Guy Edward Blelloch is a professor of computer science at Carnegie Mellon University.

[2] Blelloch went to Swarthmore College and graduated in 1983 with a BA in Physics and BS in Engineering.

[3] He graduated in 1988 with a dissertation titled Vector Models for Data-Parallel Computing.

[2][3] Blelloch joined Carnegie Mellon University in 1988[2] and has taught courses on parallel algorithms and data structures.

[2] He was the recipient of the 2023 ACM Paris Kanellakis Theory and Practice Award for "contributions to algorithm engineering, including the Ligra, GBBS, and Aspen frameworks which revolutionized large-scale graph processing on shared-memory machines".