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Contributor Profiles
These are the fine people that make PostgreSQL what it is today!
Core Team
For more information on the purpose of the core team, please click here.
| Contributor | Contribution |
|---|---|
| Peter Eisentraut (peter.eisentraut at 2ndquadrant.com)
2ndQuadrant New Hope, PA, USA |
Works on the build system, porting, documentation, and the internationalization effort, and codes many other improvements. |
| Magnus Hagander (magnus at hagander.net)
Redpill Linpro Stockholm, Sweden |
Has done major work on the Win32 port, authentication system and more, and helps maintain the PostgreSQL websites and project infrastructure. |
| Tom Lane (tgl at sss.pgh.pa.us)
Crunchy Data Pittsburgh, Pennsylvania, USA |
Involved in all aspects of PostgreSQL, including bug evaluation and fixes, performance improvements, and major new features, such as schemas. He is also responsible for the optimizer. |
| Bruce Momjian (bruce at momjian.us)
EnterpriseDB Philadelphia, Pennsylvania, USA |
Maintains the TODO list, codes, applies patches, and speaks at conferences. |
| Dave Page (dpage at pgadmin.org)
EnterpriseDB Oxfordshire, United Kingdom |
Created and maintains pgAdmin, helps manage the postgresql.org websites and project infrastructure, and maintains the PostgreSQL installers. |
Major Contributors
| Contributor | Contribution |
|---|---|
| Oleg Bartunov (obartunov at gmail.com)
Postgres Professional, Lomonosov Moscow State University Moscow, Russia |
Introduced the locale support, has contributed GiST, GIN and SP-GiST extendability infrastructures, full text search, KNN, NoSQL features (hstore and jsonb) and several extensions including fuzzy search (pg_trgm), support for tree-like structures and arrays. Currenty he is working on implementation of SQL/JSON standard from SQL-2016 and jsonb compression. |
| Joe Conway (mail at joeconway.com)
Crunchy Data San Diego, California, USA |
Set-returning functions, PL/R, dblink, tablefunc (crosstab), improved bytea and array data types, polymorphic arguments, multi-row VALUES, generate_series, pg_settings/related functions, has_*_privilege functions, shared_preload_libraries, and other features. PGDG sysadmin team, board member PG.US |
| Dave Cramer (davec at postgresintl.com)
PostgreSQL International Toronto, Ontario, Canada |
Maintainer of the JDBC driver and contributes to PL/R. |
| Jeff Davis (pgsql at j-davis.com)
Amazon Web Services USA |
Exclusion constraints, range types, checksums, reviews |
| Joshua Drake (jd at commandprompt.com)
Command Prompt, Inc USA |
Postgresql.Org SPI-Liaison Chair PGConf US Director PostgreSQL Foundation Founder United States PostgreSQL Organizer Whatcom Postgres (User Group) |
| Andrew Dunstan (andrew at dunslane.net)
2ndQuadrant Apex (near Raleigh), North Carolina, USA |
Has contributed in a number of areas, including configuration and logging enhancements, dollar quoting, CSV import/export, upgraded plperlng, the Win32 port, rewriting the initdb and pg_ctl scripts in C, a double metaphone function in contrib, and maintains the buildfarm project. |
| David Fetter (david at fetter.org)
OpenSCG Oakland, California, United States |
Works on pgFoundry, DBI-link, and the PostgreSQL Weekly News |
| Francisco Figueiredo (fxjrlists at yahoo.com.br)
|
Project founder and lead developer of Npgsql, PostgreSQL's .NET data provider. |
| Dimitri Fontaine (dimitri at 2ndQuadrant.fr)
2ndQuadrant Paris, France |
Extensions, Skytools, pgloader, Event Triggers, prefix |
| Andres Freund (andres at anarazel.de)
CitusData San Francisco, USA |
Replication, scalability, bug fixing and patch review. |
| Stephen Frost (sfrost at snowman.net)
Crunchy Data Chantilly, VA, USA |
