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Lisa Mariam will become executive director of the Osher Lifelong Learning Institute at George Mason University on June 2, 2025, taking the helm after a national search that drew more than 70 applicants.

Mariam will succeed Jennifer Disano, who is stepping down following 12 years of leadership. Disano plans to continue collaborating with George Mason University’s Watershed Lit Radio Literary Podcast at UpstartCrow.org and work as a nonprofit consultant. She will assist Mariam during her first week to support the transition.

During Disano’s tenure, OLLI Mason expanded its educational offerings from 250 courses a year to more than 500. The college-level program covers subjects including literature, science, technology and the arts.

Disano also increased staffing, introduced hybrid learning during the COVID-19 pandemic and strengthened the institute’s relationship with George Mason University to provide additional benefits for members. Her work emphasized financial stability, volunteer involvement and an inclusive lifelong-learning community.

Mariam currently manages the Challenge America Program at the National Endowment for the Arts, where she administers grants serving underrepresented communities. She previously worked as senior director of grants and services at ArtsFairfax, launching the Arts for Life initiative, expanding its grants program and developing public-private partnerships.

She began her career at the National Gallery of Art, organizing traveling exhibitions. Her local volunteer work includes service on the Fairfax Master Arts Plan Task Force, the Fairfax 50+ Plan and the McLean Community Center board.

Board Chair Debbie Engleson, who led the search committee, said Mariam’s strategic vision, collaborative approach and connection to OLLI’s mission made her the strongest choice. Engleson said Mariam’s community ties and experience expanding memberships and partnerships will help lead the institute into its next phase.