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Our People

Leadership Team

Jamie Steckart — Head of School

Jamie Steckart is THINK Global School’s head of school. Jamie is widely recognized as an engaging school leader and visionary educator, and he brings to TGS over twenty years of experience designing and leading schools which utilize place and project-based learning. Jamie holds a master’s degree from the University of Minnesota and is a licensed teacher, principal and superintendent.

Ashley Silver — Head of Operations

As THINK Global School’s head of operations, Ashley supervises the school’s human resources and finance departments, its visa procurement for students and faculty, and its external relations, including host school development. As the director of weXplore, she integrates the unique offerings of each host city with the TGS curriculum to create meaningful educational experiences that go beyond what is possible in the traditional classroom environment.

Ashley attended school at the University of Florida, where she received her bachelor’s in business management, with a focus in psychology.

Mike Hourahine — Head of Technology and Strategic Outreach

As head of technology and strategic outreach at THINK Global School, Mike is responsible for creating a world-class mobile, technology-based high school environment. He is synthesizing today’s amazing developments in technology with the innovative practices of 21st-century teaching to create new ways for TGS students to learn in the classroom through digital platforms. Mike also designed SPOT, a web-based system that TGS students and teachers use to capture and share their experiences as they travel the world.

Mike received his bachelor of science with honors in computer science from Queen’s University in Ontario in 1998. He completed the Queen’s Executive Development Information Technology Program in 2005, and took master’s-level courses in software engineering at the University of Waterloo from 2005 to 2007.

Onsite Faculty and Staff

Andrew Jenkinson — IB Curriculum Coordinator

Andrew Jenkinson is THINK Global School’s IB curriculum coordinator. He is an experienced international educator with spells in the Caribbean and Switzerland prior to TGS. He has served, variously, as a secondary principal on two occasions, an MYP coordinator and an IB Diploma coordinator. He remains, however, an English teacher at heart.

Lindsay Clark — Media Specialist / newMedia Lab

Lindsay Clark is THINK Global School’s media specialist and newMedia Lab teacher. In her role as media specialist, Lindsay is responsible for all aspects of onsite photography, video and use of social media. Through the newMedia Lab, Lindsay works directly with students to help develop their media skills and support the production of a variety of media forms for curriculum and reflective purposes.

Lindsay graduated with honors from Indiana University’s Henry Radford Hope College of the Arts, with a bachelor’s in studio art and art history. In 2009, she won the World Traveler Internship from STA Travel, beating over 700 applicants for the chance to document 11 weeks of extensive travel and develop a multimedia marketing campaign.

Russell Cailey — IB History / Theory of Knowledge

Russell Cailey is THINK Global School’s theory of knowledge and IB history teacher. Prior to joining TGS, he taught the humanities and social sciences for six years, based primarily in Manchester.

To enhance his teaching credentials, he pursued an MA in international politics and earned his stripes as a teacher at Keele University, in England, where he was awarded a postgraduate certificate of education (sociology and social studies). During this course, Russell gained the Advanced Teaching Award for excellence in the classroom and for going beyond the standards expected by the university.

Jarret Voytilla — IB Environmental Systems & Societies / IB Biology

Jarret Voytilla is THINK Global School’s IB ES&S and IB biology teacher. Prior to joining TGS, Jarret spent seven years teaching internationally at the secondary level, including five years working intimately with the IB Diploma Programme. He is a passionate advocate of the philosophy and mission of the International Baccalaureate Organization (IBO).

Jarret’s teaching area of specialization is the natural and experimental sciences, and he taught and coordinated biology, physics, environmental systems, and health sciences for seven years in Mexico. He holds IBO teaching certifications for both environmental systems and extended essay instruction.

Nick Martino — IB Anthropology / Global Studies

Nick Martino is THINK Global School’s IB anthropology and ninth & tenth grade global studies teacher. He holds certificates for International Baccalaureate Social and Cultural Anthropology, and he has offered workshops for the International Baccalaureate Organization on the effectiveness of anticipatory sets as well as service-learning and creativity, action, service. Nick graduated from Virginia’s University of Mary Washington in 2006, receiving his bachelor’s in history and secondary education.

In 2007, Nick was named a Claes Nobel Educator of Distinction for his work teaching United States and Virginia history. And the Washington Post named Nick an Agnes Myer Outstanding Educator and Stafford County Teacher of the Year in 2011.

Guillermo Machado — Pre-IB & IB Math Teacher

Guillermo Machado is THINK Global School’s Pre-IB & IB mathematics teacher. After completing a challenging B.A degree in physics at Oxford University’s Lincoln College, Guillermo enrolled at the Open University (Milton Keyes, England), where he attained a postgraduate certificate in systems engineering.

