Martin William Kratt (born December 23, 1965) is an American zoologist, educational nature show host and YouTuber.

He and his younger brother Chris grew up in Warren Township, New Jersey,[3] They attended Watchung Hills Regional High School.

Shortly after graduating from Duke, Martin worked with Dr. Patricia Wright in Madagascar as well as Dr. John Terbogh in the Peruvian Amazon rainforest.

Martin married Laura Wilkinson in 2000 and has two sons, Ronan (born 2003), a soccer player[6] and Gavin, a punk rapper, both of whom have had roles on Wild Kratts.

As of 2008, Martin and his brother Chris lived in Ottawa, Ontario,[7] where their series Wild Kratts was produced.