Chrissa Pagitsas is the director of Fannie Mae’s multifamily green-financing business. She oversees the growth of its portfolio, valued at $32 billion as of year-end 2017. She is a leader and industry expert in sustainable finance, creating a road map for advancements in green fixed-income securities, national standards for tracking and measuring energy and water performance, and transforming how multifamily mortgage originators and developers finance properties.