Joshua is an enthusiastic and experienced art historian and lecturer who thoroughly enjoys sharing his love and knowledge of fine art, photography and design with an audience. He is an experienced lecturer in 19th and 20th century European and American art, international contemporary art, photography, design and architecture. Teaching for 20 years at Christie’s, he can provide a lecture or study day with his listed talks or create bespoke talks on request, for example to coincide with a temporary exhibition, special event or anniversary. At Christie's, Joshua was director of The London Art Course and other courses in the field of modern and contemporary art, ranging from Impressionism and Surrealism to photography and modern sculpture. He has also taught on the client VIP courses for the Chairman's and President's offices at Christie's, the world's biggest art company. Drawing on his media experience as a former BBC journalist, Joshua is also a founder and presenter of The Art Channel, an online project documenting and interpreting art exhibitions and artworks in museums and commercial galleries. The channel has now received two million views.