | Interim CFO

Douglas B. Twillman, CFA is a commercial real estate finance and asset management expert specializing in financial management, capital strategy, and operational performance for commercial real estate entities. With a career spanning strategic financial leadership, AI-driven automation, and capital markets, he brings a technology-enhanced framework to litigation work. His work centers on investigating financial modeling discrepancies, assessing asset management practices, and evaluating whether industry standards in financial operations were met. Mr. Twillman has been retained in numerous expert witness and consulting engagements across California and Texas, involving commercial real estate finance, asset management, and distressed asset evaluations. His MBA in Finance, along with his CFA Charter holder 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 financial responsibility in disputes involving commercial real estate transactions and asset management practices.