Justin Soliz joined J.S. Held in August 2024 as the Mid-Atlantic Project Manager, specializing in Industrial Hygiene and Environmental, Health, & Safety (EHS) management and consulting. With over 20 years of experience in restoration, property adjusting, and environmental consulting, Justin provides expert services to diverse clients. He has conducted hundreds of environmental assessments, including mold assessments and protocols, asbestos surveys, water and smoke damage assessments, lead-based paint risk assessments, and indoor air quality investigations.
Arthur "Art" Clarke, JD, has over 40 years of experience as an environmental consultant and attorney. He specializes in litigation support, expert witness services, transactional support, due diligence, and regulatory compliance matters and has extensive technical experience as a project manager and analytical chemist. Art also provides regulatory counseling and consulting to clients appearing before state and federal administrative agencies, administrative law proceedings, and plenary courts. He oversees J.S. Held's substantial environmental litigation and advisory support services, providing expert witness, litigation support, and sustainable financial consulting to a global clientele.
Dr. Phillip Ludvigsen specializes in environmental litigation support, ESG, and sustainable financing, such as green bond development and verification. He has authored and co-authored expert witness reports, rebuttals, and settlement memorandums for mediation, allocation, regulatory oversight, and litigation engagements, including superfund mega-sites, manufactured gas plant (MGP) cleanup programs, insurance claims, and international dispute resolution.
Josh Heltzer is a litigation support and sustainability expert based in New Jersey with more than 30 years of experience across federal, state, private-sector, civic, and international arenas.
Thomas Vorhies is an environmental attorney with over ten years of experience in the legal field, five of which were focused on litigation consulting and expert testimony support. He specializes in supporting experts retained for superfund allocation, natural resource damages assessment, toxic torts, legacy industrial contamination litigation, environmental class actions, and insurance recovery/defense.
Nicole Topor-Madry is a Toxicologist at J.S. Held with a strong academic background in chemistry and biochemistry. Her work centers on the intersection of chemical systems, human health, and environmental safety, with a focus on delivering data-driven solutions that align with regulatory standards and promote sustainable practices.
Joel Bailey is a Chartered Occupational Hygiene Professional with 20 years of experience in the Asbestos and Industrial Hygiene sector. He has extensive experience in consultancy related to asbestos management and compliance and possesses professional knowledge of exposure and control management for dust, fumes, and particulate exposure in the workplace. Joel has expertise in respirable crystalline silica, diesel fumes, toxic gases, welding fumes, working with lead and other heavy metals, and the hardwood working industry.
Jennifer Markfort brings extensive experience in emergency management, environmental assessment, and project oversight, supported by a decade of service in the United States Air Force. She has performed environmental evaluations involving mold, asbestos, lead, smoke, and other building-related contaminants, and has contributed to Phase I and II Environmental Site Assessments, Media Management Plans, remediation planning, and the development of SPCC and SWPPP programs.