Seth W. Miller Gabriel

Seth is a principal at Taft Infrastructure Advisors and has been a leader in infrastructure, public-private partnerships, and project governance for nearly twenty years. He has advised public owners and private sector partners or been the public owner in jurisdictions seeking to find better ways to meet their infrastructure needs. Seth has advised countless governments, organizations, and institutions on the creation of project development policies around the world.

Prior to starting Taft Infrastructure Advisors, Seth co-led BDO’s Infrastructure and Public-Private Partnerships (P3s) team in Washington, DC. Prior to that, he served as director of programs and initiatives at AIAI, the national P3 trade association in the U.S., and is an AIAI Ambassador to this day.

Earlier in his career, Seth was appointed as the first executive director of the Office of Public-Private Partnerships for the District of Columbia, where he led the delivery of the first P3 project in the District, DC Street Lights. Prior to this appointment, he was the director of operations for the Institute for Public-Private Partnerships (IP3), the leading international P3 capacity building organization at the time. Before joining the IP3 team, Seth held supervisory positions with for-profit and non-profit organizations, all focused on the delivery of public infrastructure.

Beyond advising private sector firms in every sector and governments at all levels, Seth has worked to professionalize the P3 field. He has co-authored works on the topic, spoken at both domestic and international events, hosted countless foreign delegations with the State Department Visitation Program, and taught a graduate-level course on P3s.

Seth is not licensed to practice law in any state and does not provide legal services.