More than 40 years of experience in structural design, repair/rehab, investigation and research. Senior Principal Simpson Gumpetz & Heger Inc, in San Francisco.
- Chair ASCE 7 Standards Committee (2011-present)
- Member AISC Committee on Specifications, Connection Prequalification Review Panel
- Member SEI Board of Governors
-Past President, NCSEA, SEAOC, SEAONC, SECB
- Walter P. Moore Award, James Delahay Award, Norman Medal, Higgins Award