Filter our senior team by solution, expertise or office location.
Alan D. Pepin, P.E.
Waterfront Engineer / Diver
Alberto Pujol, P.E.
Senior Principal Engineer
Allan Blaske, P.G., CPG
Senior Project Geologist
Amber Ahles
Senior Project Manager
Andrew Adinolfi, P.E.
Project Engineer
Andrew Baxter, P.G., P.E.
Senior Project Manager
Anne King
Senior Biologist
Anne Leifer, P.G., LSP
Risk Manager
Asher H. Peltz, P.E.
Senior Project Manager
Ashley A. Ficke, Ph.D.
Fisheries Ecologist
Barry Giroux, P.E., LEP
Senior Project Manager
Barry Raus, P.G.
Senior Project Manager
Barry Scott, R.P.A.
Senior Archaeologist
Ben Lavon, P.E.
Vice President/Principal
Ben Sawa
Vice President and Director of Marketing
Bernhardt Hertlein
Senior Consultant
Bill Rettberg, P.E.
Vice President / Senior Principal Engineer
Bjorn Bjorkman
Senior Ecotoxicologist
Brad S. Belongia, P.E.
Structural Engineer
Brandon Fagan, P.G., LSP, QEP
Construction Management Practice Leader and Senior Consultant
Brandon Teel, P.E., R.G.
Senior Project Manager
Brian Majka
Senior Professional
Brian Mannino, P.E., CHMM
Project Manager
Brian T. Skelly
Environmental Scientist
Brooke Y. Bennett, PG, PMP
Senior Geologist
Bruce Coulombe, P.G.
Senior Project Manager/Senior Geologist
C. Todd Justice, P.E., PMP
Senior Project Manager / Geotechnical Engineer
Cameron Davis, J.D.
Vice President
Cary Tisch
Design Leader/Senior Consultant
Catherine Johnson, P.G., LSP
Project Manager
Chad Masching, P.E.
Senior Civil/Water Resources Engineer, Central Region
Chad R. Conti, P.G., LEED AP
Project Manager / Senior Geologist
Charles Brink, LEP
Senior Professional
Charles Grant, P.E., S.E.
Senior Project Manager
Chia Tan, Ph.D., P.E., D.GE, F.ASCE
Senior Consultant
Chris Ferrari, P.E., CFM
Senior Professional
Chris Petersen, P.G., C.Hg.
Senior Hydrogeologist
Christopher Abraham, P.E.
Project Manager
Christopher Bradley, P.E.
Vice President
Christopher Dailey, P.E., LSRP, LEED AP
Civil Engineer/Construction Services Manager
Christopher R. Pray, P.E.
Project Manager
Christopher Slack, P.G., C.E.G.
Senior Engineering Geologist
Christopher Smith, P.E.
Senior Engineer
Cindy Davis
Senior Regulatory Specialist/Senior Project Manager
Cory A. Miyamoto, P.E.
Project Engineer
Craig Hall, P.E., G.E.
Geotechnical Engineer
Craig Wolf
Senior Aquatic Ecologist/Limnologist
Dale Lane, P.E.
Senior Consultant
Daniel J. Bannon, P.E., CFM
Project Manager / Senior Engineer
Daniel Kopcow, P.E., P.M.P.
Senior Project Manager
Daniel Wanket, P.M.P.
Vice President and West Region Operations Manager
Daphne King, P.E.
Associate/Business Development Director
Darren D. Clark, P.E.
Project Manager
Darren Diehm, P.E.
Senior Professional
David Gutierrez, P.E., G.E.
Vice President and Civil Engineer
David H. Russian, P.E.
Senior Environmental Consultant
David Miller, Ph.D., P.E.
Principal Consultant
David Shields, P.E.
Senior Consultant
David Terry, P.G., LEP
Principal, Vice President
David Watson, P.E.
Senior Professional
Denise Jurich, R.P.A.
Senior Archaeologist
Desirée P. Mackey, P.E., S.E.
Design Technology Practice Leader
Don Conklin
Senior Project Manager
Donald Schilling
Project Manager
Donghai Wang, Ph.D., P.E.
Vice President
Drew Sutton, A.I.C.P.
Senior Environmental Planner
Edward Bradshaw
Senior Practice Leader
Enrico Rufini, P.E., P.G., C.E.G.
Senior Engineer
Eric Htain
Senior Environmental Scientist
Erica Bishop
Senior Water Resources Planner/Scientist
Errol Kitt
Vice President
Frances Schultz, P.G., LSRP
Senior Professional
Francine Dunn
Vice President, Senior Environmental Project Manager
Francis Leathers, P.E., F.ASCE, D.GE
Senior Consultant
George Meister
Project Manager
George Onorato, P.E.
