Taber MacCallum

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Taber MacCallum is one of the original crewmembers of Biosphere 2. As one of the eight participants of the two-year mission inside the three-acre materially closed ecological system, MacCallum served as the team's analytical chemist.

In 1993, MacCallum co-founded Paragon Space Development Corporation with several engineers and fellow biospherian and wife Jane Poynter. He is currently CEO and Chairman of the Board for Paragon. Using Paragon's Autonomous Biological Systems, he was the Principal Investigator on four microgravity experiments on the Space Shuttle, Mir Space Station and International Space Station.

MacCallum is involved in the design of life support and thermal control systems for commercial manned suborbital spacecraft, as well as hazardous environment life support technology development for the US Navy divers. Taber MacCallum has also functioned at every level of command on a research vessel, sailing to over 40 ports and more than 30,000 miles around the world. He is a certified Dive Controller and Advanced Open Water Diving Instructor.

MacCallum currently resides in Tucson, Arizona with his wife, fellow biospherian, business partner and author Jane Poynter. Taber and Jane married a year after exiting Biosphere 2.