Career
He is research scientist at the Department of Mammalogy of the American Museum of Natural History. In 2004, he described the bat species Lophostoma yasuni from the Yasuni National Park in Ecuador (together with René M Fonseca). In 2006, he was among a team (including Roland Kays, Kristofer M Helgen, Lauren Helgen, Don East Wilson, and Jesús East Maldonado) who did research work on a new olingo-like carnivore in the Ecuadorian Andes which was scientifically described as olinguito in 2013.
In 2012, he was recipient of the Albert R. and Alma Shadle Fellowship In 2013, he described the new shrew opossum Caenolestes sangay from Ecuador.