Guillermo’s professional career includes 5 years in the renewable energy industry, and he is currently in his fifth year of teaching. After moving away from the energy industry, Guillermo completed a postgraduate certificate in education (PCGE) through Nottingham University, in which he was awarded a distinction.

Breanna Reynolds — IB Language and Literature Teacher

Breanna Reynolds is THINK Global School’s IB language and literature teacher. Breanna has supervised teachers and conducted visitations in over 20 different academic institutions in India, including private, modern, and government schools with national standardized curricula. In 2008, Breanna received a Fulbright Scholarship as a foreign exchange teacher in New Delhi, India, and she was nominated by the Department of State to be the resident director of the educational seminar India Summer Teacher Program for four years in a row.

Breanna received her bachelor’s in secondary education and English from Arizona State University and her master’s from Boston University’s School of Education.

Tessa Siebrits — Science Teacher

Tessa Siebrits is THINK Global School’s ninth & tenth grade science teacher. She brings over 30 years of experience teaching biology at the high school level, including fifteen years instructing at the International Baccalaureate level, twelve of which she spent as an IB biology examiner. Over the course of her extensive teaching career, Tessa has also instructed general and co-ordinated sciences, physics and chemistry for students up to the 10th grade level.

Tessa received her formal education at the University of Cape Town in South Africa, where she obtained a double major in botany and zoology. Ten years into her teaching career, she returned to the University of Cape Town to attain a degree in sports science.

Jane Cheu — Mandarin Teacher

Jane Cheu is THINK Global School’s Mandarin teacher. A native of Singapore, Jane received her teaching diploma from the National Institute of Education at Nanyang Technological University and her master’s in Chinese from Nanjing University.

Jane brings over ten years of teaching experience to her role as Mandarin teacher, having taught students in Dubai, Singapore and, perhaps most notably, in Jakarta, Indonesia, right after the removal of a three-decade-long ban on anything related to Chinese culture within the country.

Adam Sturman — Director of Residential Life

Adam is THINK Global School’s director of residential life. After completing certificates in exercise prescription and event management at the New Zealand Institute of Sport, Adam continued on with his education at the Auckland University of Technology (AUT), where he gained a bachelor of sport and recreation with a concentration in sports science. He developed an interest in education during this time, and stayed on at AUT to gain a postgraduate diploma of secondary teaching, subsequently becoming a qualified physical education and health teacher.

Remote Support Staff

Lily Just — Director of Admissions

As the Director of Admissions, Lily oversees the areas of new student recruitment, admissions, enrollment and orientation, as well as re-enrollment for continuing students. Meeting with prospective students, their parents and advisors from around the world, she is responsible for illustrating the details of our unique school model and identifying the distinctive candidates who will become new TGS students.

Lily graduated from Yale University in 1997, where she studied philosophy and psychology. In 2003, she obtained her master’s degree in business administration from the Freeman School of Business at Tulane University.

Melanie Anderson — Admissions Associate

In her role as admissions associate, Melanie assists on various functions related to student recruitment and professional affiliations. She works closely with the admissions director on strategic planning, recruiting initiatives, enrollment, and database maintenance.

Melanie earned her bachelor’s in psychology from the University of South Florida and has twenty years experience in the admissions field, serving as an admissions director for a middle/high school level boarding school for ten years. She has also served on various committees and boards, including six years as president of the Southeastern Association of Boarding Schools and four years as an accreditation committee member for AdvanceEd.

Heather Koromaus — Global Travel Coordinator

As director of global travel coordination, Heather is responsible for assisting TGS faculty and staff with booking international travel. She also coordinates with TGS administrators and outside counsel regarding host-country immigration needs for the school. Heather studied psychology at Pennsylvania State University, where she graduated with honors and distinction. She is also a member of the academic honor society Phi Beta Kappa.

Herbert Batisse — Finance Coordinator

As finance coordinator, Herbert is responsible for monitoring all daily financial transactions by coordinating meetings and discussions with each of the school’s departments. He anticipates THINK Global School’s needs for every country and adapts to changing situations through his understanding of domestic and international financial practices. Herbert attended Georgia State University in Atlanta, where he received his bachelor of accountancy.

Jeff Tilson — Web Developer / Systems Administrator

Jeff is THINK Global School’s web developer and systems administrator, responsible for developing and maintaining the school’s in-house custom social learning platform (THINK Spot) and all other technical aspects of the school’s servers and user devices. He attended Sheridan College in Ontario, Canada, where he obtained his computer programming Ontario college diploma.

Lee Carlton — IT Analyst

Serving as THINK Global School’s IT Analyst, Lee is responsible for the coordination, management, and analysis of a variety of systems within the overall suite of technology, including the student information system and school website. He graduated from William Paterson University in 2006, receiving his bachelor’s in business administration, with a concentration in marketing.