Phone: 412-681-8398
Fax: 412-268-6298
Office: 6707 Gates-Hillman Complex
Carnegie Mellon University
5000 Forbes Avenue
Pittsburgh, PA 15213

Secretary: Not really


  • I met my wife Julie (née Van Allen) at Vassar College in 1968 and we have been together ever since. We were married in 1973 in Washington, DC and renewed our vows on the island of Tobago in 1998. She is a graduate of Vassar and earned an M.S. in Techology of Management from American University in 1973.
  • Our daughter Josselyn was born in 1982. She has a B.A. from Chatham College and an M.A. in Communications from Ohio State. She married Dan Crane in 2008. They subsequently divorced. Josselyn live in the Shadyside area of Pittsburgh, less than 3 blocks from our house. The Crane's daughter Harlow was born on April 9, 2010. Her brother Bishop was born on July 13, 2012.
  • and was married to Rebecca Santos (now Shamos) in January 2018. Their daughter, Amelia Eleanor Shamos, was born April 17, 2019.


I love travel and have visited 77 countries and 54 Caribbean islands:

Countries Visited

The format of this home page was designed by Duen Horng ("Polo") Chau for Prof. Brad Myers of the CMU Human-Computer Interaction Institute.