Leadership Team

Biography

María Zavala joined Brewster Madrid in its founding year, 2023, and currently serves as Campus Director in Chamberí. María studied Educational Psychology at the University of Deusto, later earning degrees in Teaching and Psychology before completing a Master’s in Educational Leadership and Management at Universidad Francisco de Vitoria. She began her career in Spain, quickly stepping into school leadership roles across several prestigious international institutions.

Throughout her career, María has dedicated herself to driving pedagogical innovation, championing educational quality, and leading multidisciplinary academic teams. Her deep expertise spans International Baccalaureate (IB) continuum programs and individualized student personal development plans. As Campus Director at Brewster Chamberí, she leverages her extensive administrative background to foster a nurturing, forward-thinking learning environment for students and staff alike.

In her free time, you can find María traveling, playing sports, cooking, reading, or going for walks with her family and her dog.

Biography

Jennifer Pro is the Campus Director at Brewster Madrid (La Moraleja), bringing 20 years of experience leading and teaching in international schools. She holds a B.A. in Primary Education, International Studies, and Spanish, as well as an M.A. in Interdisciplinary Women’s Studies. Originally from Chicago, Jennifer began her career in Spain working at the U.S. Embassy in Madrid. Captivated by the city’s culture and energy, she soon pivoted to global education, developing a deep passion for classroom teaching and school leadership.

Throughout her career, Jennifer’s work has centered on championing student growth, fostering strong family connections, and leading innovative curriculum design—including a model recognized by the Harvard Graduate School of Education’s Project Zero for 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 division leader across Spain, alongside extensive expertise in International Baccalaureate (IB) and NEASC accreditation. A dedicated social entrepreneur, she also co-founded a global non-profit focused on safeguarding vulnerable populations through community engagement and teacher training in Tanzania. At Brewster, Jennifer thrives on bringing innovative, high-impact education to the Madrid community.

In her free time, you can find Jennifer exploring the vibrant neighborhoods of Madrid, engaging in local community initiatives, and immersing herself in global travel and cultural experiences.

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 to teach English and work as a study abroad consultant. She returned to the United States in 2015 to serve as the Director of International Recruitment at Miss Porter's School, during which time she earned her M.B.A. with an international business concentration from the University of Hartford in 2020.

Throughout her career, Kat has remained deeply committed to advancing international education and fostering meaningful cross-cultural connections. Now back in Spain with Brewster, she is thrilled to help expand American educational opportunities in Madrid. She actively maintains ties to her own formative academic experiences as a member of the University of Hartford Alumni GOLD Board and as Co-VP of 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 spending time at the local park with her husband, daughter, and dog.

Biography

Daniel Querub joined Brewster Madrid bringing over 20 years of executive experience in business management, strategic leadership, and international project development. Daniel holds a degree in Economics and an MBA from Universidad Carlos III de Madrid, complemented by specialized studies in finance and competition law. He began his professional career in Spain holding key management and finance roles before expanding his leadership trajectory internationally to Peru, where he served as General Manager of IBT Group.

During his tenure in Peru, Daniel spearheaded large-scale social infrastructure and healthcare projects, overseeing complex hospital developments through public-private partnership models to broaden access to essential services. Upon returning to Spain, he joined Brewster Madrid to leverage his expertise in organizational strategy and team leadership toward the school’s educational mission. A firm believer in the transformative power of education, he strongly aligns with Brewster’s vision of delivering an international education that prepares students to thrive in a globalized world.

Guided by the principle that leadership is about nurturing talent and building trust, Daniel views diversity, collaboration, and lifelong learning as vital to both personal and professional growth. In his free time, you can find Daniel traveling, exploring new cultures, and spending quality time with family and friends.