Our staff & trustees

Matthew Slotover co-founded the contemporary art magazine frieze in 1991 and the first Frieze art fair in London in 2003. There are now three other Frieze Fairs in New York, Los Angeles and Seoul, as well as Frieze Masters in London. He stepped back from the day-to-day running of Frieze in 2020. He was Chair of the South London Gallery from 2006-2021, and currently serves on the boards of Sadlers Wells, the Arts Foundation, the Walpole Group and Murmur. 

Stephen Deuchar has a wide background in museums, galleries and the history of British art. After completing a PhD, he became a curator at Royal Museums Greenwich and in 1998 was appointed as Founding Director of Tate Britain, overseeing the establishment and first decade of the gallery’s revised role as a centre for historic and contemporary British art. 

From 2010-20 he was Director of Art Fund, the national charity for art, where he re-cast its national role and impact through the introduction of the National Art Pass and a significant increase in fundraising and grant-giving. He is also a Trustee of the British Council, a Trustee of Royal Museums Greenwich, a Trustee of Creative Folkestone, and a Deputy Lieutenant of Kent. He lives in Westwell, Kent. 

Peter Hawkes has lived and worked in Kent throughout a long career in Law. He qualified as a solicitor in 1981 with Furley Page LLP, a Kent-based regional law firm. Peter was appointed Senior Partner of the firm in 2001 and continued in that role until his retirement in April 2021. Peter’s professional practice focused on dispute resolution, and he is a Member of the Chartered Institute of Arbitrators. Peter advised a wide range of commercial clients in both the private and public sector, including not-for-profit organisations. 

Peter has had a long-standing involvement in supporting the arts and has encouraged business engagement in this sector amongst his many contacts and clients. 

Yasmin Khan is Head of Equality, Diversity and Inclusion at Tate where she leads a cross- organisational approach to accelerate engagement and representation, and support Tate’s ambition to have a workforce and audience as diverse as the communities the organisation serves. She worked as a BBC News journalist for over two decades, reporting, producing and editing regional, national and international news programmes. Yasmin also held leadership roles on some of the BBC’s most well-known culture change initiatives including BBC 50:50 The Equality Project, BBC Global Women in News, BBC Apprentices and the BBC Academy’s Creative Leadership Programme. Yasmin chairs Turner Contemporary’s Nominations Subcommittee. She believes that art, culture and creative spaces should be accessible to all. 

Nick Maynard is a Chartered Accountant and strategist who has worked with museums and galleries for over 15 years. Nick qualified with KPMG within the audit practice, before working at the Government Banking Service, the British Museum and as Director of Finance & Resources at Art Fund. In 2019 Nick founded We Are Practice, an accounting and advisory agency that supports emerging business in the creative industries. 

Sarah Briggs has over 25 years' experience working in the artworld across public museums and galleries, commercial galleries and auction houses. She is currently International Head of Strategic Marketing for Phillips. Sarah is passionate about audiences, diversity and inclusion and worked at Tate for 13 years, across both Tate Britain and Tate Modern, developing successful audience-focused marketing strategies. In her current role, she leads a marketing team across multiple global locations who communicate auctions, exhibitions and private sales. 

Sarah is a mentor for Art Market Mentors and has served on the board of the Arts Marketing Association. 

Michel Driessen is an experienced transactions and strategy advisor, having worked in industry and professional services. Passionate about arts, Michel has been Chairman of the EY Arts Committee for a decade working in partnership with the Tate. Previously, he was a Corporate Advisory Board member for the V&A for a full three-year term. Michel is a regular guest lecturer at business schools and author of two business books to date. 

Brian Horton has over 30 years of professional experience in the Housing and Development sector and is a Fellow of the Chartered Institute of Housing. He is the Director at Horton Strategic a housing, development and regeneration consultancy working independently and collaboratively to provide specialist strategic advice to clients in the public, private and third sector. Brian is a Board Member at Gravesend Churches Housing Association and ABC Property Limited, Chair of the Kent Housing Group and the Margate Town Deal Board. Before setting up Horton Strategic, Brian worked as the Strategic Housing Advisor to Kent County Council, Chief Executive of Swale Housing Association and as Head of Housing and Property at Thanet District Council. 

Brian was born in Margate and still lives locally in Birchington and is a passionate advocate for the ‘Turner Effect’ on culture-led regeneration. 

Tanya Barson is Curatorial Senior Director at Hauser & Wirth, with over 25 years of curatorial experience. She was previously Chief Curator at MACBA, Barcelona, and held key roles at Tate Modern, Tate Liverpool, and Tate Britain. 

She has curated major exhibitions for artists including Felix Gonzalez-Torres, Christian Marclay, Georgia O’Keeffe, and Frida Kahlo, as well as thematic shows like Afro Modern: Journeys Through the Black Atlantic. Her work reflects a commitment to expanding global perspectives in contemporary art. 

Cliff McLean is a commercial design and arts brand specialist with over 20 years’ experience in brand transformation projects and collaborations with renowned artists, museums, and luxury brands. Cliff’s expertise spans retail product development, driving successful commercial and marketing strategies, and fostering innovative partnerships. With a passion for merging art and commerce, Cliff endeavours to deliver unique experiences that resonate with diverse audiences and elevate brand presence in the market. 

Charlene Prempeh is the founder of A Vibe Called Tech, a Black-owned creative agency exploring creativity through an intersectional lens. She is also a columnist and contributing editor for Financial Times HTSI, covering design, travel, and culture. After studying PPE at Oxford, Charlene built a career in marketing with the BBC, The Guardian, and Frieze before launching A Vibe Called Tech in 2018. The agency collaborates with brands and institutions like Whitechapel Gallery, White Cube, and V&A East to champion diverse perspectives in arts and culture. She also consults for the Royal Academy of Arts, serves as a Non-Executive Director on the Tate Enterprises board, is a trustee for the Contemporary Art Society, and chairs the Frieze 91 Committee.

Born in Nassau, Bahamas, Alessandro Raho moved to London to study at Croydon College and Goldsmiths College, graduating in 1994. In 1995, he was featured in Brilliant! at the Walker Art Center. By 1996, he was recognized as a rising star in British art, with his work noted in international press. Raho’s exhibitions include Unseen Landscapes (2001), Painting on the Move at Kunsthalle Basel (2002), and a 2003 show at Cheim & Read Gallery in NYC. His portrait of Dame Judi Dench (2004) was commissioned by the National Portrait Gallery. Raho is represented by Alison Jacques Gallery, London.