Board of Management

St Martin’s board members reflect a broad spectrum of experience and expertise. We have a range of distinguished individuals with extensive and professional knowledge of mental health, governance, finance and management.


Tim Bishop

Tim began his social work career in Islington and has more than 40 years of experience working in health and social care and has held senior strategic roles in adult social care and within NHS organisations. He has also held a number of non-executive roles in the public and not for profit sectors. Amongst other roles he is a member of the Assurance Committee of the  Professional Records Standard Body; and a Trustee and the vice chair of the Camphill Village Trust. He was the Independent Chair of the Northamptonshire Safeguarding Adults Board for four years; a Non-Executive Director on the board of Optalis a Local Authority Trading company that provides social care in Berkshire and a lay member and then vice chair of an NHS CCG.

Deputy Chair

Ian Child


Ian is a qualified accountant with wide experience in finance and management from both the public and private sectors. His recent experience is within the healthcare sector supporting improvements in governance and efficiencies.

Ian is also part of the East of England HFMA committee supporting learning and development for finance personnel in healthcare and a treasurer for his local cricket club.



Dr Selina Siak


Selina joined the Board of St Martin’s in March 2019 and became its Treasurer in May 2020. She was attracted to St. Martin’s for its ethos, having battled depression herself. Selina is a qualified finance professional with extensive Board experience gained during an 18-year career encompassing senior advisory roles in the City of London, including nearly a decade at Goldman Sachs, followed by an entrepreneurial stint of quantitative investing and trading. Since 2007 she has worked with boards in a non-executive capacity. In addition to being a St Martin’s trustee, she is an independent member of the Business Development, Growth & Investment Committee of the Livv Housing Group.

Prior to working in finance, Selina was a research physicist at St. Catherine’s College, Oxford. She holds a Ph.D. in Theoretical Condensed Matter Physics and the CFA charter.

Selina is also a published novelist with two acclaimed works of historical fiction under her belt. When not working, she can usually be found on the water in a kayak or atop a paddle board.

Carlos Thibaut

Board Member

Carlos Thibaut

Carlos has over 35 years’ experience in Financial Services.  His career began in Building Societies, he then went on to hold a number of senior leadership roles in Legal and General, including Direct Sales, Housing, Estate Agency and Bancassurance. He became a Board Director of various Legal and General subsidiaries and a Non-Executive Director of Alliance and Leicester Life Assurance Company. He became Group Managing Director of Lifetime Group in 2004 and became CEO of 360Dotnet Ltd,leading the business from specialised back office system to the fastest growing CRM in the mortgage market,with over 20% market share.He is a Board Trustee of St Martin of Tours Housing Association and NED and advisor for a number of start up businesses in the leisure and edtech sectors.he has been a Board Member of the SMP since 2019. Carlos was appointed Chair of the Society of Mortgage Professionals in January 2022

Board Member

Chyrel Brown

BA (Hons), Foundation Degree, CIPD 7


Board Member

Liz Green

BA (Hons), DipM

Liz has been a Councillor in the Royal Borough of Kingston upon Thames since 2002, undertaking various roles including a period as Council Leader.

She is currently the Council’s chair of Audit, Governance and Standards Committee.

She is also the vice-chair of the Local Government Association’s Improvement and Innovation Board, an accredited peer, coach and facilitator.

Her work includes training Councillors, from all political parties and independent, and public sector management in Leadership skills to improve local services.

Prior to being elected, Liz worked in business to business marketing and communications.

Mental health issues are particularly an interest for Liz and she is also the chair of trustees for Friends of Anstee Bridge, an organisation that supports young people with social, emotional and mental health problems through creativity.


Board Member

Viktar Zaitsau


Viktar brings experience in construction, data centres capital and lifecycle projects, energy performance contracts & contract management, with an outstanding track record of delivering sustainable business results, building high performing teams, regional business development, motivation of teams, functional alignment, able to stipulate a clear vision, form a winning strategy & align direct and matrix organisation behind its execution.

Viktar completed a distant learning MBA from Durham Business School building on his skills in operations management and business development, and expanding his business knowledge into finance, accounting, general management, operations, marketing, technology innovation, management consulting, new venture creation, entrepreneurship, strategy and leadership.

Viktar obtained a MSc degree with distinction in Building Services Engineering & is a Chartered Engineer with CIBSE. Viktar is also a published author of three books on MEP construction management and Energy Performance Contracts.

Board Member

Nick Jones

Appointed as Chief Executive and Registrar of the General Chiropractic Council (GCC) in February 2019, responsible to the Council for the running of the organisation ensuring that the GCC meets its UK-wide statutory responsibilities.

Early career in social housing, working in local authority, homelessness services, and consultancy. Joined the the UK housing regulator in 1999 and in 2002 switched to ‘system healthcare regulation’ in the UK working in a range of senior roles. From 2010 he was a Director at the Human Fertilisation and Embryology Authority, the government regulator responsible for making sure fertility clinics and centres undertaking embryo research met legal requirements, leaving in 2019 to join the GCC.

He has served as a non-executive Director of East Thames Housing Group for five years and from 2007-2017 was a board member of Clarion Housing Group, chairing the community foundation and serving on the Treasury Committee, as well as Chairing resident committee for several years.