Dr. Matthias Hammer is the founder and Field Operations Director of Biosphere Expeditions, an organisation that runs wildlife conservation expeditions to all corners of the Earth.

Matthias Hammer was born in Germany and went to school there, before joining the Army at 18, and serving for several years amongst other units with the German Parachute Regiment. After active service he came to the UK and was educated at Christ Church, Oxford (studying for a BA in Biological Sciences), and King's College, Cambridge (studying for a PhD in Biological Anthropology). During his time at university he either organised or was involved in the running of several expeditions, some of which were conservation expeditions (for example to the Brazil Amazon, Madagascar, and the Indian Himalayas), whilst others were mountaineering/climbing expeditions (for example to the Russian Caucasus, the Alps, the Rocky Mountains, or the Seychelles).

With Biosphere Expeditions he has led teams all over the globe. He is a divemaster, ski instructor, mountain leader and survival skills instructor. He lives in Bavaria, Germany.