A Certified Access Specialist (CASp) with more than 25 years of accessibility compliance experience and approximately 30 years as an expert witness, he provides technical analysis in cases involving ADA standards and related state accessibility codes. He has evaluated well over 1,000 matters involving alleged accessibility violations and has provided deposition and courtroom testimony addressing architectural barriers, scoping and technical compliance requirements, and statutory obligations under Titles II and III of the ADA. His engagements include evaluation of complaints involving federal accessibility standards and related enforcement proceedings.

His technical work includes conducting facility compliance audits across virtually every occupancy category covered under applicable accessibility laws. Areas of analysis include accessible routes, parking, ramps, restrooms, signage, path-of-travel requirements, and program accessibility, with evaluation of scoping and technical provisions under federal ADA standards and corresponding state accessibility codes. He has designed and constructed retrofit improvements to bring facilities into compliance with accessibility mandates.

Professional contributions include authorship of widely distributed accessibility compliance manuals integrating ADA standards with state building code provisions, including multiple editions of a comprehensive disabled accessibility guidebook. Credentials include certification as a Certified Access Specialist (CASp), certification as an Accessibility/Usability Specialist by the International Code Council, and designation as an Academy Certified Expert and Academy Certified Diplomate. He has provided continuing legal education instruction and has served on advisory committees addressing accessibility code development and compliance standards.