Amir Michael, founder and chief executive of Coolan.

Facebook infrastructure guru Amir Michael launches data center analytics startup Coolan

First at Google, and then at Facebook, Amir Michael found out how hard it is to build and maintain the ultimate data center, where all infrastructure runs efficiently. Now Michael is launching Coolan — a startup with software that can help companies big and small track hardware performance, debug their gear faster, and make better buying decisions based on insights from the software.