Who We Are
Our People
Solving complexity is our standard.
Whether making a seemingly impossible design a reality or solving a performance problem that has proven elusive, SGH brings clarity to complexity. Our teams deliver customized and reliable solutions for our client partners—advancing the meaning of what’s possible.
Our diverse staff—engineers, architects, scientists, and many other professionals—is led by seasoned principals, project managers, and thought leaders who seek to advance our industry while fostering our long-term client relationships.
Meet our leadership team.
James Parker
Chief Executive Officer
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Niklas Vigener
Chief Technical Officer
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Martin Mullins
Chief Financial Officer
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Vince Cammalleri
Head of Business Administration
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Emily Hopps
Building Technology Region Head, East
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Amy Hackney
Building Technology Region Head, West
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Aaron Lewis
Structural Engineering Region Head, East
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Jesse Beaver
Head of Engineering Mechanics and Infrastructure
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Meet our divisional leaders.
Benjamin Kosbab
Engineering Mechanics and Infrastructure Division Head, Atlanta
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Joshua Kivela
Building Technology Division Head, Waltham
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Susan Knack-Brown
Building Technology Division Head, Boston
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Greggrey Cohen
Structural Repair and Rehabilitation Division Head, Boston
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John Thomsen
New Structural Design Division Head, Boston
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Scott DiFiore
Heavy Civil Division Head, Boston
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Robert MacNeill
Structural Mechanics & Materials Division Head
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Peter Nardini
Water & Industrial Infrastructure Division Head
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Peter Babaian
Building Technology Division Head, Chicago
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Christopher Hewitt
Structural Engineering Division Head, Chicago
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Jeffrey Kerr
Building Technology Division Head, Washington, DC
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Emily Appelbaum
Structural Engineering Division Head, Washington, DC
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Dean Rutila
Building Technology Division Head, Houston, and Safety Director
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Kevin O'Connell
Structural Engineering Division Head, Southern California
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Sean O'Brien
Building Technology Division Head, New York
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Nathaniel Smith
Structural Engineering Division Head, New York
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Craig Allender
Building Technology Division Head, San Francisco Bay Area
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William Bruin
Structural Engineering Division Head, San Francisco Bay Area
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Frederic Grant
Engineering Mechanics and Infrastructure Division Head, Southern California
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David Jacoby
Engineering Mechanics and Infrastructure Division Head, Fire Engineering
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Meet our operational leaders.
Jenifer Brannen
Senior Director, General Counsel
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Alissa Brownson
Director of Human Resources
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Megan DeGuglielmo
Director of Talent Development
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Jeremy Kamm
Assistant Controller
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Benjamin Kusa
Director of Information Technology
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Norman Perkins
Director of Applied Science & Research
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Nicole Sparks
Director of Marketing
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