Dr. Cris Liban

Dr. Cris Liban

Chief Sustainability Officer, Los Angeles County Metropolitan Transportation Authority

Dr. Cris B. Liban, P.E., serves as Chief Sustainability Officer at the Los Angeles County Metropolitan Transportation Authority (LA Metro). Dr. Liban has worked at LA Metro since 2003 and has grown his agency’s environmental and sustainability practice into one of the most progressive and forward-looking in the country, implementing over 150 sustainability initiatives to date. He is working to ensure that $140B in capital projects that are programmed for the next 40 years are sustainable, climate-adapted, and resilient for the more than 10 million people of Los Angeles County. Many of these are to be completed in time for the 2028 Olympics.  

He holds concurrent appointments in the State of California Green Bonds Development Committee, Los Angeles County Beach Commission, and the City of Los Angeles Board of Transportation Commissioners. He is currently the Chapter Lead in writing the Transportation Chapter of the forthcoming Fifth National Climate Assessment. He held previous political appointments as a member of the USEPA’s National Advisory Council for Environmental Policy and Technology and the California Climate Safe Infrastructure Working Group.

Cris is the Chair of the American Society of Civil Engineers’ Committee on Sustainability where he is leading the effort to develop a global sustainable infrastructure standard; and guidance documents that incorporate climate science into both the practice of civil engineering and procurement and execution of sustainable infrastructures. He is currently the Co-Chair of the American Public Transportation Association's Sustainability Commitment Committee. He conceptualized and co-led the formation of the International Coalition for Sustainable infrastructure in 2019, which now has become a global coalition of almost 200,000 engineers and more than 10,000 cities around the world.  

Cris previously received in 2016 the Philippines’ highest civilian honor for Filipinos living overseas, the Pamana ng Pilipino Award, from Philippines President Rodrigo Duterte. In addition, because of his singular focus on building a sustainable transportation system that is also economically and socially beneficial to all levels of society, Cris was awarded the Engineering-News Record's (ENR) 2020 Award of Excellence. Cris was elected to the National Academy of Construction in 2021.

Dr. Liban has degrees in geology, civil engineering, and environmental science and engineering.