Mary Miller

Mary Miller Senior Fellow, 21st Century Cities Initiative

Mary John Miller has been a Senior Fellow at the Johns Hopkins University 21st Century Cities Initiative since 2017. Ms. Miller served as the U.S. Treasury’s Under Secretary for Domestic Finance from 2012 to 2014 where she oversaw Treasury debt management, fiscal operations, recovery from the financial crisis, and implementation of the Dodd-Frank financial reform legislation. From 2010 to 2012 she served as Assistant Secretary for Financial Markets, where she was responsible for conducting Treasury auctions and monitoring all financial markets. She was confirmed by the U.S. Senate to serve in both positions. On her retirement from the Treasury, Ms. Miller received the Alexander Hamilton Award for Distinguished Service.


Prior to her public service, Ms. Miller spent 26 years in the investment management industry with the T. Rowe Price Group in Baltimore, MD. She was the Director of the Fixed Income Division, and served on the firm’s Management Committee, Asset Allocation Committee, and as a trustee of the T. Rowe Price Foundation. She is a Chartered Financial Analyst and in 2018 Ms. Miller was inducted into the Fixed Income Analysts Society Hall of Fame.


Most recently Ms. Miller served as the Interim Senior Vice President for Finance and Administration at Johns Hopkins University for the 2020-21 school year.


Ms. Miller currently serves as a Director of T. Rowe Price Charitable, the firm’s donor advised fund for charitable giving, and as a Trustee of Johns Hopkins University, where she chairs the Peabody Institute Advisory Board and serves on the boards of the Applied Physics Lab and Johns Hopkins Technology Ventures. She is also a Trustee of The Urban Institute (Washington, DC) and Calvert School in Baltimore.


Ms. Miller earned a B.A. cum laude from Cornell University and has a Master of City and Regional Planning from the University of North Carolina at Chapel Hill. She resides in Baltimore, MD and is married with two sons.