Before joining Corelight, Greg served in a series of leadership roles at Lawrence Berkeley National Laboratory: Director of the Scientific Networking Division, Director of the US Department of Energy's high-performance mission network ESnet, and Chief Technology Architect in the Office of the CIO. As ESnet Director, Greg oversaw deployment of the world's first 100G network at continental scale, the world's first 400G production link, and many other networking and systems innovations in support of data-intensive science. Greg also serves on the board of CENIC, the high-performance public network interconnecting 20 million Californians (including the vast majority of K-20 students) and vital public-serving institutions. Greg has a Ph.D. from UC Berkeley and an A.B. from Harvard.