41 Seyon Street
Building 1, Suite 500
Waltham, MA 02453

781.907.9000 Main
781.907.9009 Fax

Division Heads:
Paul Kelley
Structural Engineering
plkelley@sgh.com

Peter Nelson
Building Technology
penelson@sgh.com

Mehdi Zarghamee
Engineering Mechanics and Infrastructure
mszarghamee@sgh.com