Guybe Slangen

Senior Director, Expansion
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Guybe Slangen is the Sr. Director of Expansion at Horizons National, where he supports the growth of the organization’s network to expand access to transformative programs for students nationwide. He works closely with Horizons team members to identify opportunities, nurture relationships, and ensure the success of affiliates.

With nearly three decades of experience in education and nonprofits, Guybe previously served as Director of Community Engagement at San Francisco Friends School (SFFS) for 16 years. He helped launch Horizons at SFFS, the pioneering West Coast Horizons affiliate, supporting students and families in the surrounding Mission District. Guybe also serves on the board of the National Network of Schools in Partnership (NNSP), a division of the Close Up Foundation.

A graduate of Dickinson College and holding a Master’s in Educational Leadership from Columbia University’s Teachers College, Guybe was raised in an international family of educators, which has profoundly influenced his commitment to diversity and equity in education. He lives in San Francisco with his wife and daughter.