Alfred Spector

Alfred Zalmon Spector is an American computer scientist and research manager. He is CTO of Two Sigma Investments.

Spector received his Bachelor of Arts degree in Applied Mathematics from Harvard University, and his PhD in computer science from Stanford University in 1981. His research explored communication architectures for building multiprocessors out of network-linked computers and included measurements of remote procedure call operations on experimental Ethernet. His dissertation was titled Multiprocessing Architectures for Local Computer Networks, and his advisor was Forest Baskett III.

Spector was an associate professor of computer science at Carnegie Mellon University (CMU). While there, he served as doctoral advisor to Randy Pausch, Jeff Eppinger and Joshua Bloch and seven others. Spector was a founder of Transarc Corporation in 1989 which built and sold distributed transaction processing and wide area file systems software, commercializing the Andrew File System developed at CMU. After Transarc was acquired by IBM, he became a software executive and then vice president of global software and services research for IBM and finally vice president of strategy and technology within IBM's Software Group.

Spector joined Google as vice president of research in November 2007 and retired in early 2015. In October 2015 he was hired by quantitative hedge fund Two Sigma Investments to serve as the CTO.

Spector is involved with academic computer science and has served on numerous advisory committees, including chairing the NSF CISE Advisroty Committee from 2004-2005; various university advisory committees incluging at CCNY, CMU, Harvard, Rice and Stanford. He has served on the National Academy Computer Science and Telecommunication Board from 2006 to 2013 and chaired the Computer Science and Engineering Section of the National Academy of Engineering.

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