Graphic of Twymholm MansionsThe SBHA board is our governing body. We are regulated by the Regulator of Social Housing.

We make sure of sound leadership and direction at board level. Our board has 12 members and is made up of members with a diversity of backgrounds. The Rules of the Association state that one third of members must be tenants and we have a long and proud history of tenant involvement, including two past tenant chairs. Two of our 12 board members are from Resident Voice.

Our board meets quarterly to steer our strategic direction.This is given through our 2018 to 2023 Corporate Strategy. Our executive team is responsible for delivery of our objectives within the business plan.

SBHA board
Russell Caller


Russell has been managing partner at Gillhams Solicitors LLP, a law firm in north west London, for the past 15 years. Previously chair of Ealing Homes from 2009 until 2011, and vice chair of Enfield Homes from summer 2014 until March 2015. Russell is the founder of a mediation services company. He is also a Centre for Effective Dispute Resolution (CEDR) Accredited Mediator. He's an experienced public speaker and regularly lectures on legal subjects to social welfare organisations, charities and government bodies.

Nana Banton  

Nana Banton, a consultant working with companies ranging from FTSE 100 to SMEs, brings 15 years’ experience in business transformation and change management in the private and public sectors; including health, telecoms, logistics, international development and Central Government.

Dave Bradley  

Dave Bradley is Director of People & Culture, Retail at Primark, and has extensive experience at director level at organisations including Metropolitan Housing, EY and ASDA as well as experience in manufacturing, logistics, financial services, energy, aviation and real estate.

Roy Clark Directly elected resident representative

Roy has spent his professional life working in higher and further education. Currently a senior lecturer in photography and imaging, he has also taught courses in digital media design and media.

Colin Goodwin  

Colin is a chartered surveyor and independent consultant with over 35 years’ prior experience in the UK property industry, including 12 as a fund manager within the UK arm of one of the leading global investment managers. He has a proven ability in fund and portfolio management having won two industry awards. His experience includes development procurement across a wide range of property assets. He is a member of the Property Investment Committee of the Diocese of Rochester and Chair and Trustee of Bromley Scouts. Colin is a Patient & Family facing volunteer with St Christopher’s Hospice.

Matt Harrington  

Matt is a Fellow of both the Institute of Chartered Accountants and Leadership Victoria.  He commenced his career in practice with Arthur Andersen, before transitioning to commerce, where he has over 15 years experience in senior finance executive roles at multi-national organisations, including ANZ Bank, Aviva Insurance, GE Capital, and RSA Insurance Group plc. Matt is currently Finance Director - Commercial Lines with RSA.

Michael McGowan  Directly elected tenant representative

Michael has been a resident of SBHA for over 30 years. He has been actively involved with SBHA for over ten years, and was previously the chair of our Resident Voice and a board member.

Now retired, he worked in retail and the catering industry so has real experience and an understanding of the need for first class customer service and the importance of having residents involved.

Shani Mashhood  

Shani Mashhood is Head of Digital Monitoring at the BBC with extensive experience of change management, business performance improvement and transformation as well as managing leading edge transformational technology solutions and projects providing growth and innovation across public and private sector.

Helen Mitchell




Helen commenced her career as a barrister, before transitioning to the public sector where she has more than 15 years’ experience in a variety of legal, commercial and policy roles. She currently works in UK Government Investments on a variety of corporate governance and corporate finance projects.

Malcolm Twite Vice Chair

Malcolm is a chartered surveyor with over 25 years’ experience, formerly as Head of Corporate Real Estate at Network Rail and Head of Group Property at the Department for Transport. He is now the commercial director of Community Health Partnerships.

SBHA is registered with the Regulator of Social Housing and is a Community Benefit Society, registered as a Mutual Society with the Financial Conduct Authority (No 16442R). SBHA is a National Housing Federation (NHF) and Housing Association Ombudsman scheme member. SBHA complies with the NHF Code of Governance.

As of November 2018, SBHA holds Governance Rating 1 and Viability Rating 2 with the Regulator of Social Housing. Both of these ratings are fully compliant.