He worked out of Harvard, but not on toothpaste. He was part of a classified U.S Army experimental program called Kelvin Genetics. They gave him the resources to do whatever work he wanted, which was primarily in an area called Fringe science.
“I’ve thought of a hundred reasons why you should come back, to… to fight the shapeshifters, to… take care of walter, to… save the world. but in the end, you have to come back, because you belong with me.”