Michael Bartlett

Michael Bartlett

Regional Managing Director – South America

Michael studied Modern Languages at Durham University.



Keen on experience living in different countries and cultures, Michael took EFL (English as a Foreign Language) teaching courses, and worked as a language teacher in state and international schools in the Czech Republic, Germany and Ukraine, and management roles in Italy and the UAE.

Continuing in the education field, Michael had the opportunity to move to China in 2003, initially running Asia admissions and marketing for a global group of language schools, before leading the East Asia region for a UK examinations and awarding body.



A move into the fast-growing university pathway sector then followed, where Michael spent over ten years leading global student recruitment, marketing and admissions for two of the largest global providers, recruiting up to 3,000 new students each year for 15 universities across the world, including well-known institutions such as University of Maine and Lancaster University (UK).



Michael also took on roles running the Global Network for Cambridge Assessment English and later leading the largest international school group in Vietnam with around 10,000 students studying a bilingual curriculum.



After exactly 20 years in Asia, Michael and family embarked on a new adventure at the start of 2023, and are now based in Santiago, Chile. Aside from the opportunity to travel in this rapidly-changing region the family is delighted that their two young daughters will be able to benefit from Spanish immersion.

Kam Bhamra

Kam Bhamra

Regional Managing Director – Middle East

Kam was born, bred and educated in the United Kingdom. At an early age he showed an interest in numbers which continued and developed into a career in Finance.



Post qualification he worked in many diverse industries such as Marsh & McLennan, Atos and British Telecom and covered geographical areas such as Canada, Europe, Africa and Middle East.

It was in 2005 Kam joined British Telecom Global Services based in London which lay the foundations and grew his interest in other continents. In 2010 an opportunity arose in United Arab Emirates which led to him moving out to Dubai and starting a new chapter in his career. After working in several multinationals in the region and with nearly twenty-five years’ experience in Finance behind him, Kam joined International Schools Partnership (ISP) Middle East in 2017.



Already a parent with two boys, education was always an important factor in his family’s life so the passion for this industry continued to grow. During the eight years Kam realised the depth of values and tradition that the Middle East harboured which in turn increased his appetite to experience other countries and cultures.



Kam enjoys cinema, walking, spending time with family and travelling to different parts of the world, especially if it means being by the sea!

Sarah Graves

Sarah Graves

Regional Managing Director – USA & Canada

Sarah grew up in South Africa before moving to the UK in her early twenties.



After several years of teaching in London, Sarah decided to broaden her horizons and moved overseas to take the opportunity to lead and be part of the successful opening of two international schools in Egypt and then Qatar.

Through her experiences in these schools, she learned the value of cultural competence, the importance of building strong connections and trusting relationships, and the joy of working with talented colleagues and students from across the globe.



Sarah then moved to Shanghai, China, to collaborate with colleagues to lead the design and implementation of a bilingual curriculum program for a Chinese International School operated by an international schools group. After the school’s successful opening as an IB World School, Sarah was promoted to Principal and led the school for three years while completing her master’s degree in International Education from King’s College London. During her leadership, the school grew to over fifteen hundred students in its third year. Sarah also worked closely with the regional team to plan and design a capacity expansion project to grow the school to three thousand students in five years.



Sarah joined International Schools Partnership in January 2019, first as the US Regional Director of Learning, where she enabled the successful learning and education integration of the first five US schools. In October 2019, Sarah was promoted to lead the growth of the US & Canada region, responsible for opening a regional office in Dallas, Texas, and recruiting a full team to continue to develop and support the success of the current US schools. As Regional Managing Director, Sarah is growing the region to include new schools, both in the US and Canada.



Sarah enjoys spending time with her family, playing golf, reading, and traveling to new places worldwide.

Philippe Grosskost

Philippe Grosskost

Regional Managing Director – Europe

Philippe oversees the onboarding, building and operations of all our European schools.



He has spent over twenty-five years working in corporate finance and general management and brings a wealth of experience across a range of sectors including consulting, distribution, vocational training and education management.

During his career, Philippe has built, managed, and motivated multicultural and international teams around the world. Previous positions include Managing Director (EMEA) for ETS Global, a subsidiary of ETS, the world leader in business certification, educational testing and consultancy (known for GRE, SAT, TOEFL and TOEIC) and an education start-up financed by the Varkey Foundation and lead by Jeffrey Beard, ex-Director General of the IB. After that amazing experience, he co-founded a business school in Geneva before joining ISP in early 2022.



Philippe has a bachelor’s degree in Political Sciences from Sciences Po in Strasbourg and a Master of Business Administration from ICN, one of the world’s top 50 FT schools. He has completed a Harvard Business School leadership program and been trained in case-based teaching also by Harvard Business School.



Brought up in Alsace, in the East of France, on the border with Germany & Switzerland, Philippe enjoys cycling, travelling and spending his free time with his family.

