For more than 55 years, GZA has thrived by helping our clients meet the challenges presented by the times.
Because GZA's experts are trained across disciplines, clients benefit from the knowledge and experience of all of our staff, and resources are in-house and available for every project at any time. With the ability to manage unpredictability, remain nimble, and mobilize quickly, GZA responds to client inquiries with urgency, sensitivity, knowledge and value, while remaining mindful of project costs and schedule. Excelling as a multi-disciplinary, multi-office firm of proactive, bright, and dedicated people, we provide value to our clients and our profession.
GZA’s Executive Team is comprised of leaders with a broad knowledge of the engineering and science consulting industry. Most of our leadership maintains an active consulting practice and has a broad understanding of GZA’s technical practice areas.
![](/sites/default/files/styles/headshot/public/2019-09/IMG_4054v3_35x5_0.jpg?itok=MfL0VSkX)
Patrick Sheehan, P.E.
![John C. Murphy John C. Murphy](/sites/default/files/styles/headshot/public/2019-10/john-c-murphy_0.png?itok=Ceh4mmoB)
John Murphy, CCM, CHMM
![Associate Principal Associate Principal](/sites/default/files/styles/headshot/public/2019-09/Angela_Cincotta%20smaller2.jpg?itok=O4Lw2_-X)
Angela Cincotta
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Richard Ecord, CIH, CSP
![](/sites/default/files/styles/headshot/public/2022-04/Enda_Revised.png?itok=DzvzYQwg)
Enda Fahey, CPA, FCA
![](/sites/default/files/styles/headshot/public/2022-06/Malagrifa%2C%20Paul%2012-Crop.jpg?itok=E3H0qSRO)
Paul J. Malagrifa, P.E.
![](/sites/default/files/styles/headshot/public/2022-05/Mary_Hall_Final.png?itok=NjbZOwxW)
Mary Hall, P.E.
![James J. Clark, P.E., LEP James J. Clark, P.E., LEP](/sites/default/files/styles/headshot/public/2019-10/james-j-clark.png?itok=otuBdSya)
James Clark, P.E., LEP
![Russell J. Morgan, P.E. Russell J. Morgan, P.E.](/sites/default/files/styles/headshot/public/2019-10/russell-j-morgan.png?itok=OaPMzdak)
Russell Morgan, P.E.
![John C. Osborne, PG John C. Osborne, PG](/sites/default/files/styles/headshot/public/2019-10/John-C-Osborne.png?itok=ZxH6ERYe)
John Osborne, P.G.
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Douglas Roy, P.E.
![](/sites/default/files/styles/headshot/public/2023-09/Murphy%2C%20Kathleen.jpg?itok=1D-ylIdR)
Kathleen Murphy, PHR, SHRM-CP
GZA’s Market Leaders have extensive experience in each of their key markets and are highly effective in engaging the broad resources needed to solve our clients' technical challenges.
![Anders B. Bjarngard](/sites/default/files/styles/headshot/public/2019-09/Bjarngard%2C%20Anders%20%282%29.jpg?itok=hiXXzuBr)
Anders Bjarngard, P.E.
![Kenneth D. Boivin, CHMM Kenneth D. Boivin, CHMM](/sites/default/files/styles/headshot/public/2019-10/Kenneth-D-Boivin.png?itok=Bx-Gyidt)
Kenneth Boivin, CHMM
![](/sites/default/files/styles/headshot/public/2019-09/Feldman.jpg?itok=Sm8tykMU)
Lawrence Feldman, Ph.D.
![Stephen Kline, P.E.](/sites/default/files/styles/headshot/public/2021-09/Kline_Steve%20square.jpg?itok=u4q-jY2p)
Stephen Kline, P.E.
![Marc Hudock Marc Hudock](/sites/default/files/styles/headshot/public/2019-10/marc-hudock.png?itok=Yr9J6TI7)
Marc Hudock, LSRP
![Gary McAllister, P.E.](/sites/default/files/styles/headshot/public/2023-03/Gary_McAllister_New.png?itok=PUx8XV0g)
Gary McAllister, P.E.
![Bob Polermo Bob Polermo](/sites/default/files/styles/headshot/public/2019-10/bob-polermo.png?itok=OcxR_FTP)
Robert Palermo, P.E.
![James M. Emery, PG James M. Emery, PG](/sites/default/files/styles/headshot/public/2019-10/james-emery.png?itok=hrNllgL-)
James Emery, P.G.
GZA’s Service Leaders have deep knowledge of their practice areas and lead cross-company staff to solve our clients' technical challenges.
