Researchers in computer systems, networking, security, databases, and programming languages

P. Pandurang Nayak

P. Pandurang Nayak, known as Pandu Nayak, is an Indian-American computer scientist and Chief Scientist for Google Search, elected to the National Academy of Engineering in 2024.

Paramvir (Victor) Bahl is an American computer scientist at Microsoft Research, known for pioneering work in wireless networking and indoor localization, elected to the National Academy of Engineering in 2025.

Pat Holmes Sterbenz

Pat Holmes Sterbenz (born 1927) is an American mathematician whose 1974 Prentice-Hall book Floating-Point Computation first published Sterbenz's lemma, a key exactness result in floating-point arithmetic.

Patricia Selinger

Patricia Selinger is an American computer scientist who invented cost-based query optimization while leading IBM's System R team, and was elected to the National Academy of Engineering in 1999.

Paul D. Clayton

Paul D. Clayton is an American medical informatics researcher who built computerized decision support into hospital care at Utah and Columbia, and served as AMIA president.

Paul England (computer scientist)

Paul England is a computer scientist and hardware-security engineer who spent 27 years at Microsoft and was elected to the National Academy of Engineering in 2019.

Paul Mockapetris

Paul Mockapetris is an American computer scientist who invented the Domain Name System (DNS) in 1983 at USC's Information Sciences Institute and operated its first root servers.

Peter Chen (Taiwanese-American computer scientist)

Peter Pin-Shan Chen (陈品山) is a Taiwanese-American computer scientist who formalized and popularized the entity–relationship model in his 1976 paper, one of the most cited works in computer science.

Peter Gutmann (computer scientist)

Peter Gutmann is a New Zealand computer security researcher at the University of Auckland, known for the 35-pass Gutmann wipe method and the cryptlib security toolkit.

Peter Naur

Peter Naur (1928–2016) was a Danish computer scientist who edited the 1960 Algol 60 report, helped establish Backus-Naur Form, coined "datalogy", and won the 2005 Turing Award.

Peter O'Hearn

Peter O'Hearn is a computer scientist whose separation logic enabled tractable reasoning about program memory, and whose Infer analyzer found hundreds of thousands of bugs at Facebook.

Peter V. Coveney

Peter V. Coveney, also known as Peter Coveney, is a computational scientist who directs the Centre for Computational Science at University College London and works on multiscale modeling and high-performance computing.

Raadhakrishnan Poovendran

Raadhakrishnan Poovendran is an American electrical engineer and professor at the University of Washington who founded its Network Security Lab and received a 2005 PECASE award.

Radia Perlman

Radia Perlman is an American network engineer and computer scientist who designed the Spanning Tree Protocol, adopted as IEEE 802.1D in 1990, and the DECnet routing algorithm standardized as IS-IS.

Ralph Kimball

Ralph Kimball, American data warehouse pioneer, author of The Data Warehouse Toolkit (1996), founder of Red Brick Systems and the Kimball Group, who formalized and popularized dimensional modeling and the star schema; his bottom-up method is usually contrasted with Bill Inmon's top-down approach.

Ravi Sethi

Ravi Sethi is a computer scientist known for the Sethi–Ullman algorithm and for co-authoring the compilers textbook Compilers: Principles, Techniques, and Tools, the "dragon book."

Reynold Xin

Reynold Xin, Canadian computer scientist, is a Databricks co-founder and Chief Architect who designed Apache Spark's DataFrames, Project Tungsten, GraphX, and Structured Streaming, and led the 2014 100 TB sort world record.

Richard Y. Wang

Richard Y. Wang, MIT Sloan-trained information systems researcher and TDQM creator, co-authored the Wang-Strong data quality dimensions framework and led the MIT CDOIQ Symposium and U.S. Army data quality efforts.

Ritchie Vink

Ritchie Vink is a Dutch engineer who created the Polars DataFrame library in Rust (first commit 23 June 2020) and co-founded Polars BV in Amsterdam with Chiel Peters in 2023, raising a $4M seed and a €18M Accel-led Series A.

Rob Pike

Rob Pike, also known as Robert Pike, is a Canadian-born American software engineer best known for co-creating the Go programming language at Google in 2009.

Robert B. Ross

Robert B. Ross is an American computer scientist at Argonne National Laboratory known for parallel file systems and I/O research, and a 2004 PECASE award winner.

Robert Everett (computer scientist)

Robert Rivers Everett (1921–2018) was an American computer scientist who helped build MIT's Whirlwind computer, led the SAGE air defense system, and served as president and CEO of The MITRE Corporation from 1969 to 1986.

Robert Kahn (computer scientist)

Robert E. Kahn is an American computer scientist who designed the ARPANET system and co-invented TCP/IP with Vinton Cerf, sharing the 2004 Turing Award and founding CNRI in 1986.

Robert Tappan Morris

Robert Tappan Morris is an American computer scientist who created the 1988 Morris worm and became the first person convicted under the Computer Fraud and Abuse Act.

Robin Milner

Robin Milner (1934–2010) was a British computer scientist at Edinburgh and Cambridge who created ML and CCS and won the 1991 Turing Award for machine-assisted proof, type inference, and concurrency.

Ross J. Anderson

Ross J. Anderson (1956–2024) was a British computer scientist and cryptographer, Professor of Security Engineering at Cambridge, a designer of the block cipher Serpent, and a founder of security economics.

Ryan Blue

Ryan Blue (rdblue), American software engineer; co-creator of Apache Iceberg with Dan Weeks at Netflix, Apache ASF member, Iceberg VP, Parquet/Avro PMC, co-founder of Tabular acquired by Databricks.

Ryan Stutsman

Ryan Stutsman is an American computer systems researcher and Associate Professor at the University of Utah, known for the XRP storage system and a 2025 PECASE award.

Saman Zonouz

Saman Zonouz is an associate professor at Georgia Tech whose cybersecurity research protects power grids and industrial control systems, earning him a 2015 PECASE award at Rutgers.