Rosy Hoang

Rosy Hoang

Regional Managing Director – Vietnam & Thailand

Rosy is from Hanoi, Vietnam. While Rosy initially gained concurrent degrees in Education and English language from two local universities her inherent entrepreneurial foresight compelled her to complete a Bachelor of Economics in Marketing and an MBA with RMIT.

The resilience and tenacity of the Vietnamese people have been inspirational in Rosy’s motivation to aspire to the highest levels of professionalism and management. She has worked as a senior manager and director in Australian, Singaporean, Japanese, Thai and UK companies; the last 19 years being in international education covering all sectors from Kindergarten to University.



With broad international experience and an understanding of Vietnam’s modernisation, Rosy became the long-term Director of Operations with a Singaporean start-up company which grew to be the largest provider of international education in Vietnam, from two Kindergarten campuses in 2004 to fifteen campuses covering Kindergarten, Primary and Secondary schools by 2018.



Now, as ISP’s Regional Managing Director for Vietnam and Thailand, Rosy relishes the challenges of creating new and innovative schools of international quality and providing new opportunities for international and local students in the region.



For relaxation, Rosy enjoys travel, cooking, yoga, working out in the gym, gardening, shopping and keeping in touch with her family spread across the world.

Mateo Mazal

Mateo Mazal

Regional Managing Director – Mexico & Central America

Mateo was born in Mexico City and grew up in Monterrey where he studied.


He holds a BA in Industrial Engineering with a minor in Systems from ITESM and an MBA from IPADE Business School.
Learning is a tremendous passion for Mateo. He has worked in education for 14 years.

He transitioned into the sector as a University Rector at Universidad del Valle de Mexico campus Monterrey from a previous career as an investment banker. In 2012 he was promoted to COO for UVM. He was responsible for managing all operations and drove the expansion and growth of the group both organically through acquisitions as well as through focusing on academic quality and student outcomes. He moved away from education for two years, working as COO for City Express, an international hotel company, where he learned about service as a pilar for success not only for customers, but also for his team. However, the draw of the education sector was too strong and he rejoined UVM as VP of admissions and operations for 2 years before moving to ISP in March 2022.



Mateo is enthusiastic about working with our schools to become schools of choice and ISP’s purpose and principles really resonated with him. Helping children has been a part of his volunteer career for many years, serving as board member of PAME kids international and as Founder/CEO of Theatrum A.C., both organizations supporting children with medical and economical needs.



He enjoys the outdoors and mountains, playing music with his daughter, cycling (every type of terrain!) and spending time with his family. He also practices mindfulness and yoga.

Iain Sallis

Iain Sallis

Regional Managing Director – Malaysia

Iain grew up in the seaside town of Brighton in the UK and has been working in education for over twenty years.



He graduated from Greenwich University with a teaching degree in Sciences and PE, and later achieved a Post Graduate Certificate from Brighton University and a National Professional Qualification for Headship.

Iain has worked in seven schools in differing contexts during his career and has held leadership roles for 20 years. He has supported several educational groups and universities. Before moving into his current role of Regional Managing Director – Malaysia, Iain was the proud Campus Principal of Tenby Schools Setia Eco Park, our flagship school in the region in Malaysia, with 2,000 students and two curriculums.



Passionate about partnership, he has supported several educational groups including Brighton and Hove Headteacher Collaboration and Tomorrows Leaders and taken part in international collaborative projects such as the British Council Malawian leaders project in Africa. Iain’s other educational passions range from Educational Leadership and using data to impact learning.



Iain worked as a youth coach at Brighton and Hove Albion FC Academy for 10 years. He is always learning and in his spare time enjoys snowboarding, golf, travelling and watching live professional sport.

Maggie Wright

Maggie Wright

Regional Managing Director – Iberia

Maggie Wright is a passionate educator committed to life-long learning and personal development.



As a senior executive leader, with 35 years of international school experience, she works collaboratively to ensure outstanding learning outcomes for all students and staff.

Maggie has a strategic approach to authentic self-evaluation, leadership development at all levels, and school improvement. She is bilingual and has experience teaching and leading in diverse and complex multi-lingual school environments in North America, South America, Europe, Asia and the Middle East.



Maggie is driven to achieve and succeed with a sense of shared vision and common purpose. Committed to continuous improvement, she encourages herself and others to engage in personal reflection, inspired goal setting and making positive life changing choices. She is known within the education community as an outgoing, fun-loving person with strong, yet flexible views and with a genuine interest in people and an authentic compassion for others.



Maggie lives in Valencia with her husband Jim who enjoys exploring and photographing Spain. Her adult children are global citizens having lived internationally and studied the IBDP in England and Wales. She is a competitive triathlete but also relishes the fine dining opportunities that the many diverse regions of Spain have to offer. As a published author and researcher, Maggie also enjoys speaking at events to highlight her holistic approach to work and life in general.