Romy is the founder of Turtle on Post LLC, a board advisory services company, and serves as an independent director of the Federal Home Loan Bank of Pittsburgh and an advisor to PBJ Marketing LLC (https://pbjmarketing.com).

Prior to retiring from the Exelon Corporation in 2020, Diaz was General Counsel of PECO Energy Company and led team that achieved approvals for first market-based power purchases of $3B annually. Diaz previously served as Vice President of Governmental and External Affairs and drove development of company’s award-winning energy efficiency programs to help customers save energy and money. PECO, a division of Exelon, is PA’s largest electric and gas utility with $3B in annual revenues, $10B in assets and 2,600 employees.

Diaz was City Solicitor of Philadelphia from 2005-2008, where he brokered the $800 million expansion of PA Convention Center—the largest public works project in PA history; negotiated $55 million auto insurance rate reduction; and guided development of nationally acclaimed home foreclosure diversion program.

Following unanimous confirmation by the United States Senate, Diaz served as Assistant Administrator of the U.S. Environmental Protection Agency responsible for agency operations, IT, HR, procurement, and federal assistance programs totaling $6 billion annually. At EPA, he led financial management reforms that brought current a 20,000- case backlog in grant closeouts, and established e-commerce capability for $1.6B/year procurement program.

At the U.S. Department of Energy, he served in various roles, including Counselor and Deputy Chief of Staff to the Secretary of Energy, leading internal regulatory reform of directives and paperwork burden, saving more than $100 million annually; and directed international emergency planning, including response to 1990-1991 Gulf Crisis/War.