Mr. Gemmill has extensive experience in the analysis, design, and construction of a wide variety of large-scale projects, including tall buildings, university facilities, laboratories, hospitals, seismic retrofit, adaptive reuse, residential buildings, and large-scale commercial development.  He is also a specialist in applying state-of-the-art technologies--such as passive energy dissipation and base isolation--to building structures in the context of performance based seismic design. Mr. Gemmill plays a prominent technical role for NYA and manages NYA’s San Francisco office.

- M.S., Structural Engineering, Mechanics and Materials, University of California, Berkeley

- B.S., Civil Engineering, University of Maryland at College Park, Cum Laude

New Stanford Hospital

UCLA California Nanosystems Institute

UCSF Health Helen Diller Hospital

UCSF Ray and Dagmar Dolby Regeneration Medicine Building

UCSF Hellen Diller Cancer Research Building

Apple Park

Westfield San Francisco Centre

Vallco Town Center

Presidio Landmark 

50 United Nations Plaza Retrofit

CommuniCare Health Clinic

Genentech Headquarters

- UCSF Regeneration Medicine Building, SEAONC Dinner Presentation, San Francisco, CA, February 2011.

- Emporium Redevelopment – Westfield San Francisco Centre, SEAONC Dinner Presentation, San Francisco, CA, August 2006.

- Design of a New Steel Moment Frame Building Incorporating Viscous Dampers Following the Guidelines of the 1999 SEAOC Blue Book, Applied Technology Council Convention, ATC17-2, Los Angeles, CA, May 2002.

- Virtual Base Isolation by Building Softening with Drift Control Provided by Fluid Viscous Dampers, Seventh U.S. National Conference on Earthquake Engineering, Boston, MA, July 2002.

- Structural Engineers Association of Northern California

- SEAONC Board of Directors (2011-13)

- Earthquake Engineering Research Institute

- American Society of Civil Engineers

- Applied Technology Council

- Licensed Structural Engineer – California

- Licensed Civil Engineer – California

- Structural Engineer’s Association of California Seismic Design Manual #5 – Examples of Seismically Isolated Buildings and Buildings with Dampers, SEAOC, 2013

- Recommended Administrative Bulletin on the Seismic Design and Review of Tall Buildings Using Non-Prescriptive Procedures, prepared for City of San Francisco Department of Building Inspection, SEAONC AB-083 Task Group, April 2007.

- Virtual Base Isolation by Building Softening with Drift Control Provided by Fluid Viscous Dampers, Proceedings of the Seventh U.S. National Conference on Earthquake Engineering, EERI, Boston, MA, 2002.

- Retrofit of a Metropolitan Midrise to Improve Torsional Response Using Nonlinear Fluid Viscous Dampers, Proceedings of the Seventh U.S. National Conference on Earthquake Engineering, EERI, Boston, MA, 2002.

- Design of a New Steel Moment Frame Building Incorporating Viscous Dampers Following the Guidelines of the 1999 SEAOC Blue Book, Proceedings of the Seminar on Response Modification Technologies for Performance-Based Seismic Design, ATC 17-2, Los Angeles, CA, 2002.