Krishna Bala is currently CEO and President of Xtellus, a company that designs and manufactures advanced optical components and systems for dynamic optical networks. Krishna was the co-founder and CTO of Tellium, a successful optical networking company. He holds nine patents. Previous positions also include senior research scientist at Bell Communications Research. He holds a Ph.D. in electrical engineering from Columbia University, where he published one of the earliest dissertations in routing algorithms for optical networks.