ROSHINI DAS, LEED AP BD+C, O+M, Certified Energy Manager

Roshini is an award-winning sustainability professional who brings over eighteen years of experience in environmental strategy, emissions reduction, and resource conservation. Her work across diverse sectors, including government, utilities and global corporations, reflects her deep technical expertise and a strategic understanding of the challenges and opportunities within sustainability and regulatory compliance. As Associate Director at Guidehouse Inc., she leads multi-disciplinary consulting engagements that help global clients design and implement impactful sustainability strategies. Previously, Roshini managed the City of Sacramento Utilities’ sustainability and water conservation programs, where she championed the first Carbon Neutrality policy for the water utility, aligned and enhanced the city’s climate adaptation strategies with complex utility priorities, and was recognized with awards from the EPA and the Alliance for Water Efficiency. In collaboration with the Climate Registry and the California EPA, she developed the Water-Energy Nexus registry and championed the creation of Sacramento’s Water Conservation Ordinance, a key regulatory measure that set new standards for sustainable water use. She holds an MBA from the UC Berkeley, and a BA in Architecture from the College of Engineering, Trivandrum, India. Roshini’s leadership is defined by her commitment to community well-being, collaborative problem-solving, and empowering diverse teams to achieve ambitious sustainability goals. LinkedIn

ISMAR ENRIQUEZ, AIA, LFA, LEED AP

Ismar brings an inspired vision to his work at the crossroads of sustainability, equity, housing, and education. With nearly two decades of expertise, he is dedicated to addressing the housing and climate crises by fostering socially inclusive, equitable, and sustainable communities. In addition to his work as Project Manager and Project Architect at Southern California architecture studio, Practice, Ismar is a Long Beach Community Development Commissioner, sits on the AIA LA Board of Directors, and advocates for transformative community initiatives, such as the 2×8 Student Scholarship and Exhibition. Formerly, as chair of the AIA LA Committee on the Environment, he organized the renowned AIA LA COTE 1.5 Degree Celsius Symposium, bringing together global leaders in sustainability. For the past five years, he has worked closely with AIA CA and Sacramento and remains an active member of the AIA CA Climate Action Network, Resilient Design, and Education Subcommittees, delivering expert insights to thousands of members. Ismar is a driving force advancing carbon neutrality, resiliency, climate justice, and equity while shaping government policies and advocacy initiatives across California and the Nation. LinkedIn

BARRY HOOPER, Sr. Green Building Coordinator, San Francisco Department of the Environment

Barry Hooper serves San Francisco’s Environment Department as Senior Green Building Coordinator. He manages the Existing Buildings Energy Ordinance, which motivates improved energy efficiency in commercial and multifamily buildings through energy benchmarking and disclosure, requires commercial buildings prepare an actionable plan for improvement, and obtain 100% renewable electricity. Barry also leads the development of and supports implementation of San Francisco’s Green Building Code which advances energy, water, material, and air quality improvement in local construction projects. He represents San Francisco in the Bay Area Regional Energy Network Codes & Standards Program, the C40 Cities Private Buildings Decarbonization Network, and Bay Area Air Quality Management District appliance rules Implementation Working Group. LinkedIn

BRETT ROSENBERG, LEED AP BD+C

Based in Missoula, Montana, Brett Rosenberg serves as ESG Compliance Manager for Cushman & Wakefield, where his primary role involves helping clients achieve green building certification and regulatory compliance goals. Prior to his present role, Brett served as the project manager for both the Worthen Foundation's well-regarded Building Decarbonization Practice Guide and the award-winning Onsite Non-Potable Water Practice Guide. Before relocating to Missoula from Washington, DC, his roles included Director, Sustainable Practice at the American Institute of Architects and Director of Technical Assistance, Best Practices, and Research for the US Conference of Mayors' Climate Protection Center. Brett has a BA in environmental science and an MS in environmental policy. Brett has proudly watched his two kids become superior skiers and mountain bikers than he is (although he's still a better fisherman!). He is also the emotional support person for two middle-aged greyhounds. LinkedIn

ALICE SUNG, AIA, LEED AP BD+C, ISSP-SA; Vice President

Alice is a trained Climate Reality Leader, NBI Zero Net Energy Leadership Individual Awardee, and 2020 U.S. Grassroots Accelerator for Women Environmental Leader. As founding Principal of Greenbank Associates, a green building/sustainability and resilience consultancy, Alice is dedicated to climate and environmental justice. Alice has facilitated the greening of many local buildings, from the highest rated CHPS Leader school to LEED Platinum community buildings, always prioritizing equity and social justice as the key strategy to reducing carbon emissions and maximizing climate action impact through the building/energy sector at pace and scale.  She advocates for equitable decarbonization and creating zero-carbon K-14 public school districts and, in her work, she explores leverage points and strategic partnerships to center equity while reaching global, national, state and local goals by 2030. Alice is a contributing author to the Worthen Foundation’s Onsite Non-potable Water Reuse Practice Guide and a lead content author for The Building Decarbonization Practice Guide. She has been a conference speaker on a wide variety of sustainability topics for over 25 years, has served as a Fellow in the first National cohort of the Environmental Justice Movement Fellowship at The New School, as well as the second National cohort of the Culture for Health Leadership Institute for Racial Healing, a program initiative of the National Collaborative for Health Equity. Alice consistently seeks to bridge the technical green building movement with environmental justice communities of concern in order to heal the hierarchy of human value and achieve climate justice.

JEFFREY TILL, AIA, LEED AP; President

Jeff is an architect and urban designer, and Principal at Arcadis, where he works to drive towards zero carbon development projects across a range of scales. He has more than thirty years of architectural and master planning experience in North America, Asia, and Europe across a range of project types. He leads design teams on projects for public and private clients with high level sustainability goals, with a focus on a research driven, multidisciplinary process and performance strategies. Jeff has previously served as Design Principal at Perkins + Will and as Design Director, Global Leader Sustainability for Woods Bagot. He has taught sustainable design at Stanford, presented publicly at Greenbuild and AIA National Conferences and served on the Board of Directors at AIA San Francisco and SPUR.