Leadership Team

Biography

Jennifer brings 20 years of experience leading and teaching in international schools. Her work has centered on connecting with families, championing student growth, and leading innovative curriculum design—including a model recognized by Harvard Graduate School of Education’s Project Zero for its excellence in urban, outdoor, and place-based learning.

Her leadership roles include serving as Head of School at an international school in Madrid, Founding Head of an international school in Tanzania, and leader of divisions and educator in Spain. She also has extensive expertise in both the International Baccalaureate (IB) and NEASC.
A social entrepreneur, Jennifer co-founded a global non-profit dedicated to safeguarding children and other vulnerable populations through teacher training, education, and community engagement in Tanzania.

Originally from Chicago, Jennifer first came to Spain to work at the U.S. Embassy. Captivated by the culture and energy of Madrid, she soon shifted her career toward education and thrives in the classroom. She holds a BA in Primary Education, International Studies, and Spanish, as well as an MA in Interdisciplinary Women Studies

Biography

Kathryn (Kat) Simison joined Brewster Madrid in its founding year, 2023, as the Network Director of Enrollment and External Affairs. Kat graduated from Holy Cross in 2011 with a double major in Spanish and International Studies and began her career in global education. She started her trajectory with a Fulbright Teaching Assistantship in Reinosa, Spain, followed by a move to La Coruña, Spain to teach English and work as a study abroad consultant. She returned to the United States in 2015 where she worked as the Director of International Recruitment at Miss Porter's School. During that time, Kat received her M.B.A with an international business concentration from the University of Hartford in 2020 and started a family. Kat is excited to be back in Spain with Brewster to foster global education and expand the American education in Madrid. She also maintains her ties to her own impactful educational experiences as a member of the University of Hartford Alumni GOLD Board and Co-VP board position for the Fulbright Spain Interest Group. In her free time, you can find Kat out on a run, exploring new restaurants, traveling to new destinations, or at the local park with her husband, daughter, and dog.