Security improvements, GRANT improvements, patch review, project infrastructure. |
| Peter Geoghegan (pg at bowt.ie)
VMware San Francisco, California, USA |
UPSERT, sorting improvements, pg_stat_statements, group commit |
| Andrew Gierth (andrew at tao11.riddles.org.uk)
UK |
Hstore enhancements, ordered aggregates and ordered set functions, grouping sets, ip4r, and provides help and support in the IRC channel |
| Kevin Grittner (kgrittn at gmail.com)
VMware Madison, Wisconsin, USA |
SSI, commitfest manager, patch review, materialized views |
| Devrim Gündüz (devrim at gunduz.org)
EnterpriseDB London, United Kingdom |
Coordinates RPM maintenance at https://yum.postgresql.org for Red Hat/CentOS/Fedora/SLES, helps website maintenance, builds PostgreSQL related packages for Fedora and EPEL, and maintains Fedora and CentOS based Live CD's. |
| Robert Haas (robertmhaas at gmail.com)
EnterpriseDB USA |
Principal author of parallel query. Scalability work, works all over the code with major patches, patch review. Created the original version of commitfest.postgresql.org. |
| Álvaro Herrera (alvherre at 2ndQuadrant.com)
2ndQuadrant Valdivia, Chile |
Fixed CLUSTER, worked on savepoints, added shared row locking, added shared dependency tracking, integrated autovacuum into the backend, added background workers, and helps running the project online infrastructure |
| Tatsuo Ishii (t-ishii at sraoss.co.jp)
SRA OSS, Inc. Japan Japan |
Handles multi-byte foreign language support and porting issues. |
| Stefan Kaltenbrunner (stefan at kaltenbrunner.cc)
conova communications GmbH Grödig, Austria |
Helps manage the project online infrastructure and maintain the websites. |
| Amit Kapila (amit.kapila16 at gmail.com)
EnterpriseDB Bangalore, India |
Parallel Query, durable Hash Indexes, Performance Testing |
| KaiGai Kohei (kaigai at heterodb.com)
HeteroDB Japan |
CustomScan, FDW enhancement, SEPostgreSQL, ... |
| Alexander Korotkov (a.korotkov at postgrespro.ru)
Postgres Professional Moscow, Russia |
Pluggable index access methods, advances to GiST and GIN indexes, better algorithms for spatial and fuzzy string search, multicore system optimizations and more |
| Marko Kreen (markokr at gmail.com)
Fleep |
In addition to contributions to PostgreSQL itself, leads the development of PgBouncer, PL/Proxy and Skytools. |
| Guillaume Lelarge (guillaume at lelarge.info)
Dalibo France |
PostgreSQL Europe treasurer, PGConf.EU and FOSDEM staff, French translations (docs and apps), Patches on PostgreSQL and various tools |
| Heikki Linnakangas (heikki.linnakangas at iki.fi)
Pivotal Helsinki, Finland |
2 phase commit support, reworked FSM and VM, replication/transactions, indexing and much more |
| Fujii Masao (masao.fujii at gmail.com)
NTT Open Source Japan |
Streaming replication, synchronous replication |
| Michael Meskes (meskes at postgresql.org)
Credativ Düsseldorf, Germany |
Maintains ecpg. |
| Noah Misch (noah at leadboat.com)
USA |
Security work, patch review. |
| Michael Paquier (michael.paquier at gmail.com)
VMWare Tokyo |
Code review, bug fix, TAP testing, commit fest management. |
| Paul Ramsey (pramsey at cleverelephant.ca)
|
Extension support in postgres_fdw. PostGIS geospatial extension. |
| Simon Riggs (simon at 2ndquadrant.com)
2ndQuadrant Buckinghamshire, United Kingdom |
Point in Time Recovery, Table Partitioning, Hot Standby, Sync Replication, focuses on enterprise issues, performance and scalability, business intelligence and replication/high availability. |
| Greg Sabino Mullane (greg at turnstep.com)
End Point Corporation Philadelphia, Pennsylvania, USA |
Maintains DBD::Pg, Bucardo, check_postgres.pl, tail_n_mail, and works on advocacy issues. |
| Teodor Sigaev (teodor at sigaev.ru)
Postgres Professional Moscow, Russia |
