Timothy V. Adams, PG
Principal Hydrogeologist
Peter Alvey, PE
Vice President
Nancy Anglin, PE
Principal Engineer
Paul Armstrong, PE, LSRP
Principal Engineer
Andrew Baris, PG
Executive Vice President
Thomas Biolsi, PG, LG
Principal Geologist
Christopher Boron, PG
Principal Geologist
Catherine Boston, MPH, DABT
National Director of Human Health Risk Services
Kathleen Buxton, PG
Principal Geologist
Frank Cherena, PG, LEP
National Director of Real Estate Services
Deborah A. Chiavelli, PhD
Technical Director
Robert F. Chimchirian, PE, LSRP
Principal Engineer
Noelle M. Clarke, PE
Principal Engineer
Kelly Coulon, PE
Principal Engineer
Angela Liang Cutting, PhD, PE, QISP
Vice President
KariAnne Czajkowski, Certified Senior Ecologist
Principal Scientist
Matthew G. DeMaio, LSRP
Vice President of Operations
Jennifer W. DiJoseph, PE
Technical Director
David G. Dixon, PG
Principal Geologist
Justin Donlon, PE
Principal Engineer
Peter Downham, LSRP
Vice President
Joseph Duminuco, PG
Executive Vice President
Mark Elmendorf
Principal Scientist
Nathan Epler, PhD, PG, LEP
Principal Hydrogeologist
Mauricio H. Escobar, PG
Vice President
Thomas H. Forbes, PE
Vice President
Natalie Fox, CIH, CSP
Principal Scientist
Mikhail Fradkin, CIH, CSP
Senior Scientist I
Greg Gaines, JD
Technical Director
Chase Gerbig, PhD, PE
Principal Engineer
Scott Glash, PG
Principal Hydrogeologist
Michael Gonshor, PG, LSRP
Principal Hydrogeologist
Samantha Goode
Project Manager
Emily Goswami, MS, CIH
Technical Director
Joshua Graber, CHMM
Principal Scientist
Joanna Hall, SHRM-SCP, CCP
Human Resources Director
Martin J. Hamper, PG
Director
Meredith Harris, PE, LSRP
Principal Engineer
Michael J. Hillebrenner, PE
Vice President of Operations
Brian Hobbs, CIH, CSP
Corporate Health and Safety Director
Drew Howard, MEM
Managing Consultant
Peter R. Kelso
Principal, Economic & Complex Analytics
Wahid S. Khan, PE, LSRP
Principal Engineer
Brian Klaus, LSP
Senior Geologist I
Jay Klein, PG
Vice President
Robert Kovacs, PG, LSRP
Principal Scientist
Justin Kowalkoski, PG, LSRP
Principal Hydrogeologist
Wai Kwan, PhD, PE
Principal Engineer
Michael Lesakowski
Vice President
Adam H. Love, PhD
Vice President
Mary H. Macy
Chief Financial Officer
Michael Marsden, PG, CHg
Principal Hydrogeologist
Gregory D. Martin, PG, LSRP
Vice President
Paul Martorano, PE
Technical Director
Richard Maxwell
Principal Geologist
Bryan Mayback
Technical Director
Charles J. McGuckin, PE
Vice President
Monica McHugh, PG
Technical Director
Lawrence McTiernan, PG, LSP
Principal Hydrogeologist
Brian P. Morrissey, PE, BCEE
Principal Engineer
William S. Muñoz, PE, PG
Principal Engineer
Nancy Nevins, PG, LSP
Principal Geologist
Amy Elizabeth O’Connell
General Counsel
Thomas J. Patterson, PE
Principal Engineer
H. Patrick Penders
Principal Scientist
Christopher Proce, PG, CSP
National Director of Energy Services
Jaydeep Purandare, PE
Principal Engineer
Majda Rabah, PhD, PE, LSRP
Principal Engineer
Omar Ramotar, PE
Principal Engineer
Sara S. Redding, MS, PG, LSRP
Principal Hydrogeologist
Ian Reed
Vice President
Lori E. Riker, PE
Principal Engineer
Jon Rohrer, PG, CHg
Principal Hydrogeologist
Paul Roux
Founder
Michael Roux, PG
Director
Steven Sadiker
Executive Vice President
Marc C. Scarcella
Vice President
Sin Senh, PG
Chief Executive Officer
Mir SeyedAbbasi, PhD, PE
Technical Director
Jay M. Shipley, PE
National Director of Public Sector & Industrial Services
Dan Sihksnel, MBA
Managing Director of Business Development and Marketing
Kathryn Sommo, CPESC, ISA Arborist
Technical Director
Ryan Stifter, MS
Principal, Economic & Complex Analytics
Jessica Taylor, PG
Principal Hydrogeologist
Jerry J. Tolosko, PG, LSP
Vice President
Robert P. Trail, LSRP
Technical Director
George A. Tyers, PG
Principal Hydrogeologist
Anthony C. Ward, PG
Vice President
Edward J. Weagle, LSP, LEP, CHMM
Principal Geologist
Paul W. Werthman, PG
Technical Director
Bjorn Wespestad, PE
Principal Engineer
Jeff Wills, PG
Principal Geologist
Julia K. Wilson, PhD, PG, LPST CAPM
Principal Geologist
Andy Zdon, PG, CEG, CHG
Technical Director