SEI SF Board of Directors

ChairEdward Thometz, PE

SEI SF Chair

Edward is an in-service bridge inspector for the California Department of Transportation.  Edward performs field structural investigations of the seven State-owned Toll Bridges in the San Francisco Bay Area, and is currently the Lead In-Service Bridge Inspector for the San Francisco-Oakland Bay Bridge East Span.  In the early parts of his career, Edward worked as a structural engineer for Skidmore Owings & Merrill (Los Angeles) and Obayahsi Corporation (Tokyo, Japan). Prior to joining Caltrans in 2008, Edward had shifted from structural engineering; working over a decade as a program manager for product application development at Liquid Software (Mountain View, CA) and Risk Management Solutions (Newark, CA).

In 2009 Edward received a Caltrans Superior Accomplishment Award for his performance during the San Francisco-Oakland Bay Bridge East Span Eye-bar repair. Edward is a licensed professional civil engineer (California), and holds certificates for Safety Inspection of In-Service Bridges; Fracture Critical Inspection Techniques for Steel Bridges; and Caltrans Rope Access and Fall Protection Trainer. Edward has a Master of Science in Civil/Structural Engineering from Stanford University, and a Bachelor of Science in Civil Engineering from CSU, Northridge.

Edward balances his passion for bridge inspection with a co-passion for cycling, running, and Japanese Language.

Vice-Chair: Phoebe Cheng, PE

SEI SF Vice Chair

Phoebe is a Principal Engineer and Project Manager at SC Solutions, an engineering consulting firm specializing in numerical modeling and performance evaluation of complex structural-geotechnical systems of major infrastructures subjected to extreme loads, in the transportation, nuclear, water, and oil & gas industries. Phoebe has 20 years of experience in structural design and earthquake engineering, with projects ranging from large buried reservoirs to standard and major bridges, tunnels, transit stations and wharf structures. Before joining SC Solutions, Phoebe was a structural engineer at AECOM, HDR and Parsons Brinckerhoff. She has a MS in Civil Engineering from Massachusetts Institute of Technology, and a BS in Civil Engineering from University of California, Berkeley.

SecretaryZhaoshuo Jiang, PhD, PE, LEED AP

SEI SF Secretary

Zhaoshuo is an Assistant Professor at San Francisco State University (SFSU) working on areas such as Smart Structures, Structural Control, Structural Health Monitoring, Real-time Hybrid Simulation and Innovative Engineering Education. Before joining SFSU as a faculty member, Zhaoshuo worked for Skidmore, Owings & Merrill (SOM) LLP after he graduated from the University of Connecticut. As a licensed professional engineer in the states of Connecticut and California, Zhaoshuo has been involved in the design of a variety of low-rise and high-rise projects, including office towers, retails, hotels, courthouses, and theatre according to the U.S. and international building codes. In addition to serving as the Secretary for the San Francisco Chapter of ASCE Structural Engineering Institute (SEI), Zhaoshuo is also a committee member of ASCE SEI Structural Control and Sensing Committee, ASCE Engineering Mechanics Institute (EMI) Dynamics Committee and ASCE EMI Structural Health Monitoring & Control Committee.

Marketing Director: Vladimir Calugaru, PhD

SEI SF Marketing Director

Vladimir is a Project Engineer at InfraTerra, a consulting firm based in San Francisco, specializing in seismic reliability assessment and seismic resistant design for large infrastructure projects, primarily water, gas, and electricity transmission systems. Before joining InfraTerra, Vladimir was at UC Berkeley busy with coursework and research on seismic isolation for his MS and PhD degrees. His PhD research focused on seismic isolation of tall buildings at near-fault sites, while his MS research involved shaking table testing of seismically-isolated liquid storage tanks. Vladimir’s undergraduate Alma Mater is the University of Illinois at Urbana‐Champaign. In addition to serving as the Marketing Director for the San Francisco Chapter of ASCE Structural Engineering Institute (SEI), Vladimir is also a Co-Chair for the SEAONC Disaster Emergency Services (DES) committee.

