Wildlife enthusiast and the creator, writer and producer of Zoboomafoo, Kratts' Creatures, and other popular educational shows.
He earned a B.A. in biology from Carelton College, Minnesota, in 1992.
He received funding for his ecology studies from the Explorers Club and the National Science Foundation.
He and his brother Martin started a new series, Wild Kratts, in 2011. He married Tania Kratt and together they had two sons.
He and his brother hosted a TV series, Creature Adventures, that was set at Dolly Parton's amusement park, Dollywood.