David Williamson is one of the elders at New Life Presbyterian Church. He was previously a founding elder at Trinity Presbyterian Church in Rye, New York, and helped start Grace Presbyterian Church in Palo Alto, California. He has a Ph.D. in Computer Science from the Massachusetts Institute of Technology, and is a professor in the School of Operations Research and Information Engineering at Cornell University. He is married to Ann Williamson. They have three children: Abigail, Daniel, and Ruth.