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Leadership

Flags in canteen

Leading with Purpose 

The ISP Senior Leadership Team (SLT), led by the Director, is primarily responsible for aligning all facets of the school to fulfil ISP’s mission and strategic objectives.

Dr. Cal Callaway

ISP Director
ccallaway@isp.cz

Admissions Manager

Cal is a collaborative and student-centred leader with over 22 years of experience in international education across four countries. He joined ISP in 2023 as Deputy Director, where he led school-wide initiatives in safeguarding, diversity, equity and inclusion, and student support, ensuring alignment across all sections of the school.

Cal began his career teaching at the elementary, middle, and high school levels in the United Kingdom, China, Latvia, and Ethiopia. He went on to serve as Deputy Head of School at both the International Community School of Addis Ababa and the International School of Latvia, gaining deep experience in academic leadership and school operations.

Known for his thoughtful approach and strategic mindset, Cal brings a strong commitment to community, inclusion and high quality learning. He holds a doctorate in educational leadership and was recognised as a National Distinguished Principal in 2021.

Admissions Manager

Calley Connelly

Deputy Director 
cconnelly@isp.cz 

Before joining ISP as Deputy Director, Calley served as an Elementary Principal and Strategic Wellbeing Lead, spearheading restorative practice, holistic well-being initiatives and data-driven improvement. Across more than 20 years in international education spanning six countries, she has moved from high-school mathematics teacher to curriculum coach and senior leader, consistently building inclusive learning communities where students and educators flourish.

Admissions Manager

Petr Draxler

Chief Operating Officer
pdraxler@isp.cz

Petr Draxler is a seasoned Human Resources executive with over 30 years of professional experience across diverse industries, including Logistics, Telecommunications, IT, Consulting, Financial Services, and Education. Throughout his professional career, Petr has held both country-level and regional-level roles, reflecting his adaptability and capacity to manage HR functions across different scales and geographical contexts in companies such as DHL, Motorola, IBM, GTS, Fortuna Entertainment Group. 

Admissions Manager

Laura Jo (LJ) Evans

Elementary School Associate Principal
ljevans@isp.cz

Spanning the continents of Asia, Africa and Europe, Laura Jo (LJ) has been an international educator and leader for 18 years. She began her career in early childhood education and expanded to lead whole-school change through the lens of a constructivist, inclusive approach to learning. LJ has been a contributing author in two publications which focus on building a collaborative school culture where all learners authentically engage in intentionally curated learning environments. 

Admissions Manager

Anthony Hennelly

Activities and Athletics Director
ahennelly@isp.cz

Anthony is a highly regarded and experienced professional with over 16 years of international teaching, administrative and coaching experience from schools in the United Kingdom, Thailand and Belgium. He has also worked in Higher Education Institutions as well as grassroots and professional sports clubs in Europe, South-East Asia and Australisia.

Admissions Manager

Dr. Michelle Juhasz-Stevens

Middle School Principal       
mjuhasz@isp.cz

Michelle is from Brockville, Canada. The field of education has always inspired Michelle. She has taught students in grades 5 through 12 in Biology, General Science, Health, Physical Education, and Outdoor Education. She has been a 6-10 Assistant Principal, and 6-8 Principal. Michelle has held positions in Guatemala City, Frankfurt, Tokyo, Lima, and Munich before coming to Prague. Michelle has over 10 years of experience in the International Baccalaureate and has facilitated many workshops at regional conferences with a focus on building highly functioning teams through middle leadership. Michelle recently completed her EdD in K-12 School Leadership from Western University, London, Ontario, Canada. 

Admissions Manager

Monica Stanciu

Director of Advancement
mstanciu@isp.cz

Monica has over 15 years of experience in advancement in world-renowned educational institutions in Singapore. Her experience spans the full advancement spectrum, capital campaigns, major gifts, annual fund, working with volunteers and boards, advancement services, and strategic marketing and communication. 

Admissions Manager

Dr. Eric Sturm

Upper School Principal
esturm@isp.cz

Eric holds a PhD in Educational Leadership, and prior to his arrival in Prague, led the International Academy of Macomb in Michigan, USA since 2012. Previously, Eric worked as a principal, IB Coordinator, and teacher in the USA, Venezuela, Egypt, and Turkey and is an IBDP workshop leader and examiner. Eric helped to write the curriculum for the World Studies Extended Essay pilot project, a unique interdisciplinary opportunity for students to develop their capacity for global consciousness and action. As Faculty of the Future of Learning Institute at Project Zero, Harvard Graduate School of Education from 2012-2016, Eric was a co-developer of design thinking professional development.

Admissions Manager

Matthew Woodward

Elementary School Principal
mwoodward@isp.cz

With over 20 years of international experience in education, Matt has dedicated his career to fostering student growth and creating vibrant learning environments. His journey has taken him from the U.S. public school system to dynamic roles in Mexico, Chile, Kenya, and now Prague, Czech Republic. As an Elementary Principal, director of Learning, and Assistant Principal, he has embraced a constructivist framework, emphasizing inquiry-based learning, strong relationships, and student agency.