Callie Ridolfi, P.E., LEED AP
Principal Engineer, Environmental (Emeritus)

Let’s build thriving, healthy, sustainable communities together.

Bruno A. Ridolfi, P.E.
Principal Engineer, Mining and Waste Management

I’m grateful to be working with great people and to make the world a better place for all people.

Tom Bowden, L.G.
Senior Geologist (Emeritus)

It’s gratifying to have challenging and interesting work while at the same time providing important services to our clients.

Bill Beckley, M.S.
Principal Scientist

We’re working with our partners to improve our understanding of the environment, make informed decisions and create a sustainable future.

Hung T. Dom
Business & Financial Manager

Providing good client service is one thing but exceeding our clients’ expectation is the ultimate goal.

Yana Kifle
Accountant

Jessica Winter-Stoltzman
Senior Environmental Scientist

Mathieu Piovesan, M.S.
SENIOR ENVIRONMENTAL SCIENTIST

Jess Vazquez, E.I.T
ENVIRONMENTAL ENGINEER

Lauren Ellebracht
Environmental Scientist

Demetrios Teodosiadis, E.I.T
Environmental Engineer