Mark was co-founder of the wildlife tour operator Discover the World, which specialises in safaris, whale watching, shark diving and other activity holidays in unusual natural world destinations. He is now retired as Director. He also co-founded WildOceans, which is the sister company of long-established WildWings, and for several years led tours for the Whale and Dolphin Conservation Society.

Mark will be leading a variety of exciting trips over the next couple of years, from the Antarctic Peninsula to the Galapagos.

And there is one favourite trip that Mark somehow always makes time for - his annual pilgrimage to the best whale-watching destination in the world, Baja California, on the Pacific coast of Mexico. If you are interested in coming along, please Click here for more details.