Leadership Team

The formal responsibility of managing ISH lies with ICRISAT. The Director General of ICRISAT has delegated the day to day operation of ISH to the Head of School. ICRISAT has created an Advisory Board to guide the Principal in managing the school.

The school is divided into Elementary School and  Secondary School divisions. The Elementary School comprises Toddler through Grade 5 and the Secondary School comprises Grades 6-12 (with coordinators for middles school, 9-10th grades and 11-12th grades).



Dr. Oli Tooher-Hancock

Head of School



Oli is a British/Irish national with over 25 years experience in education and leadership, 22 years of which have been in IB international schools in Spain, China, Japan, Sri Lanka and Peru. She holds a doctorate in Educational Leadership from Lehigh University in the U.S.

Oli taught IGCSE, and IBDP History for many years and was an IB Diploma Coordinator for 10 years in the Asia Region. She has been a secondary principal an assistant head of school in two international schools and this is her first headship. She has experience leading curriculum and professional development, whole school community service and experience with CIS, WASC, MSA and NEASC accreditation as well as IB authorization visits. Oli is a Board member for the Association for the Advancement of International Education (AAIE) and a PTC Trainer.



Mr. Andrew Nicholson

Head of Secondary



Andrew is Australian by birth – but international in outlook. He joined ISH in August 2015, having previously been working in international schools in Sudan, Peru, Sri Lanka, Romania, Qatar, and Australia.

Andrew obtained his BSc degree many years ago in Melbourne – and was an aspiring marine biologist. He subsequently worked in hospitality, traveled for a year and gained the realisation that education was more of a passion. He returned to university to complete his Graduate Diploma. Andrew has completed several leadership courses – including the Certificate of International School Leadership from the PTC; worked as an IBDP Biology examiner for many years; and held positions in previous schools such as Head of Department (Science and Maths), Activities Coordinator, IB Coordinator, and Curriculum Coordinator.

Andrew is also an avid coach/player of many sports, and also enjoys working with students in service learning activities and drama productions.



Mr. Nick Neubert

Head of Elementary

Nick has been an educator for the past 24 years and has worked in both the elementary and middle school divisions. Prior to his position here at ISH, he was a principal in Auckland, New Zealand. Nick brings to ISH extensive experience in curriculum and assessment design, particularly in the areas of critical literacy and thinking-based learning. He brings a deep passion for and commitment to elementary education focused on building global perspectives and thinking citizens.

Having travelled and lived in India previously, he is very excited to be part of our vibrant and culturally rich community.


Tony Bellew


Mr. Tony Bellew

Head of Teaching & Learning


Tony was previously a high school Deputy Principal, also an experienced Curriculum Director with a demonstrated history of working in the education management industry. Skilled in both secondary and elementary education, Tony is a strong education professional with a Master of Arts (M.A.) focused in International and Comparative Education from Oxford Brookes University.

In his spare time, Tony likes to follow his wife Jan on Twitter.