Three companies founded by star University of Wisconsin-Madison stem cell researcher James Thomson are merging into a single entity that aspires to be a world leader in the field.
Under a deal announced Monday, Cellular Dynamics International is joining forces with Stem Cell Products Inc. and iPS Cells Inc. Backed by $18 million in private venture capital, the new company is keeping CDI (nyse: CDI – news – people )’s name and its headquarters in Madison.