Jeffery Thelen, PG

Principal Hydrogeologist

“The well-being of the environment is a passion of mine and my job reflects that. I help prevent potential pollution and to help facilities stay in compliance with state and federal environmental regulations.”

Jeffery Thelen is a veteran professional geologist and project manager with over 30 years of experience in solid waste assessment and landfill operations, permitting, hazardous waste assessment, groundwater supply, and geotechnical work. He is the primary assessment specialist assigned to the most geologically complex projects.

Outside of Work

Outside of work Jeff likes to spend time with family and friends. Jeff’s hobbies include a pandemic inspired yoga and meditation practice, playing volleyball, hiking New England trails, camping out on the Cape each summer, and growing a large vegetable garden.