Deborah A. Chiavelli, PhD

Timothy V. Adams, PG
Principal Hydrogeologist Peter Alvey, PE
Vice President Principal Engineer Paul Armstrong, PE, LSRP
Principal Engineer Andrew Baris, PG
Executive Vice President Principal Hydrogeologist Thomas Biolsi, PG, LG
Principal Geologist Catherine Boston, MPH, DABT
Principal Scientist Risk Assessor Thomas Buggey, PG, LSRP, LRS
Vice President Principal Hydrogeologist Frank Cherena, PG, LEP
Vice President Principal Geologist 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 Principal Engineer KariAnne Czajkowski, Certified Senior Ecologist
Principal Scientist Matthew G. DeMaio, LSRP
Vice President of Operations Principal Scientist Operations Manager Jennifer W. DiJoseph, PE
Technical Director David G. Dixon, PG
Principal Geologist Peter Downham, LSRP
Vice President Principal Scientist Joseph Duminuco, PG
Executive Vice President Principal Hydrogeologist Mark Elmendorf
Principal Scientist Nathan Epler, PhD, PG, LEP
Principal Hydrogeologist Mauricio H. Escobar, PG
Vice President Principal Geologist Natalie Fox, CIH, CSP
Principal Scientist Mikhail Fradkin, CIH, CSP
Senior Scientist I Industrial Hygienist Chase Gerbig, PhD, PE
Principal Engineer William Gilchrist, PG, LSRP
Principal Hydrogeologist 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 Principal Engineer Operations Manager Brian Hobbs, CIH, CSP
Corporate Health and Safety Director Principal Scientist Drew Howard, MEM
Managing Consultant Peter R. Kelso
Principal, Economic & Complex Analytics Wahid S. Khan, PE, LSRP
Principal Engineer Brian Klaus
Senior Geologist I Jay Klein, PG
Vice President Principal Geologist Kristen Knorn
Managing Consultant Robert Kovacs, PG, LSRP
Principal Scientist Justin Kowalkoski, PG, LSRP
Principal Hydrogeologist Yasemin Kunukcu, PhD, PE
Technical Director Wai Kwan, PhD, PE
Principal Engineer Adam H. Love, PhD
Vice President Principal Scientist Mary H. Macy
Chief Financial Officer Executive Vice President Michael Marsden, PG, CHg
Principal Hydrogeologist Gregory D. Martin, PG, LSRP
Vice President Principal Hydrogeologist Richard Maxwell
Principal Geologist Operations Manager Charles J. McGuckin, PE
Vice President Principal Engineer 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 Operations Manager Nancy Nevins, PG, LSP
Principal Geologist Operations Manager Amy Elizabeth O’Connell
General Counsel Thomas J. Patterson, PE
Principal Engineer H. Patrick Penders
Principal Scientist Christopher Proce, PG, CSP
Vice President Principal Hydrogeologist Jaydeep Purandare, PE
Principal Engineer Operations Manager Majda Rabah, PhD, PE, LSRP
Principal Engineer Omar Ramotar, PE
Principal Engineer Ian Reed
Vice President Principal Hydrogeologist Jon Rohrer, PG, CHg
Principal Hydrogeologist Paul Roux
Founder Michael Roux, PG
Director Principal Hydrogeologist Steven Sadiker
Executive Vice President Marc C. Scarcella
Vice President Principal, Economic & Complex Analytics Sin Senh, PG
Chief Executive Officer President Principal Hydrogeologist Mir SeyedAbbasi, PhD, PE
Technical Director Jay M. Shipley, PE
National Director of Public Sector Services Dan Sihksnel, MBA
Managing Director of Business Development and Marketing Kathryn Sommo, CPESC, ISA Arborist
Technical Director Biologist/Environmental Scientist Ryan Stifter, MS
Principal, Economic & Complex Analytics Jessica Taylor, PG
Principal Hydrogeologist Jerry J. Tolosko, PG, LSP
Vice President Principal Hydrogeologist Robert P. Trail, LSRP
Technical Director George A. Tyers, PG
Principal Hydrogeologist Anthony C. Ward, PG
Vice President Principal Geologist Edward J. Weagle, LSP, LEP, CHMM
Principal Geologist Craig A. Werle, PG
Principal Hydrogeologist Mitchell A. Wiest, PG, LEP
Principal Hydrogeologist Jeff Wills, PG
Principal Geologist Operations Manager Julia K. Wilson, PhD, PG, LPST CAPM
Principal Geologist Operations Manager Andy Zdon, PG, CEG, CHG
Technical Director

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