Staff and Trustees

Gavin Ambrose

Gavin Ambrose teaches the Graphic Design BA at the University of Brighton. He is an author, educator and practicing graphic designer whose client base includes the art sector, galleries, publishers and advertising agencies. He has written and designed numerous books on graphic design, branding and packaging, including Layout for Graphic Designers and The Fundamentals of Graphic Design.

Mathew Clayton

Mathew Clayton is Senior Editor at the book publishing company Unbound.

He has previously worked for Random House, Channel 4, The Guardian and the Port Eliot Festival.

David Tibble

David, a qualified chartered accountant work in industry for 20 years culminating in becoming the group finance director of a FTSE 100 company. He then spent almost 20 years working with Warburg Pincus private equity on multiple acquisitions including leading two start ups one of which was floated on the NYSE.

For the last decade has worked with start ups in London & Norfolk, fund raising for UEA, sponsorship, and being the chair & vice chair of a school multi academy trust based in Norfolk. He has lived in the area for the past 40 years and recently moved into Ditchling.

Nathaniel Hepburn

Nathaniel Hepburn was Director and CEO of Ditchling Museum of Art + Craft from 2014 – 2017 and now leads the team at Charleston which recently opened a second site in central Lewes. He is Deputy Chair of the Association of Independent Museums; a Board member of the Local Visitor Economy Partnership; and has served on the board of Culture East Sussex for over a decade. Nathaniel returned to Ditchling as a Trustee in April 2026 on a fixed term to support the charity during the period of closure.

Lavinia de Nazelle

Lavinia is a Managing Associate within the law firm Mishcon de Reya’s Private Department. Lavinia’s practice focuses on complex disputes, particularly in those involving art, luxury property and high-value assets. Her work involves advising collectors, artists, dealers, galleries and cultural institutions across a range of contentious, transactional and advisory matters including ownership, intellectual property, fraud, compliance and governance. Her strategic approach is informed by her comprehensive understanding of the art world and its legal challenges, bolstered by significant secondments at leading national museums and galleries.