[4] After graduating from UNL, he spent a year working in Washington, D.C. as legislative assistant to Congresswoman Virginia D. Smith, R-Neb, who represented Nebraska's 3rd congressional district from 1975 to 1991.

[6] degree in 1983 from New York University School of Law; he was a Root-Tilden Scholar and research assistant to Professor Norman Dorsen, then-president of the American Civil Liberties Union.

After graduating from NYU Law, Milliken worked for the Legal Aid Society's Civil Division in New York City, then as an attorney at Cadwalader, Wickersham & Taft.

The UT System Board of Regents touted Milliken's rich higher education experience over three decades and his track record of success in creating and executing strategic plans.

Launched in 2022, Promise Plus is a $300 million endowment that was created by the UT System regents in order to reduce the cost of higher education for lower income students.

[11] In 1998, Milliken was appointed by then-president of the University of North Carolina, Molly Corbett Broad to lead university-wide strategy, institutional research, state and federal relations, public affairs, and economic development.

[17] While at CUNY, Milliken was lauded for improving access to higher education and expanded an initiative called ASAP, or Accelerated Study in Associate Programs, that provided financial help, including free MetroCard fare, and tutors.