Darija Cosic is an Infrastructure & Energy Policy Manager at Meta, where she partners with the energy and data center teams to advance energy solutions that support growing data center infrastructure. She engages with policymakers, utilities, regulators, and industry stakeholders to advocate for policies that strengthen transmission and grid infrastructure, enable well-functioning wholesale markets, and enable energy development.

Prior to Meta, Darija worked at the Massachusetts Department of Energy Resources, supporting rate design, large-scale transmission, and offshore wind procurement. She also brings deep experience in industrial and manufacturing energy consulting, including energy supply and organized markets. Darija holds an M.S. in Energy and Environment and a B.A. in Physics with Hight Honors from Clark University.