Excerpt: Deep-sea doctor Joe MacInnis on high-pressure
management situations  How a risky dive to the wreck of the
Titanic offered a memorable lesson in leadership  Ralph
White/Corbis  Joe MacInnis has been a part of some of the most
historic deep-sea dives ever attempted. A Canadian doctor with
an expertise in dive medicine, he has led teams that performed
the first scientific dives at the North Pole, created the first
polar undersea station and discovered the northernmost
shipwreck, the HMS Breadalbane, which sank in the Northwest
Passage in 1853. MacInnis was also one of the first people to
dive to the Titanic and more recently worked as a physician on
James Cameron’s Deepsea Challenge expedition—a solo dive to the
deepest point on Earth in the Mariana Trench. In his book, Deep
Leadership: Essential Insights from High-Risk Environments,
MacInnis draws on his experiences and relationships with fellow
adventurers to identify some of the traits that make great
managers and leaders.  “Tomorrow, you’ll dive to