![Tracy Tarr](/sites/default/files/styles/headshot/public/2023-06/Tracey_Tarr.png?itok=kqaWR7U3)
Tracy Tarr
![Terese M. Kwiatkowski Terese M. Kwiatkowski](/sites/default/files/styles/headshot/public/2019-10/Terese-M-Kwiatkowski.png?itok=q6x5ZYH3)
Terese Kwiatkowski, P.E.
![](/sites/default/files/styles/headshot/public/2019-10/Steve%20Raymond%20photo%20%282%29.jpg?itok=QRUgBqL1)
Stephen Raymond
![Michael M. Shaw Michael M. Shaw](/sites/default/files/styles/headshot/public/2019-09/Shaw%2C%20Mike.jpg?itok=MNYigKUw)
Michael Shaw
![](/sites/default/files/styles/headshot/public/2023-04/Todd_Green.png?itok=kkVme-7d)
Todd Greene
![James J. Clark, P.E., LEP James J. Clark, P.E., LEP](/sites/default/files/styles/headshot/public/2019-10/james-j-clark.png?itok=otuBdSya)
James Clark, P.E., LEP
![Dino D. Fiscaletti, P.E. Dino D. Fiscaletti, P.E.](/sites/default/files/styles/headshot/public/2019-10/fiscaletti.png?itok=U1ElBpDv)
Dino Fiscaletti, P.E.
![Chad W. Cox, P.E. Chad W. Cox, P.E.](/sites/default/files/styles/headshot/public/2019-10/chad-cox.png?itok=Dh43ZTJs)
Chad Cox, P.E.
![Matthew A. Taylor Matthew A. Taylor](/sites/default/files/styles/headshot/public/2019-10/matthew-a-taylor.png?itok=uoMUwhgo)
Matthew Taylor, P.E.
![Kenneth D. Boivin, CHMM Kenneth D. Boivin, CHMM](/sites/default/files/styles/headshot/public/2019-10/Kenneth-D-Boivin.png?itok=Bx-Gyidt)
Kenneth Boivin, CHMM
![](/sites/default/files/styles/headshot/public/2023-12/Tom_Klotz_2022.png?itok=iG1gd8uT)
Thomas Klotz
![](/sites/default/files/styles/headshot/public/2022-05/Roberts%2C%20Brad%2004.jpg?itok=8CCzf4PY)
Bradford Roberts, P.E.
![](/sites/default/files/styles/headshot/public/2023-06/Kevin_Williams.png?itok=Lnbn2Lr-)
Kevin Williams, AICP, PP
![](/sites/default/files/styles/headshot/public/2023-06/David_M_Leone.png?itok=7aAFgAfH)
David M. Leone
![](/sites/default/files/styles/headshot/public/2023-04/Jeff_Rowell.png?itok=zAuUegdK)
Jeffrey Rowell
![](/sites/default/files/styles/headshot/public/2023-06/Sarah_Wright.png?itok=U1GhY2p0)
Sarah Wright
GZA’s Board of Directors is comprised of principal-owners, most of whom have over 20 years’ experience in the engineering and science consulting industry, and outside advisors who contribute additional expertise in one or more business or practice areas.
![](/sites/default/files/styles/headshot/public/2022-07/Scott_Murray.png?itok=Pa16C3sh)
Scott Murray
![Anders B. Bjarngard](/sites/default/files/styles/headshot/public/2019-09/Bjarngard%2C%20Anders%20%282%29.jpg?itok=hiXXzuBr)
Anders Bjarngard, P.E.
![](/sites/default/files/styles/headshot/public/2019-09/IMG_4054v3_35x5_0.jpg?itok=MfL0VSkX)
Patrick Sheehan, P.E.
Margaret Panatera, P.E.
![](/sites/default/files/styles/headshot/public/2024-03/Christy_Barlow_New.jpg?itok=QIL6b_9X)
Christy Barlow
![Adam Henry, PG, LEP Adam Henry, PG, LEP](/sites/default/files/styles/headshot/public/2019-10/adam-henry.png?itok=4uHjeqF9)
Adam Henry, P.G., LEP
![Terese M. Kwiatkowski Terese M. Kwiatkowski](/sites/default/files/styles/headshot/public/2019-10/Terese-M-Kwiatkowski.png?itok=q6x5ZYH3)
Terese Kwiatkowski, P.E.
![](/sites/default/files/styles/headshot/public/2023-06/Patrick_Mahon.png?itok=nFQbydZE)
Patrick Mahon
![](/sites/default/files/styles/headshot/public/2022-06/Westra%2C%20Mark%20-%208536After%20the%20Rain002.jpg?itok=o4ILwY4x)
Mark Westra
![Deborah M. Zarta Gier, CNRP Deborah M. Zarta Gier, CNRP](/sites/default/files/styles/headshot/public/2019-09/ZartaGier_Deborah.png?itok=zG_qQGEp)