He has also lectured in the United States to students of the Leadership Institute.
From 1991 to 1997, Gentry served as executive vice president of the Leadership Institute, a nonprofit organization based in Arlington, Virginia.
While the Institute does not provide instruction in philosophical conservatism, it does encourage its graduates to read classic conservative authors like Edmund Burke and "classical liberal" authors like Frederic Bastiat, as well as more modern conservative thinkers including William F. Buckley Jr., Russell Kirk, Barry Goldwater, and libertarian thinkers such as economists Milton Friedman and F. A. Hayek.
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In addition to his speaking engagements, he serves as a trainer for the Leadership Institute in Arlington, Virginia, where he teaches grassroots activism and campaign organizing.
In addition, he established the New Millennium Leadership Institute, founded the Unity Day Celebration Committee, and hosts Richmond's Annual Juneteenth Celebration.
Mackay joined the Y.M.C.A. as an evangelist and religious teacher moving his family to Montevideo, Uruguay, where the Y.M.C.A. operated a leadership institute.
Time To Think began in 1984 and grew out of Nancy's consulting and teaching work near Washington, DC, where she had served as a Founding Director of The Thornton Friends School for twelve years and as Director of The Leadership Institute for six years.