Joseph MacInnis is a medical doctor and author who spent 30 years of his life studying the psychology and physiology of men and women working under the sea. Between 1964 and 1994 he logged more than 5,000 hours under the Pacific, Arctic and Atlantic Ocean, as well as the Great Lakes. MacInnis uses his undersea experiences to explore the relationships between the natural world and humans.

In 1970 MacInnis was asked by the Canadian Prime Minister to help write Canada’s first national ocean policy. At the same time, the government supported him in leading the first diving expeditions to the Arctic Ocean. Here he studied the techniques needed to work safely under the ice in the near-freezing waters.

MacInnis was an advisor to the Titanic discovery team and in 1987 when they made their first dive to the wreck. In 1991 his position was crucial as co-leader of a $2m expedition to film Titanic in the Imax giant-screen in one of the most daring deep sea projects in history, an expedition that inspired the Hollywood film.

Dr. MacInnis, worked alongside James Cameron, the Academy Award-winning director, on a series of deep-sea documentaries. In 2003, he accompanied Cameron and his team on a 14 million dollar, two-month, expedition into the Pacific and Atlantic Oceans. The footage they captured was edited by Cameron into a 3-D Imax film called Aliens of the Deep. In 2005 Both the film and Dr. MacInnis’ companion book were released in.

MacInnis has written ten ground-breaking books which include Titanic Dreams, Saving the Ocean, Underwater Images and Breathing Underwater. His incredible work has earned him several distinctions which include the Queen’s Anniversary Medal, five honorary doctorates, and the Order of Canada.