Professor Martin Kemp is an art critic and an authority on Leonardo da Vinci. He authenticated the Leonardo painting Salvator Mundi, and attributed the painting La Bella Principessa to Leonardo. He is Professor Emeritus of Art History at Oxford and a Fellow of Trinity College, Oxford.

Martin Wilson is a specialist in art law with extensive experience in global art transactions and resolving disputes. He currently holds the position of Chief General Counsel and Head of Fiduciary Services at Phillips, an international auction house with its headquarters in London and New York, and offices all over the world. He previously served as Global Managing Director and General Counsel to the President’s Office for Christie’s.

Professor John Finnis is the leading philosopher of natural law. He also successfully nominated Aung San Suu Kyi for the Nobel Peace Prize and has been one of Australia's foremost constitutional advisors. He is Professor Emeritus of Law and Legal Philosophy at University College, Oxford.