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About Us


Roshini Das is the Sustainability Program Manager for the City of Sacramento Department of Utilities. In this role, she oversees the long-range planning and development of policies, initiatives, projects and programs that promote sustainability, environmental justice, water conservation, energy efficiency, resiliency and adaption to climate change of Utilities facilities and operations.Roshini started out as an Architect who designed residences and restaurants in Virginia to managing multi-million-dollar dormitories and school projects for native American tribes in New Mexico and Arizona. Along the way, she fell in love with the sustainability movement and made a switch from an architect to a sustainability professional. Over the years, she worked with various public and private organizations helping them manage their portfolio’s sustainability initiatives, developing policies and corporate sustainability strategy and benchmarking/reporting on the ESG (Environmental, Social and Governance) performance. Roshini has an MBA from UC Berkeley, is a LEED Accredited Professional in New Construction and Operations and Maintenance as well as a Certified Energy Manager.

Roshini Das Profile Pic


Sam Leu is the Sustainability Analyst for the City of Sacramento Department of Utilities. Sam started in civil engineering working in land development and stormwater design projects overseas and in Colorado, before rediscovering his passion for the environment and the growing sustainability industry. He is a LEED Accredited Professional and WELL Accredited Professional, with a B.S. in Civil Engineering from Penn State University, M.S. in Sustainable Practice from Lipscomb University, and a Graduate Certificate in Corporate Sustainability & Innovation from Harvard University. He has also worked in different careers, from hotel hospitality to engineering to project management. In his spare time, Sam enjoys swimming, speaking (or pretending to speak) different languages, and watching college football. He also loves traveling and hopes to complete his goal of visiting all 50 states soon.


Sam Leu Profile Pic


Thanks to the CivicSpark Fellows who have helped us build capacity with various initiatives!

Erika Trinidad (served from 2018 to 2020)

Emma Diamond (served from 2019 to 2020)