Find the Right Expert for Every Case

Principal, Silvertip Integrated Engineering Consultants

Michael D. Haughey, P.E., CEM, HBDP, LEED AP is a mechanical systems design and energy conservation expert specializing in litigation support for HVAC, plumbing, and fire protection systems. With a career spanning mechanical systems design, energy studies, and sustainability consulting, he brings a comprehensive framework to litigation work involving complex engineering assessments. His work centers on investigating system failures, assessing compliance with energy conservation standards, and evaluating whether design deviations contributed to operational inefficiencies. Mr. Haughey has been retained in numerous expert witness and consulting engagements across the Western United States, involving residential, commercial, and institutional projects. His Bachelor of Science in Mechanical Engineering from the University of California at Santa Barbara, along with certifications such as ASHRAE High Performance Building Design Professional and Certified Energy Manager, 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 system failures and energy efficiency compliance.

Owner and President

Scott Cohen, Certified Building Professional is a construction defects expert specializing in swimming pools, landscaping, and hardscape issues. With a career encompassing landscape design, pool construction, and forensic evaluation, he brings a multidisciplinary perspective to litigation work. His work centers on investigating construction defects, assessing compliance with industry standards, and evaluating whether design or installation errors contributed to failures. Mr. Cohen has been retained in numerous expert witness and consulting engagements across California, involving cases related to swimming pools, spas, and landscape design. His Ceramics Major in Ceramics, along with his Certified Building Professional 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 causation in disputes involving construction defects and safety compliance.

President of Trident Investigative Service, Inc.

Michael J. Canaan, CPP is a security management and investigations expert specializing in negligent security litigation. With extensive experience across diverse sectors including law enforcement, corporate security, and technical surveillance countermeasures, he brings a comprehensive perspective to his litigation work. His work centers on investigating security breaches, assessing risk management protocols, and evaluating whether industry standards were met in security operations. Mr. Canaan has been retained in numerous expert witness and consulting engagements across the United States, Canada, and several Central and South American countries, involving cases related to premises liability, hotel security, and workplace violence. His BA in Criminal Justice from Washington State University, 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 inadequate or negligent security measures.

MBA

Gregory M. Libby, MBA is a real estate expert specializing in commercial and residential real estate litigation. With a career spanning real estate management, development, and investment trusts, he brings a multifaceted perspective to his litigation work. His work centers on investigating property management practices, assessing lease agreements, and evaluating whether industry standards have been met. Mr. Libby has been retained in numerous expert witness and consulting engagements across California, involving commercial real estate, REITs, and property management disputes. His Master of Business Administration from the University of Phoenix, along with his California Real Estate Broker License, 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 commercial real estate and property management.

AIA, NCARB, BECxP, CxA+BE

Dan C. Weekes, AIA, NCARB, BECxP, CxA+BE is an architecture and building enclosure expert specializing in construction defects and water infiltration investigations. With a career encompassing architectural design, forensic evaluations, and building enclosure commissioning, he brings a comprehensive understanding of the built environment to his litigation work. His work centers on investigating construction defects, assessing water infiltration issues, and evaluating ADA compliance in building projects. Mr. Weekes has been retained in numerous expert witness and consulting engagements throughout Indiana, involving cases related to building design, construction defects, and ADA accessibility issues. His Bachelor of Science and Masters of Architecture in Architecture, along with certifications such as Building Enclosure Commissioning Provider (BECxP) and Commissioning Authority + Building Enclosure (CxA+BE), 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 building enclosure failures and construction defects.

Consultant, Mediator, Arbitrator

Gregory R. Riehle, JD is a hospitality and insurance expert specializing in legal, operational, and insurance matters within the hotel and restaurant industries. With a multifaceted career encompassing roles as a commercial litigator, hotel operator, and insurance executive, he brings a comprehensive legal and operational framework to his litigation work. His work centers on investigating insurance claims, assessing operational compliance, and evaluating whether industry standards have been met. Mr. Riehle has been retained in numerous expert witness and consulting engagements across the United States, involving resort asset management, hotel operations, and insurance disputes. His Juris Doctor in Law from the University of Southern California Law School, along with his active membership in the Florida Bar, 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 hospitality operations and insurance claims.

