Geoffrey G. Parker is the Charles E. Hutchinson Professor of Engineering Innovation at Dartmouth College, Faculty Director of the Arthur L. Irving Institute for Energy and Society, and a Fellow at the MIT Sloan School’s Initiative on the Digital Economy (IDE). Parker has made significant contributions as co-developer, with Marshall Van Alstyne, of the theories of two-sided markets and the inverted firm. He is co-author with Van Alstyne and Sangeet Paul Choudary of the book “Platform Revolution,” published in ten languages.