Christopher Hamlin Martenson (born September 15, 1962) is an economic researcher, writer and trend forecaster interested in macro trends regarding the economy, energy composition and environment. In 2008 he released YouTube videos he called The Crash Course divided into 19 short video chapters of problems in the non-sustainability of our economy, energy and environment. He is the cofounder of PeakProsperity.com.
Martenson holds a PhD degree in pathology from Duke University in 1994 and an MBA degree from Cornell University in 1998. He followed a post-doctoral program at Duke University, where he specialized in neurotoxicology. Martenson is a fellow of the Post Carbon Institute.