WASHINGTON–(BUSINESS WIRE)–Hydrosat, a company developing an infrared satellite constellation, announced that Dr. Joshua Fisher is joining the company as Science Lead. Fisher comes to Hydrosat from the Jet Propulsion Laboratory (JPL), where he most recently served as the Science Lead on NASA’s ECOSTRESS mission. “We are thrilled to add Dr. Fisher to our team,” Hydrosat CEO Pieter Fossel said in a statement. “Josh is one of the world’s leading researchers using thermal satellite data for envir