Technical Director: Brian Kehoe, PE, SE

SEI SF Technical Committee 1

Brian Kehoe is a Structural Engineer with Wiss, Janney, Elstner Associates, Inc., (WJE) and has been with WJE for more than 30 years. He has a BS degree in Civil Engineering from Northwestern University and a MS degree in Civil Engineering from the University of California, Berkeley. He is a licensed Civil and Structural Engineer in California and a licensed Structural Engineer in Oregon, Utah, and Hawaii. Mr. Kehoe is active in a number of professional organizations including ASCE, ACI, and EERI. He is a Fellow of ASCE and is a member of the steering committee for the ASCE Standards Committee on Seismic Rehabilitation of Existing Buildings that developed ASCE 41-13. He has also participated in the update of seismic provisions of ASCE 7-16.

Mr. Kehoe is experienced in investigating and designing repairs for structures that have been impacted by or have deteriorated as a result of other catastrophes such as fires, corrosion, wood decay, or cracking. He has assessed structural damage to buildings in the United States and abroad after major earthquakes and has designed repairs for buildings constructed of unreinforced masonry, wood, concrete, and steel. Mr. Kehoe participated in several research projects for ATC including the ATC-43 project for the development of guidelines for evaluation and repair of earthquake damage to concrete and masonry wall buildings, which produced FEMA 306, 307, and 308, and the ATC 71 project to update the guidelines for Rapid Visual Screening of Buildings (FEMA P-154 and P-155). He was a member of the ASCE/SEI reconnaissance teams that visited Christchurch following the 2010 and 2011 earthquakes.

Technical Director: Herbert Birthelmer, PE

SEI SF Technical Committee 2

Herbert runs a small engineering firm, specializing in structural engineering and design for residential and commercial projects. The projects range from building and building additions, seismic retrofits over commercial tenant improvements to steel and concrete structures for manufacturing plants. He holds a master degree in civil engineering from Norwich University in Vermont, and a Dipl.-Ing. degree in electrical engineering from the University of Applied Sciences in Esslingen, Germany. He is a registered Civil Engineer in California and member of ASCE, AISC, ACI, NFPA and ICC. His goal as technical committee member is to facilitate technical information exchange and educational sessions for members and other interested parties.

Treasurer: Mark Bird, PE

Mark Bird is a structural engineer specializing in curtainwall and cladding systems for commercial buildings.  Mark has a Bachelor’s degree (1993) and a Master’s Degree (1998) in Civil Engineering from Texas Tech University.  Mark began his career in Dallas, Texas with Design Engineering and Consulting (DEC) where he worked as a design engineer for nine years.  During that time he worked on several projects in Hong Kong, Beijing and Manila that required him to work overseas for a year.  Mark has extensive experience with high-rise commercial buildings in high wind and high seismic regions.  In 2004 Mark started his own consulting firm, Wesley Engineering Group, Inc. in San Antonio, Texas.  In 2013 he added an office in Walnut Creek and relocated to California.  Mark is a member of ASCE, the Glass Association of North America (GANA) and SEAOC.

Webmaster: Ian Prowell, PhD, PE

SEI SF Webmaster

Ian is a member of the civil engineering group at DNV GL and has been active in wind energy for nearly a decade.  His expertise spans both onshore and offshore wind.  He has contributed to fundamental research pertinent to technical challenges facing the development of offshore wind energy for both fixed base and floating turbines. He is also active in onshore wind with extensive experience in evaluating the implications of seismic loading on turbines.  In addition to research, he has practical experience in construction oversight, independent review, forensics, and litigation.  His work has informed national and international standards for both onshore and offshore wind.  Beyond wind energy, he has worked in structural engineering for other offshore structures as well as buildings. He completed his BS at Harvey Mudd College and both his MS and PhD degrees were completed at the University of California, San Diego.

Inter-Organization Director: Anna Teplitskaya, PE

SF SEI Inter-Organization Director

Anna is a Design Engineer at FTF Engineering, Inc., specializing in Soft Story retrofit projects, high-end residential additions and expansions, and commercial space tenant improvements. Before joining FTF Engineering, she worked for DeSimone Consulting Engineers where she created 3-D models for a diverse assortment of structures ranging from high-rise in Las Vegas and a large suburban development in South Dhahran in Abu Dhabi. Anna has a Bachelor’s degree in Civil Engineering from CSU, Northridge and a Master’s Degree in Structural Engineering from Stanford University. Her goal as Inter-Organization Director is to facilitate a close working relationship between professional engineering organizations. Anna is a member of Tau Beta Pi and SEAOC.

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