Glen joined the Stupski Foundation as CEO in 2015.

Glen previously served as CEO of The Philanthropy Workshop, whose mission was to educate, inspire, and activate a peer network of effective, engaged, and innovative philanthropists. His career in strategic philanthropy started with the founding team of the Global Philanthropy Forum, where he was responsible for launching the first and second Conferences on Borderless Giving. He also served at Human Rights Watch as the deputy director of development for North America, where he had strategic oversight of the Human Rights Watch Council, a network of supporters and opinion leaders committed to raising money for, and awareness of, human rights in five major cities.

Glen has written and published on the role of ethnicity in the formation of political parties and human rights and in the use of political violence and repression in sub-Saharan Africa.

Glen holds a Ph.D. and a Masters from the University of Colorado at Boulder in political science, and a Bachelor of Arts in political science from the University of California at San Diego. He currently serves on the boards of Northern California Grantmakers and Article3.org.