Born and raised in Massachusetts, Glen has been a nonprofit executive, consultant and leader for nearly 30 years. He became Executive Director of Tucker Maxon School on June 2, 2014. In January 2024, Glen was named by Portland Business Magazine as one the year’s CEO/Executive Directors of the Year for Social Impact.

Glen was Executive Director of the Oregon Lions Sight & Hearing Foundation and led a successful capital campaign to quadruple the number of school children screened for sight and hearing. During his tenure, the budget and staff size at the Foundation also doubled. He recently led the effort to merge the 72-year-old Museum of Contemporary Craft with the 100-year-old Pacific Northwest College of Art. Other clients have included Metro, Zero Waste Alliance, Tibetan Peace Center and the National Community Land Trust Network. Glen was Interim President and CEO of Nature Bridge (formerly Yosemite National Institutes), the largest environmental education organization in the country. He was also the inaugural President and CEO of the Cascadia Region Green Building Council for Oregon, Washington, British Columbia, and Alaska.

Prior to green building, Glen was President and CEO of the World Forestry Center, a nonprofit that includes a museum, a demonstration forest, and an international fellowship program. He led a $7 million campaign to reinvent the museum. Glen was inaugural Executive Director during the Berkeley Public Library Foundation’s $4.3 million capital campaign. Glen began his nonprofit career as Executive Director of the human rights organization Tibet Justice Center in San Francisco, where he organized a Gala fundraising dinner with His Holiness the Dalai Lama and two other Nobel Prize laureates. 

After graduating from Harvard Law School in 1989, Glen was an attorney, a human rights consultant to the Tibetan government-in-exile in India, an Assistant Professor of Law in Prague, and Legislative Counsel to the Pacific Island nation of Palau in Micronesia. His law school thesis on environmental dispute resolution was published in the Ecology Law Quarterly. Glen was also a journalist between college and law school and he backpacked around the world for over a year. Glen has also lived and worked abroad in India, Prague and the Republic of Palau. Glen is a film buff, scuba diver, backpacker, photographer, avid reader and volleyball player.