HGP Leadership
Christen Johnson, Executive Director
Sarah Keffer, Assistant Program Director
Sarah Keffer has been working with Horizons since High School when she volunteered at the Horizons at Episcopal Academy program. Further deepening her relationship with Horizons, Sarah taught fourth grade at both Horizons at Episcopal Academy and Horizons at Dedham Country Day School. Sarah graduated from Boston College with her BA in Elementary and Education and Political Science. She also received her Master's Degree in Education from St. Joseph's University. In addition to working for Horizons Greater Philadelphia, Sarah is a fourth grade teacher at St. Peter's School in Philadelphia.
Program Site Leadership
Joel Rolon, Executive Director,
Horizons at Cristo Rey
Ryan Learn, Executive Director,
Horizons at Episcopal Academy
Dany Huanira, Program & Operations Director,
Horizons at Episcopal Academy
Dany joined Horizons at the Episcopal Academy as in April 2024. In this role, he oversees the logistical planning of the six-week Summer Program, managing key components such as meals, field trips, and swimming lessons. Dany’s journey with Horizons began in 2019 at Horizons at Lancaster Country Day School, before transitioning to HEA. His deep commitment to the Horizons mission and hands-on experience in the classroom make him a valuable leader in shaping enriching summer experiences for students.
Grace Cannon, Executive Director,
Horizons at Greene Street Friends School 
Grace brings deep experience in educational leadership, youth development, and large-scale program design. Most recently at The Brookings Institution, she led a global education initiative focused on how systems support young people, overseeing an $8 million portfolio.
Jennifer Wilmot, Executive Director,
Horizons at Springside Chestnut Hill Academy
Jennifer M. Wilmot is a West Philadelphia native whose own experience in Philadelphia public schools shaped her commitment to educational equity. From direct service with City Year to national research and program leadership at Stanford University, Jennifer has spent more than 15 years expanding opportunities for young people in under-resourced communities. Jennifer holds a master’s in English from the University of Missouri, an M.S.Ed. in Teaching, Learning, and Leadership from the University of Pennsylvania, and a certificate in grant writing from Temple University.
Kenyatta Patterson, Site Director, Horizons at Springside Chestnut Hill Academy
Kenyatta Patterson is the Site Director of Horizons at SCH and has been with the program since its founding. Kenyatta joined SCH in the summer of 2021 working as a reading specialist in our Horizons Program. In August of 2021, she started her role as a 4th-grade girls homeroom teacher. Kenyatta holds a Bachelor’s Degree in Education from Temple University where she studied early childhood and elementary education. She also holds a Master of Education from Eastern University, where she focused on Multicultural Education, as well as a Doctorate in Education in Educational Leadership with a certification in Supervision and Administration. She has over 10 years of experience in education.