Project Manager
Gillian Gregory, Ph.D., P.E.
Vice President and Senior Principal
Gillian M. Williams, P.E.
Geotechnical Engineer
Ginger G. Gillin
Vice President/Principal Environmental Scientist
Giovanni Bonita, Ph.D., P.E., P.G.
Senior Vice President
Graham Bradner, P.G., C.E.G., C.HG., P.M.P.
Senior Geologist
Hank Amen, P.E., CFM
Practice Leader, Water Resource Team Lead
Harold “Ted” Dunsford Jr., Ph.D.
Engineering Scientist
Helen D. Robinson, P.E.
Senior Engineer / Branch Manager
Ileen Gladstone, P.E., LSP, LEED AP
Senior Vice President
Ira Beer, P.E.
Vice President and Senior Professional
J. Michael Hawthorne, P.G., REM, CAPM
Principal/Vice President/NAPL Practice Group Leader
Jacobus Prins, D.Eng., P.E.
Senior Information System Professional
James Ash, P.E., LSP
Senior Vice President
James Christensen, P.E.
Geotechnical Engineer
James Nickerson, P.E.
Vice President/Branch Manager
James P. Bonner, P.E.
Senior Engineer
Jamey Stynchula, P.G., LSRP
Senior Project Manager
Jamie Laubenthal
Senior Program Manager
Jamie Matus, C.P.G.
Vice President and Branch Manager
Jason R. Hughey
Ecologist
Jeanne LeFebvre, P.E.
Geotechnical Project Manager
Jeffrey Bal, P.E.
Vice President/Senior Project Manager
Jeffrey Brown, P.G., C.E.G.
Senior Geologist
Jeffrey Holden, P.E., LSP, LEP
Senior Project Manager/Engineer
Jeffrey Twitchell, P.E.
Senior Consulting Engineer
Jeniffer S. Lynch
Aquatic Biologist
Jennifer Williamson Burt, Ph.D.
Senior Restoration Ecologist
Jeremy Deuto, P.E., P.G.
Geotechnical Engineer/Project Manager
Jesús Gómez, Ph.D., P.E., DGEP
Vice President
John K. Woodling, P.G., C.HG., C.E.G
Senior Consultant
John McGrane, P.E., CFM
Senior Professional
John Trast, P.E.
Senior Consultant
Jon C. Williams, PE
Environmental Engineer
Jonathan Goetz, P.E.
Senior Civil Engineer
Jonathan Perse, P.G., LSRP
Senior Environmental Consultant
Joseph Engels, P.E.
Vice President/Principal
Joseph Roman, LSP
Senior Project Manager
Joshua D. Zupan, Ph.D., P.E.
Senior Professional Engineer
Joshua H. Cole, P.E.
Senior Project Manager / Senior Geotechnical Engineer
Judy Eburn
Assistant Treasurer and Vice President of Finance
Julie Jennings Kale, SPHR, SHRM-SCP
Senior Vice President, People and Safety
Justin A. Dominguez, P.E.
Senior Geotechnical Engineer
Justin Zumbro, P.G.
Senior Geologist
Karen Stackpole
Senior Project Manager/Natural Resources Biologist
Karen T. Ford, P.E.
Senior Engineer
Kari A. Francis
Senior Professional
Kathleen Slimon, P.E.
Senior Engineer/Project Manager
Kathleen Stetser, P.G., LSRP
Vice President / Industrial Practice Leader
Katie Unke Ehrenberg
Senior Project Professional
Kelly Fitzgerald-Holland
Senior Wildlife Biologist & Regulatory Specialist
Kelly Rice, PWS
Senior Project Manager
Kelly Stanton
Controller
Kerri A. Price, P.E.
Water Resources Engineer
Kesha Chapman
Senior Ecological Restoration Specialist
Kevin A. Roell, P.E., PMP
Project Engineer / Project Manager
Kevin McCarty
Senior Practice Lead
Krista A. Wolfe, P.E.
Environmental Engineer
Kristopher Van Sant, P.E., PMP
Civil Engineer
Kwabena Asante, Ph.D., P.E.
Senior Hydrologist, Climate Science Lead
Kyle Bretl
Natural Resource Scientist
Larry Rodriguez
Vice President - Principal Water Resources Planner
Laura Conradi, P.E.
Senior Project Manager
Laura Schwanof, RLA
Senior Ecologist
Laureen M. Beintum, P.E.
Geotechnical Engineer
Laurence Welch, P.E.
