T.Y. Lin International Hires Jeffry H. Marcus, Ph.D., as Environmental Science Group Leader

T.Y. Lin International Hires Jeffry H. Marcus, Ph.D., as Environmental Science Group Leader

Company News
Jeffry H. Marcus, Ph.D.

T.Y. Lin International (TYLI), a globally recognized full-service infrastructure consulting firm, announces that Jeffry H. Marcus, Ph.D., has been hired as Environmental Science Group Leader. In his role, Marcus will lead and provide environmental services to the firm’s various Market Sectors across the South region, including Transportation (Roads + Highways, Bridges, Aviation, Ports + Marine, Rail + Transit) and Water (Water Resources).

Joining TYLI with more than 35 years of experience in environmental assessment and regulatory permitting, Marcus has an impressive background in transportation-related environmental impact analysis as required by the National Environmental Policy Act (NEPA) and Federal Highway Administration (FHWA) regulations. His areas of expertise include freshwater and marine ecology, wetlands restoration and enhancement programs, and the preparation of environmental assessments and impact statements, particularly in subtropical and tropical habitats.

Throughout his career, Marcus has managed large, multi-task environmental contracts in permitting, mitigation, and compliance and is considered a Subject Matter Expert in NEPA and coastal wetland restoration. His past positions include significant roles at the Florida Department of Transportation (FDOT) District 6 and Miami-Dade County Division of Environmental Resources Management (DERM). His work in the private sector includes clients such as FDOT, municipalities throughout the state of Florida, and private developers.

Marcus has played a leading environmental role in complex road and bridge projects, marinas, and seawalls. In recent years, he has focused his efforts on sea-level rise impacts to coastal tropical ecosystems and designing living shorelines that demonstrate resilience to changing water levels and salinity regimes.

Marcus earned a Doctor of Philosophy in Freshwater Ecology from the University of Lancaster, England, and a Bachelor of Science in Biological Sciences from the University of Colorado. He conducted post-doctoral research on energy-related impacts to corals, mangroves, and seagrasses at Florida International University, which was sponsored by the Department of Energy.

Active in the environmental community, Marcus has served as President of the Florida Association of Environmental Professionals (FAEP). He has also presented at a wide range of environmental and engineering conferences nationwide.