Staff
Mr. Walter Djordjevic, PE – President and Senior Consultant
Structural engineering and structural dynamics; seismic equipment qualification; seismic capability engineer for GIP experiential methodologies; modal testing; software development of weak-link valve analysis program; vibration engineering; IEEE 344, ASCE, ASME, IES code committee memberships and Chairmanships. Mr. Djordjevic received an MS from the Massachusetts Institute of Technology.
Mr. Stephen Anagnostis – Senior Consultant
Structural engineering and structural dynamics; seismic equipment qualification; seismic capability engineer for GIP experiential methodologies; modal testing; software development of GIP methodology program; vibration engineering; advanced finite element analysis of steel and concrete; author of numerous papers on structural behavior. Mr. Anagostis received an MS from the Massachusetts Institute of Technology.
Dr. T. M. Tseng – Senior Consultant
Structural engineering and structural dynamics; seismic equipment qualification; expert in soil-structure interaction (SSI) analysis; seismic capability engineer for GIP experiential methodologies; modal testing; software development of response spectra and response analysis software packages and SSI analysis program; vibration engineering; advanced nonlinear finite element analysis; author of numerous articles on structural dynamics. Dr. Tseng received a Ph.D from the Massachusetts Institute of Technology.
Mr. John O’Sullivan, PE – Senior Consultant
Structural engineering and structural dynamics; seismic equipment qualification; seismic capability engineer for GIP experiential methodologies; modal testing; software development; vibration engineering; advanced topics on concrete and steel structural design; design of microelectronics facilities worldwide. Mr. O'Sullivan received an MS from the Massachusetts Institute of Technology.
Mr. Timothy Adams – Cleveland Office Manager and Senior Consultant
Mechanical engineering and piping design; chairman of ASME Appendix N code subcommittee for seismic equipment qualification; consultant to PVRC and EPRI for piping performance during seismic events; seismic capability engineer for GIP experiential methodologies; modal testing; member main ASME Section III piping code committee; expert in ASME Code Class 1 piping and component design; authored numerous articles on behavior and design of nuclear plant piping. Mr. Adams received an MS from the University of Pittsburgh.
Mr. Philip Gazda, PE, SE – Chicago Office Manager and Senior Consultant
Structural engineering design; seismic equipment qualification; seismic capability engineer for GIP experiential methodologies; expert in concrete and steel design codes; retrofit modification design; component design; authored articles on steel and concrete design issues. Mr. Gazda received an MS from the University of Illlinois.
Dr. Keith Xu, PE – Project Manager
Structural engineering analysis and design; expert on steel and concrete design; nonlinear finite element evaluation of structures and substructures; structural evaluation for natural phenomena hazard assessments; authored articles on steel and concrete behavior. Dr. Xu received a Ph.D from the University of Illinois.
Mr. George Gary Thomas, PE
Structural engineering and structural dynamics; seismic equipment qualification; seismic capability engineer for GIP experiential methodologies; advanced structural analysis; nonlinear analysis; advanced finite element analysis; steel and concrete design. Mr. Thomas received an MS from Purdue University.
Mr. Gregory Ridder, PE – Minneapolis Office Manager and Senior Consultant
Structural engineering; seismic equipment qualification; seismic capability engineer for GIP experiential methodologies; power plant modifications including reactor head replacements for numerous nuclear plants. Mr. Ridder received a BS from the University of Nebraska.