OpenSHA was originally conceived by Ned Field and is a work in progress that keeps pace with new developments in seismic hazard assessment. Much of the initial work was performed by ISTI, under contract with SCEC. Over the years, numerous others (listed below) have contributed to the project in both advisory and technical capacities.

Primary developers:

Contributor Affiliation
Ned Field (Project Lead) USGS, Golden
Peter Powers USGS, Golden
Kevin Milner SCEC

Scientific and technical advisors:

Contributor Affiliation
Thomas Jordan SCEC
Philip Maechling SCEC
Allin Cornell Stanford Univ.
Paul Somerville URS Corp.
Norman Abrahamson PEER , UC Berkeley
Kenneth Campbell EQECAT

Contributors, past and present:

Contributor Affiliation
Marco Pagani GEM Foundation
Damiano Monelli GEM Foundation
Brendon Bradley Univ. of Canterbury, NZ
Jonathan Stewart PEER/UCLA
Christine Goulet PEER/UCLA, URS Corp.
Nitin Gupta SCEC
Vipin Gupta SCEC
Matthew Gerstenberger GNS Science (New Zealand)
Sid Hellman Instrumental Software Tech., Inc.
Steven Rock Instrumental Software Tech., Inc.