Environmental Engineer
Lee Bergstedt
Fisheries Ecologist
Lee Wooten, P.E.
Principal/Vice President
Leo Winternitz
Senior Project Manager – Water Resources & Environmental Management
Leonard Sansone, P.E., G.E.
Principal Geotechnical Engineer
Leslie Lombardo, P.E.
Project Manager
Lisa A. Reyenga, P.E.
Senior Engineer
Lissa Robinson, P.E., C.G., M.C.P.D.
Senior Civil Engineer, Hydrologist, Geologist, Land Planner
Lynn Hermansen
Senior Restoration Ecologist
Mario Puerta, RA
Senior Architect
Mark E. Baker, P.E.
Senior Consultant
Mark Fortner, P.E., P.L.S.
Senior Consultant
Mark Freitas, P.E., G.E.
Senior Project Manager and Vice President
Mark Hargrove, P.E.
Senior Engineer
Mark Stoor, P.E.
Project Manager
Mark Vannieuwenhoven, P.E.
Project Manager
Mark W. Cowin, P.E.
Senior Consultant
Mark Westray
Senior Project Manager
Mark Williamson, P.E.
Vice President and Principal Engineer
Marwan Salameh, Ph.D., P.E.
Senior Project Manager
Mary C. Nodine, PE
Geotechnical Engineer
Matthew Drewek, P.E., Ph.D.
Structural Engineer
Matthew Emrick, P.E.
Project Manager
Matthew Glunt, P.E.
Senior Geotechnical Engineer
Matthew H. Weil, P.E., G.E.
Geotechnical Engineer
Matthew O’Neil, P.E.
Project Engineer
Matthew Powers, P.E.
Senior Engineer/Project Manager
Melissa J. Felter, P.G.
Geologist
Michael Carpenter, P.E.
Senior Project Engineer/Project Manager
Michael Conant, P.E.
Senior Engineer
Michael Cornelius, P.G.
Vice President and Principal Geologist
Michael D. Smith, Ph.D.
Senior Environmental Practice Leader – NEPA | CEQA | Environmental Compliance
Michael DeBraske, P.E.
Senior Project Engineer
Michael Gatzow, P.E.
Senior Vice President/Central Region Operations Manager
Michael Gentner, P.E.
Senior Professional
Michael Muganga
Senior Structural Engineer
Michael P. Salerno, LSRP
Senior Consultant
Michael Paster, P.E.
Senior Project Manager
Michael Ruetten, P.E.
Vice President
Michael T. Flynn
Project Manager
Michael W. Sabulis, LSP
Senior Project Manager
Michael Walker, P.E.
Vice President/Practice Leader
Michael Wheeler, P.E.
Senior Vice President/Senior Principal Engineer
Michael Yako, P.E.
Vice President / Principal
Michaele Monaghan, P.E., LEED AP
Civil Engineer
Michelle Ricker
Project Manager/Water Resources Specialist
Mike Mirmazaheri, P.E., C.F.M.
Senior Project Manager
Mutaz B. Mihyar, P.E.
Senior Engineer
Naser Bateni, P.E.
Senior Vice President
Natalie Y. Love
Lab Director
Nathan McNurlen, CHMM
Project Manager
Neil E. Carney, P.E.
Senior Professional
Nicholas Miller P.E., P.H.
Hydrology & Hydraulics Engineer
Nicholas Recchia, P.G.
Senior Hydrogeologist
Nicholas Tomera, JD
Senior Regulatory Specialist
Pablo Bruno, P.E., S.E.
Senior Structural Engineer
Patrick Chang, P.E., P.Eng.
Senior Professional
Patrick King, P.E., LSP
Vice President/East Operations Manager
Paul Blindauer
Vice President/Senior Consultant
Paul D. Drew, P.E., CFM
Hydrology & Hydraulics Engineer
Paul J. Eggers, P.E.
Civil Engineer / Engineering Division Manager
Paul Jansen
Senior Project Manager
Paul Killian, P.E.
Vice President/Senior Project Manager
Paul Landers, P.E.
Senior Project Manager
Paul M. Garvey
Senior Project Scientist
Paul V. Schatz, CPG
Geologist
Pericles Stivaros, Ph.D., P.E.
Vice President/Senior Consultant
Peter E. F. Buck
Senior Consultant – Natural Resources Planning and Ecosystem Restoration
Peter Ventin P. Eng.
Senior Program Manager / Vice President
Phil Dunn
Vice President, Senior Environmental Project Manager
Philip (P.J.) Snyder, P.E.
