Jay Klein, PG

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 Christopher Battista
Principal Scientist 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, WEDG
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 Jennifer W. DiJoseph, PE
Principal Engineer 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 Mauricio H. Escobar, PG
Vice President Jason B. Flagg, PE, CHMM
Technical Director Thomas H. Forbes, PE
Vice President Mikhail Fradkin, CIH, CSP
Senior Scientist I Jesse Freeman, PE, LSP
Senior Engineer II Jacqueline Fusco
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
Principal Scientist Joshua Graber, CHMM
Principal Scientist Rebecca Graustein, LSRP
Principal Scientist Joanna Hall, SHRM-SCP, CCP
Human Resources Director Martin J. Hamper, PG
Technical Director Michael J. Hillebrenner, PE
Vice President of Operations Brian Hobbs, CIH, CSP
Corporate Health and Safety Director Gary R. Horwitch, PE
Technical Director Drew Howard, MEM
Technical Director 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 Haley Kmetz, PG, LSRP
Principal Hydrogeologist Justin Kowalkoski, PG, LSRP
Principal Hydrogeologist Michael S. Kozar, PG, LSRP, LRS
Operations Manager Kimberly Lake, PG
Technical Director Michael Lesakowski
Vice President Adam H. Love, PhD
Vice President Joseph M. Luty, PE
Technical Director Mary H. Macy
Chief Financial Officer Gregory D. Martin, PG, LSRP
Executive 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 Joseph Midwig, PE, LSRP
Principal Engineer Nancy Nevins, PG, LSP
Principal Geologist Amy Elizabeth O’Connell
General Counsel Thomas J. Patterson, PE
Principal Engineer Christopher Proce, PG, CSP
National Director of Energy Services 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 Christopher Rose, PE
Principal Engineer Paul Roux
Founder Michael Roux, PG
Director 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
Technical Director Ryan Stifter, MS
Principal, Economic & Complex Analytics Jessica Taylor, PG
Principal Hydrogeologist Kirsteen Toro
Chief Operations Officer 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 Alex Wirth
Technical Director Andy Zdon, PG, CEG, CHG
Technical Director

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