About Us

Steve has been investing in residential housing for over 20 years, providing safe and affordable homes to families whose needs are not met in the open market. He has a longstanding commitment to social causes and is passionate about using his expertise to tackle the UK’s housing crisis, while creating genuine growth opportunities for investors.

He’s also an experienced technology consultant, and has worked with CIOs and senior executives to deliver complex digital transformation programmes across a number of large, multinational firms – including Accenture, BP and BAE Systems. Steve holds a Masters Degree in Chemical Engineering and French from Imperial College, London.

Tarn will help to expand KeyStone’s work to Cornwall and other suitable locations around the country.

Tarn is currently the CEO at Cornwall Neighbourhoods for Change where she has been instrumental in developing and delivering a range of essential services to the local community including employment and education. She has previously held a number of roles including Head of Finance, Fundraising and ICT at Bromley by Bow Centre, and Head of Equalities and Social Inclusion at London East TEC. Tarn is a member of the England Committee for The National Lottery Community Fund and holds a Law Degree from Queen Mary, University of London.

Until 2020 Fran was CEO of a Sheffield housing charity, Nomad Opening Doors where she led the organisation from a position of vulnerability and threatened closure to financial resilience and growth. During her tenure, she founded Nomad’s trading arm, Four Trees Lettings. Four Trees provides professional management services in the private rented sector, generating revenue for the charity and increasing the quality, availability and affordability of housing.

Fran has spent the last two years supporting purpose-driven organisations as a consultant and advisor, focusing on fundraising, strategic development, and leadership and culture. She is also the co-founder of tech-for-good startup, Accessible Communications Limited, the company behind Family Phone. Fran is a voluntary director of Sheffield Social Enterprise Network.