Current Members

Tilly Chang serves as Executive Director of the San Francisco County Transportation Authority. The Transportation Authority's mission is to make travel safer, healthier, and easier for all. The agency plans, funds, and delivers transportation projects to improve travel choices for residents, commuters, and visitors throughout San Francisco.

Ms. Chang oversees the Transportation Authority's administration of San Francisco’s half-cent transportation sales tax and other voter-approved funding programs. She also leads the agency's congestion management functions, including developing the San Francisco Transportation Plan, which is the blueprint for citywide transportation policy and investment.

Mr. Kevin Cheng is a Product Strategist/Product Manager at PlanGrid, Inc., a cloud-based, mobile construction productivity app/software technology company based in San Francisco, CA. He brings to PlanGrid over 13 years of construction knowledge and experience from numerous markets including, Advanced Technology, Biotechnology & Life Sciences, Corporate/Commercial, Manufacturing, Education, Healthcare and Housing/Mixed Use. He also serves as the Practitioner Adviser for UC Berkeley's CEE Honor Society, Chi Epsilon. He is passionate about technology and innovation and is fostering these to bring change in the way we build and manage in construction.

Dr. Rula Deeb is a Senior Principal at Geosyntec Consultants (Oakland, CA). She has over 25 years of experience in private practice and academia addressing the cross-media fate and transport of contaminants and the remediation of complex soil and groundwater sites. She served as a member of U.S. Environmental Protection Agency’s Science Advisory Board Environmental Engineering Committee between 2016 and 2019. She is the recipient of the 2008 Berkeley Engineering Innovation Young Outstanding Leader Award, the 2010 Industry Recognition Award for outstanding contribution as a member of the Interstate Technology and Regulatory Council’s Remediation Risk Management team, and the 2019 Association for Women Geoscientists President’s Award. Rula received her doctorate in Civil and Environmental Engineering from UC Berkeley and was recently inducted into Berkeley’s Civil and Environmental Engineering Academy of Distinguished Alumni in 2019.

Mr. Disney is the founder and CEO of Disney Construction Inc., an Engineering Construction firm primarily focused on complex heavy civil construction projects which require a higher level of creativity, engineering and insight. Our construction strategy is designed around teaming up early with each project's Owner, creating a collaborative environment that fosters creative and efficient solutions to every aspect of the construction process. Disney Construction has received numerous awards recently including APWA’s Contractor of the Year 2014, AGC Build Award 2015, and Caltrans Excellence in Partnering 2016.

Since 1992, Mr. Eliahu has led ENGEO to become a preeminent provider of geotechnical and environmental engineering in California and New Zealand. He provides expertise for complex projects and has won multiple awards, including the ASCE SF Chapter’s Engineer of the Year Award in the Private Sector in 2009. He is a Founding Director and current President of the California Association of Geologic Hazard Abatement Districts (GHAD).

Mr. Friedman is the immediate past President and CEO of Forell/Elsesser Engineers, and current Board chair. He has served as Project Principal on a variety of new design and retrofit projects including community and civic facilities, university complexes, research laboratories, and transportation facilities. Currently, he serves as the lead engineer on the seismic retrofit of California Memorial Stadium. He also serves as a trustee of the UC Berkeley Foundation.

Ellen Greenberg leads Caltrans' work in advancing zero emission vehicles, reducing vehicle miles traveled, and progressing toward transportation equity. She has over 30 years’ experience working with cities, transportation agencies and non-governmental organizations to guide transportation, development, and conservation decisions. Prior to joining Caltrans, Ellen was a Principal at Arup, working in SF and London on major urban planning and infrastructure projects. Ellen is a Fellow of the American Institute of Certified Planners.

Ms. Leal focuses on the delivery of potable water and treatment of wastewater as challenged by climate change and the increasing population. She has served on the San Francisco Board of Supervisors, served as Treasurer of the City and County of San Francisco, and was the General Manager of the San Francisco Public Utilities Commission. She is co-author of Running out of Water: The Looming Crisis and Solutions to Conserve Our Most Precious Resource.

Philip is a three-time technology entrepreneur with several patents focusing on technologies involving Building Information Modeling, Reality Capture, and Artificial Intelligence. His software has been used to helped construct more efficiently over 32,000 projects around the world. He is also an angel investor of early-stage startups that have a focus on AI and data. Philip has served as the Chair of Laser Scanning for the American Concrete Institute and a technical lead for the American Society of Testing and Materials, where he introduced new inspection methodologies. Philip has also served as Vice Chair for the US Institute of Building Documentation, where he helped write new standards for the capture of imagery and data exchange.

Dr. Love holds a Bachelor of Arts degree in Geosciences from Franklin & Marshall College (1996), a Master of Science degree from the University of California at Berkeley in Material Science and Mineral Engineering (1998), and a Doctor of Philosophy degree from the University of California at Berkeley in Civil and Environmental Engineering (2002). He directs Roux’s Risk Management and Litigation Services while providing forensic litigation support and expert witness services to clients throughout the United States on environmental litigation, environmental insurance coverage, product liability, and toxic tort-related matters. Dr. Love’s experience includes strategic and technical analysis and guidance spanning numerous complex groundwater, soil, sediment, soil vapor, and air-contaminated sites, including assessments of human health and ecological risk. He has also provided technical analyses related to public policy for state legislative actions and federal advisory panels on a range of proposed environmental laws, regulations, and policy implementation.

Dr. Love’s expertise has been developed through a unique variety of university, municipal, and private-party technical consulting work. His capabilities often utilize the use of advanced models and analytic methods to understand and interpret chemical characterization, transport, and fate for a range of potential exposure scenarios. By employing multiple lines of scientific evidence, when available, analyses that couple field measurements, fate and transport calculations, and historical operations/documents provide the bases for opinions and results that are both technically credible and internally consistent.

Ms. Maclise has worked on new construction projects and retrofits that include multi-family housing, laboratories, and athletic facilities. Possessing exceptional knowledge and passion on the subject of sustainable design, she has lectured and written numerous papers about the structural engineer’s role in sustainable design. She was recently named an EERI Housner Fellow. While a student at Berkeley, she competed at the varsity level in Track & Field, NCAA Division 1.

Ms. Maffei is the Chief Mitigation Officer of the California Earthquake Authority. She has worked in the earthquake engineering industry for over 30 years, both in the design of new structures and in the seismic strengthening of existing structures. Ms. Maffei is past-president of the Northern California Chapter of the Earthquake Engineering Research Institute, EERI. She also serves on the Board of Directors of EERI National.

Mr. Malley has over 30 years of experience in the seismic design, evaluation and rehabilitation of building structures, and is involved in the peer review of numerous tall building projects. He was responsible for the analytical and testing investigations performed as part of the SAC Steel Project in response to the Northridge earthquake damage.