Our Trustees


Calin Andrei


Calin holds a BMus degree from the Royal College of Music in London where he studied with Yuri Zhislin and a LRSM Teaching Diploma awarded by the ABRSM. He is currently a music teacher at Falkner House School.

As a former resident of William Temple House, Calin is very excited to have been appointed a trustee and bring his contribution to the House. He is a member of both Executive and Management Committees, and the lead of Student Welfare Subcommittee.

Residents also have Calin to thank for spearheading the campaign to keep Schweiny the cat.

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Edward Woods

Edward is a partner in a global alternative asset management firm based in London.


He has been a trustee since 2004 and became involved as a result of family connections with the founding of the House, as well as through a commitment to its charitable aims and its Christian faith.


Christopher Schiele
, Management Committee Chair

Christopher was a resident in William Temple House for over four years, during which time he made many good friends and helped adopt resident cat Schweiny. He became a trustee in 2018, and is keen to ensure the house continues to run smoothly and provide safe and high-quality accommodation.

Christopher works as a Chartered Town Planner for a private town planning consultancy and advises on major regeneration projects nationwide. He enjoys travelling, playing and watching sports, and ordering books on architecture.


Baskar Sundaram


Baskar is a Chartered Accountant and Chartered Manager, with qualifications in electrical engineering, accounting, coaching, finance, law, proposal and project management.

Baskar arrived at William Temple House in 2003 as a student, and staying on as Sub Warden. The WTH bursary scheme and accommodation enabled him to stay in the UK, and he credits his success to his warden as well as the trustees, who he joined in 2015. 

Fun fact: Baskar met his wife Junko at the House, and eleven friends from WTH attended (and performed at) their wedding in Kyoto, Japan.  


Valeria Martinelli
Trustee, Treasurer

Valeria became a trustee in 2011. Having worked as a bookkeeper for many years, she was appointed Treasurer soon after, to allow the existing Treasurer to step down.  She has dedicated some of her time with the charity modernising and refining some of the accounting systems and procedures.


In pre-Covid times she enjoyed taking the students out for walks exploring the Sussex countryside.  She has also been delighted to get to know dozens of very talented young residents, whether artists, dancers, musicians, or students of various sciences that remain a complete mystery.

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Ishan Abeysekera


Originally from Sri Lanka, Ishan lived in William Temple House from 2012 to 2014 whilst studying for an MSc in Earthquake Engineering at Imperial College London. His father was also a resident in the  


Ishan currently works as a structural engineer in London. He is also a member of the Europe-wide working group drafting the codes of practice (Eurocodes) for engineering design in Europe (including the UK).

In his spare time Ishan enjoys sailing, climbing and reading. 

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Stephen Gruppetta

Stephen has been a trustee at the charity since 2005, serving on the Management Committee until 2021 and holding the position of chair for some of that time. Before joining as a trustee, Stephen was a resident at the house during his PhD studies at nearby Imperial College.


Following a career as a research scientist, Stephen now runs a company focused on coding education for children and adults.

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David Cobb

Trustee, Executive Committee Chair

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Father Paul Bagott