Expert Witness

Tarannom Parhizkar, Ph.D., P.E. is an Energy Systems Engineering expert specializing in fault detection, diagnosis, and prognostic health monitoring of complex systems. With a career encompassing advanced research in risk assessment and system optimization, she brings a robust analytical framework to litigation work. Her work centers on investigating fault detection methodologies, assessing risk management strategies, and evaluating system optimization techniques. Ms. Parhizkar has been retained in numerous expert witness and consulting engagements across the United States, involving energy infrastructure and complex system failures. Her Ph.D. in Energy Systems Engineering, along with her Licensed Professional Engineer designation, 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 energy systems and infrastructure resilience.

Board Certified Neurologist

PETER-BRIAN ANDERSSON MB.ChB., B.Sc.Med(Hons), D.Phil. is a Board Certified Neurologist expert specializing in traumatic brain injury, multiple sclerosis, and complex regional pain syndrome litigation. With a career encompassing neuroimmunology research, clinical practice, and academic instruction, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating traumatic brain injuries, assessing neurological impacts of multiple sclerosis, and evaluating whether standard of care deviations occurred in neuromuscular disease cases. Dr. Andersson has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to traumatic brain injury, memory disorders, and nursing home standard of care. His D.Phil. in Neuroimmunology, along with Board Certifications in Clinical Neurophysiology 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 epilepsy, EMG & EEG, and dementia.

Associate Professor

Matthew B. Ross is an economics and public policy expert specializing in discrimination and racial bias litigation. With a career spanning labor economics, public sector program evaluation, and empirical tests for disparity, he brings a nuanced understanding of public safety economics and policy impacts to his litigation work. His work centers on investigating racial profiling, assessing police practices, and evaluating whether disparities in enforcement align with constitutional standards. Mr. Ross has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to discrimination, racial profiling, and public safety policy evaluation. His Ph.D. in Economics from the University of Connecticut, along with his extensive academic and advisory roles, 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 and responsibility in disputes involving racial bias and police practices.

Premises Liability/Negligent Security Expert

Ken Wheatley, MA, CPP is a Premises Liability/Negligent Security expert specializing in inadequate and negligent security litigation. With a career spanning over three decades in security management and consulting, he brings a strategic risk assessment framework to his litigation work. His work centers on investigating security breaches, assessing guard force management, and evaluating whether security procedures meet industry standards. Mr. Wheatley has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to apartment buildings, commercial properties, and retail environments. His Master's Degree in Business and Organizational Security Management, along with certifications such as Certified Protection Professional (CPP) and Personal Protection Specialist (PPS), 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 negligent security and premises liability.

Police Practice Consultant

Chief Chet Epperson (Ret.) MBA is a Police Practices & Procedures expert specializing in police use of force, internal affairs, and officer-involved shootings. With extensive experience in law enforcement leadership and consulting, he brings a comprehensive understanding of police operations and policy development to his litigation work. His work centers on investigating police misconduct, assessing compliance with consent decrees, and evaluating whether policing standards have been met. Mr. Epperson has been retained in numerous expert witness and consulting engagements across the United States, involving police misconduct, excessive force, and wrongful conviction cases. His MBA in Public Administration, along with certifications such as Public Safety Internal Affairs/Discipline Investigator: Level 1, 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 police practices and procedures.

PE, CEFI

Robert C Hoffman Jr, PE, CEFI is a product safety and engineering expert specializing in consumer goods litigation. With a career spanning product development, safety testing, and failure analysis, he brings a comprehensive framework to litigation work involving product safety and compliance. His work centers on investigating product failures, assessing safety compliance, and evaluating whether design standards were met. Mr. Hoffman has been retained in numerous expert witness and consulting engagements across the United States, involving major appliance safety and product liability cases. His BSME in Mechanical Engineering, along with certifications in Product Safety Tools, Experimental Statistics & SPC, UL standards, and as a Certified Fire and Explosion Investigator (CFEI), 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 product safety and engineering standards.

