Michael Josselyn, PhD, PWS
Principal, Senior Wetland Ecologist
Thomas Fraser, MS
President, Senior Plant Ecologist
Timothy DeGraff, MS, PWS
Senior Vice President, Senior Biologist
Aaron Arthur, MS
Scientist, Botanist
Amanda McCarthy, PhD, PWS
Senior Associate, Plant/Wetland Ecologist
Andrea Kloh, BA
Administrative Assistant
Ben Guillon, MA, DVM
Director, Mitigation Banking & Environmental Finance
Bianca Clarke, MS
Scientist, Biologist
Catherine Sherraden, MLA
Technician, Landscape Designer
Chris Zumwalt, BS, GISP
Scientist, GIS Manager
Dana Riggs, BS
Associate Principal, Senior Wildlife Biologist
Daniel Chase, BS
Scientist, Fisheries Biologist
Derek Chan, BA
Senior Technician, GIS Analyst
Douglas Spicher, MA
Principal, Senior Wetlands Ecologist
Geoff A. Smick, MA
Principal, Senior Ecologist
Geoff Reilly, BA
Senior Associate, Senior Environmental Planner
George Salvaggio, MLA, ASLA
Principal, Senior Landscape Architect & Restoration Biologist
Gwen Santos, MS
Technician, Ecologist
Ingrid Morken, MLA
Scientist, Landscape Architect
Jason Yakich, MS
Scientist, Wildlife Biologist
Jeanna Menze, MLA
Scientist, Landscape Architect
Joel Ruiz, BS
Accountant
Justin Derby, MESM
Scientist, Real Estate & Mitigation Specialist
Justin Semion, BS, PWS
Associate Principal, Aquatic Ecologist
Kate Allan, MS
Scientist, Wildlife & Wetland Scientist
Laura Steger, BA
Technician, Wildlife Biologist
Laura Thiel
Accountant III
Lauren Kerr, BS
Technician, Plant Ecologist
Leslie Lazarotti, MS
Associate, Biologist
Liston Witherill, MS
Director of Business Development & Marketing
Mark Brandi, BSLA, MDesS
Scientist, Landscape Architect & Ecologist
Mark Kalnins, MS
Scientist, Environmental Science & Compliance
Matt Osowski, BS
Associate, Biologist
Matthew Richmond, BS
Senior Associate, Senior Biologist
Megan Wilson Stromberg, MLA
Scientist, Landscape Architect
Michael Rochelle, BS, GISP
Scientist, GIS Analyst
Morgan Trieger, BS, ISA-Cert. Arborist
Scientist, Biologist
Nathan Bello, BS
Scientist, Conservation Biologist & Planner
Patricia Valcarcel, MS
Senior Technician, Wildlife Biologist
Perrine Portillo, BS
Accountant/Administrative Professional
Phil Greer, MA, PWS
Principal, Senior Biologist
Reuben Brandt, BS
Technician, Ecologist
Rob Schell, BS
Scientist, Wildlife Biologist
Sean Avent, BS
Scientist, Aquatic Ecologist
Sherry Maloney, BA
Principal, Chief Financial Officer
Spencer Badet, BS, PWS
Scientist, Biologist
Sundaran Gillespie, BA, GISP
Scientist, GIS Analyst & Biologist
Tanner Harris, MS
Scientist, Ecologist & Technical Editor
Tiffany Edwards, MEM
Technician, Plant Ecologist
Tyler Barns, MS
Scientist, Environmental Planner & Biologist