Geoffrey Parker is a professor of engineering at Dartmouth College and a visiting scholar and research fellow at the MIT Initiative for the Digital Economy. Before joining academia, he held positions in engineering and finance at General Electric. He has made significant contributions to the economics of network effects as co-developer of the theory of two-sided networks. Parker's work has been supported by the Department of Energy, the National Science Foundation, and numerous corporations. Parker advises senior leaders in government and business and is a frequent speaker at conferences and industry events. He received his BS from Princeton and his MS and PhD from MIT.