David teaches courses on regulation and public management. Lazer has an overarching interest in the process by which connections emerge among actors and the consequences that the resultant network has for individuals and the system. He recently edited (with Viktor Mayer-Schoenberger) Governance and Information Technology: From Electronic Government to Information Government. He has also written extensively on the use of DNA in the criminal justice system. Finally, he is an authority on social network analysis, with a series of papers on the diffusion of information among interest groups and between interest groups and the government. He holds a PhD in political science from the University of Michigan.