Civil Engineer
Rachel Hayden, P.E.
Vice President / Regional Growth Leader
Raymond Hart, P.E., G.E.
Vice President and Senior Consultant
Rebecca Roy
National Water Sector Marketing Lead
Richard A. Rhone, P.E.
Executive Engineer
Richard C. Anderson, P.E.
Civil Engineer
Richard D. Meyerhoff, Ph.D.
Water Quality Specialist
Richard Fasciani
Lead Environmental Scientist
Richard Frappa, P.G.
Senior Consultant/Hydrogeologist
Richard J. Anderson, P.E.
Vice President / Principal
Richard L. Price, P.E.
Senior Structural Engineer
Richard Sanchez, P.E.
Senior Project Manager
Richard Shatz, P.G., C.E.G., C.H.g.
Principal Hydrogeologist
Richard Tobin, P.E.
Senior Project Manager
Robert Acker, P.E., LEED AP
Senior Consultant / Vice President
Robert Blauvelt, P.G., LEP, LSRP
Senior Consultant
Robert Fill, CCM
Senior Construction Manager
Robert Gensemer, Ph.D.
Vice President & Senior Ecotoxicologist
Robert Lambe, Ph.D., P.G.
Vice President and Senior Practice Leader
Robin M. Stampbach, Ph.D., P.E.
Senior Project Manager
Rodney Fricke, P.G., C.E.G., C.H.G.
Senior Hydrogeologist
Roger Hathaway, P.E.
Vice President
Roger Putty, P.E., P.M.P.
Principal Water Resources Engineer
Ron Berry, P.E.
Senior Engineer
Ronald Bourne, P.E.
Vice President
Ronald Muller, P.E., P.M.P.
Senior Consultant
Ronald P. Palmieri, P.E.
President and Chief Executive Officer
Russell Titmuss, P.E., C.Eng MICE
Project Manager
Ryan Hoffman, P.G., LSP
Senior Project Manager
Ryan Jolley
Senior Environmental Project Manager
Ryan R. Holem
Senior Professional
Ryan S. Sheaffer, P.G.
Senior Geologist / Project Manager
Ryan Watson, P.E.
Senior Project Manager
Samuel Schaefer, P.E.
Senior Engineer
Sarah Norris, ISA Certified Arborist
Senior Regulatory Specialist, Biologist
Sarah Skigen-Caird
Ecology Division Manager/Senior Environmental Scientist
Saskia Oosting, P.G., LSP
Project Manager
Satya Gala, Ph.D., P.E.
Senior Water Resources Engineer
Scott Dierks, P.E.
Project Manager
Scott J. Wallington
Chief Development Officer
Scott M. Keating
Vice President and South Region Operations Manager
Sean DiBartolo, P.E., CFM, LEED AP
Project Manager/Senior Geotechnical Engineer
Sharon McSwieney, LSRP
Senior Consultant / Environmental Engineer
Soi (Charlie) Lay
Programmer
Sonja Atkins
Director, Learning & Organizational Development
Stephanie Hearn
Senior Water Quality Specialist/Permitting
Stephen G. Irving
Senior GIS Analyst
Stephen W. Verigin, P.E., G.E.
Senior Vice President/West Region Manager
Steven Canton
Vice President/Senior Principal
Steven Elver, P.E., S.E.
Senior Consultant
Steven Hawkins, CSP
Corporate Health and Safety Officer
Steven Nicoson, P.E.
Project Manager
Steven Rice, CWB
Senior Professional
Stuart Kogge, PWS
Senior Wetland/Aquatic Biologist
Susan Boyle
Senior Consultant
Suzanne Pargee
Senior Professional
Thomas A. Daigle, P.G.
Geologist
Thomas Kahl, P.E.
Chief Financial Officer
Thomas Keller, P.E., G.E.
Vice President/Senior Project Manager
Thomas Turpin, CPEA
Environmental Health & Safety Management Services, Practice Leader
Timothy Mattson
Senior Consultant
Todd Crampton, C.E.G.
Senior Engineering Geologist
Trent A. Kohl, P.E.
Senior Project Engineer
Vance Howard
Senior Restoration Ecologist
Varoujan Hagopian, P.E., F.ASCE
Senior Consultant/Coastal and Waterfront Engineer
Vasan Srinivasan, P.E.
Chief Operating Officer
William Bennett, P.E., G.E.
Vice President and Principal Engineer
William Butler, P.E.
Senior Geotechnical Engineer
William Walton, P.E., S.E., F.ASCE
Senior Vice President/Group Practice Leader/Geostructural Engineer
Yu Mei
Senior Programmer