Miriam Posner Harris

Executive Vice President

Miriam Posner Harris joined the ELM team in 2018. As the Executive Vice President, Miriam is responsible for building and growing ELM’s brand, identifying and leveraging strategic partnerships and crafting persuasive messaging to enhance its reputation, resources, reach, and impact on environmental policy. She also manages ELM’s Corporate Council, an alliance of some of the state’s biggest businesses that recognize the profound synergies between a healthy environment and a thriving economy. She works to bring to the forefront companies that have a demonstrated commitment to sustainable operations and recognize the value in advocating to state government leaders to implement bold, practical, well-designed policies.

Previously, Miriam was the founding Director of Energy & Environmental Policy at A Better City, a business association representing 130 members of the business and institutional community of Greater Boston. She led the organization’s clean energy and climate policy efforts, including the development of strategic and impactful legislative and research agendas. Miriam collaborated with state and local officials, public-sector staff, and other stakeholders to execute upon those identified priorities.

Before returning home to Massachusetts, Miriam spent four years as a Senior Policy Analyst at the U.S. Department of Energy in Washington, DC, supporting on energy system resilience and reliability, including working as an emergency responder during Hurricane Sandy. She also served in the Obama White House Office of Science and Technology Policy, the US Senate office of John Kerry, and at the University of Pennsylvania’s Kleinman Center for Energy Policy.

Miriam holds a Master of Public Administration and a certificate in Energy Management and Policy from the University of Pennsylvania where she was the recipient of the Institutional Service and Leadership Award. Her Bachelor’s Degree with honors in Political Science and Public Policy is from Case Western Reserve University.