Anesthesiologist

Keith J. Chamberlin, MD MBA FASA is an anesthesiology expert specializing in anesthesiology standard of care. With a career encompassing roles in hospital administration, healthcare management, and clinical anesthesiology, he brings a multifaceted perspective to litigation work. His work centers on investigating deviations in anesthesiology practices, assessing healthcare management protocols, and evaluating whether safety and quality standards were upheld. Dr. Chamberlin has been retained in numerous expert witness and consulting engagements across California, involving cases related to anesthesiology practices, hospital administration, and healthcare fraud. His Medical Doctor degree from Georgetown University School of Medicine, along with Board Certification by the American Board of Anesthesiology and his status as a Fellow of the American Society of Anesthesiologists, 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 anesthesiology and healthcare management.

Principle Consultant

Avery Thompson is a digital forensics expert specializing in complex digital evidence analysis and strategic case review. With a career spanning law enforcement, telecommunications analysis, and criminal investigations, he brings a multifaceted investigative framework to his litigation work. His work centers on investigating digital communication patterns, assessing cellular data for forensic relevance, and evaluating whether telecommunications records align with case facts. Mr. Thompson has been retained in numerous expert witness and consulting engagements across the United States, involving cases of digital forensics, drug distribution, and telecommunications analysis. His Business Administration degree from the University of Alaska-Fairbanks, along with certifications such as Cellebrite Certified Operator and Cellebrite Certified Physical 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 causation in disputes involving mobile device forensics and digital evidence interpretation.

Professional Engineer and Professional Land Surveyor

Peter D. Zwick, PE, PS, MS Eng. is a civil engineering and land surveying expert specializing in stormwater management, infrastructure development, and site planning litigation. With a career spanning public and private sector engineering, he brings a comprehensive understanding of municipal and industrial project execution to his litigation work. His work centers on investigating stormwater management practices, assessing infrastructure compliance, and evaluating whether construction standards have been met. Mr. Zwick has been retained in numerous expert witness and consulting engagements throughout Ohio, involving cases related to stormwater management, underground infrastructure, and highway accidents. His Master of Science in Systems Engineering, along with his licenses as a Professional Engineer and Professional Land Surveyor, 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 complex engineering and surveying issues.

Sr. Design Engineer, Sr. Forensic Engineer, Pipe Failure Expert

Al Rose, P.E. is a pipe failure analysis expert specializing in forensic engineering and material science litigation. With a career spanning design engineering, R&D, and forensic investigations, he brings a comprehensive framework to litigation work involving complex pipe failure scenarios. His work centers on investigating failure causation, assessing material integrity, and evaluating compliance with industry standards. Mr. Rose has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving cases in chemical, petroleum, and wastewater industries. His Bachelor of Science in Mechanical Engineering, along with his Professional Engineer licenses in AZ and CA, 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 pipe and tubing failures.

EdD, RDN, CDCES, FAND

Dr. Mitchel Kirk Holliday, EdD, RDN, CDCES, FAND is a Nutrition and Dietetics expert specializing in correctional healthcare and clinical nutrition litigation. With a career encompassing leadership roles in public health and correctional systems, he brings a strategic perspective to evaluating nutrition policies and practices in institutional settings. His work centers on investigating compliance with dietary standards, assessing the adequacy of nutrition interventions, and evaluating whether institutional practices meet established guidelines. Dr. Holliday has been retained in numerous expert witness and consulting engagements across the United States, involving correctional healthcare, food safety, and clinical nutrition disputes. His Doctor of Education in Career and Technical Education, along with certifications such as Certified Diabetes Care and Education Specialist and Registered Dietitian, 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 nutrition and dietetics in correctional facilities.

Managing Director

CHARLES HARRIS HELLER, PH.D. is a forensic psychology expert specializing in criminal behavior analysis and child custody evaluations. With a career encompassing forensic psychology, child custody evaluations, and domestic violence assessment, he brings a nuanced understanding of psychological dynamics to his litigation work. His work centers on investigating criminal behavior, assessing competency to stand trial, and evaluating the psychological impact of domestic violence. Dr. Heller has been retained in numerous expert witness and consulting engagements across the United States, involving criminal cases, child custody disputes, and domestic violence assessments. His Ph.D. in Psychology from the University of Wisconsin-Madison, along with certifications such as the Certificate of Professional Qualification in Psychology and the Telepsychology Competencies Credential, 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 forensic psychological evaluations.