Srivatsan Balasubramanian has been working with Facebook, Hong Kong, for the past two years, with the primary role of designing the Facebook optical network and evolving the the multi-layer IP/optical network model for the Facebook backbone. Prior to this, he has had 6 years of network design experience with Infinera, Bangalore, and two years of software development experience at Cisco, California. Srivatsan did his Ph.D. in Computer Engineering at Iowa State University, USA, in the field of optical network design and optimization after a M.S. in Electrical Engineering from Rensselaer Polytechnic Institute, USA, and a B.E. (Hons.) in BITS, Pilani, India. He has co-authored more than a dozen papers in IEEE and OSA International Conferences and Journals.