Martha Elizabeth Pollack (born August 27, 1958)[1] is an American computer scientist who served as the 14th president of Cornell University from April 2017 to June 2024.

[2][3] Pollack's research specialty is artificial intelligence, where her contributions include works in planning, natural language processing, and activity recognition for cognitive assistance.

[2] She earned master's and doctoral degrees in computer science from the University of Pennsylvania, completing her Ph.D. in 1986 under joint supervision of Bonnie Webber and Barbara J.

[21][22] As Cornell president, Pollack made changes to Greek Life on campus, banning hard alcohol at fraternity and sorority events, suspending chapters suspected of hazing, and requiring a full-time live-in advisor for each fraternity and sorority house.

[25] In January 2024, Pollack came under scrutiny by Jason Smith, chairman of the U.S. House Ways and Means Committee for the university's response to anti-semitism.