Works on GIST, GIN and other indexes, full-text search, NoSQL features such as SQL/JSON and other extensions. |
| Greg Stark (stark at mit.edu)
Dublin, Ireland |
Author of concurrent index builds and var-varlena. |
| Pavel Stehule (pavel.stehule at gmail.com)
freelancer Prague, Czech Republic |
Has contributed numerous enhancements to PL/pgSQL |
| Koichi Suzuki (koichi.szk at gmail.com)
NTT Data Intellilink Japan |
Multiple patches, leads NTT contributions Leads Postgres-XC community |
| Robert Treat (rob at xzilla.net)
OmniTI Ellicott City, Maryland, USA |
Maintains the phpPgAdmin project, works on a number of advocacy related items |
| Martijn van Oosterhout (kleptog at svana.org)
Delft, Netherlands |
Worked on a number of features including libpq, psql, shared objects and libraries, shell types and warnings for improper config options. |
| David Wheeler (david at kineticode.com)
PostgreSQL Experts Portland, OR, USA |
created PGXN, citext, pgTAP, advocacy |
Contributors
| Laurenz Albe (laurenz.albe at wien.gv.at) | Aleksander Alekseev (a.alekseev at postgrespro.ru) |
| Gevik Babakhani (pgdev at xs4all.nl) | Ashutosh Bapat (ashutosh.bapat at enterprisedb.com) |
| Christoph Berg (cb at df7cb.de) | Christopher Browne (cbbrowne at ca.afilias.info) |
| D'Arcy Cain (darcy at druid.net) | Marc Cave-Ayland (mark.cave-ayland at siriusit.co.uk) |
| Damien Clochard (damien at dalibo.info) | Fabien Coelho (coelho at cri.ensmp.fr) |
| Pavan Deolasee (pavan.deolasee at 2ndquadrant.com) | Korry Douglas (korryd at enterprisedb.com) |
| Etsuro Fujita (fujita.etsuro at lab.ntt.co.jp) | Bernd Helmle (mailings at oopsware.de) |
| Kyotaro Horiguchi (horiguchi.kyotaro at lab.ntt.co.jp) | Hiroshi Inoue (noue at tpf.co.jp) |
| Jeff Janes (jeff.janes at gmail.com) | Petr Jelinek (petr at 2ndquadrant.com) |
| Brendan Jurd (direvus at gmail.com) | Andreas Karlsson (andreas at proxel.se) |
| Mark Kirkwood (markir at paradise.net.nz) | Alexey Klyukin (alexk at hintbits.com) |
| Haribabu Kommi (haribabuk at fast.au.fujitsu.com) | Hannu Krosing (hannu at 2ndQuadrant.com) |
| Amit Langote (amitlangote09 at gmail.com) | Francalanci Leonardo (m_lists at yahoo.it) |
| Abhijit Menon-Sen (ams at 2ndQuadrant.com) | Thomas Munro (thomas.munro at enterprisedb.com) |
| Jim Nasby (Jim.Nasby at BlueTreble.com) | Regina Obe (rl at pcorp.us) |
| Euler Taveira de Oliveira (euler at timbira.com) | Dean Rasheed (dean.a.rasheed at gmail.com) |
| Marti Raudsepp (marti at juffo.org) | Craig Ringer (craig at 2ndQuadrant.com) |
| David Rowley (david.rowley at 2ndquadrant.com) | Hiroshi Saito (hiroshi at winpg.jp) |
| Sandro Santilli (strk at kbt.io) | Masahiko Sawada (sawada.mshk at gmail.com) |
| Jignesh Shah (jkshah at vmware.com) | Vladimir Sitnikov (sitnikov.vladimir at gmail.com) |
| Marko Tiikkaja (marko.tiikkaja at cs.helsinki.fi) | Takayuki Tsunakawa (tsunakawa.takay at jp.fujitsu.com) |
| Yamada Tsutomu (ns1090156 at gmail.com) | Jan Urbański (wulczer at wulczer.org) |
| Tomas Vondra (tv at fuzzy.cz) | Mark Wong (mark at 2ndQuadrant.com) |
Hackers Emeritus
The following hackers were previously part of the core team. Although they no longer work on the project, they are included here in recognition of their valuable contributions over the years.
| Contributor | Contribution |
|---|---|
| Josh Berkus (josh at agliodbs.com)
Red Hat Inc. Portland, OR, USA |
Provides general direction for PostgreSQL advocacy, works on performance testing, tuning and documentation, and works with user groups. |
| Marc G. Fournier (scrappy at hub.org)
Hub.Org Networking Services Ottawa, Ontario, Canada |
Coordinated the entire effort, helped administer the postgresql.org websites, mailing lists, ftp site, and source code repository. |
| Thomas G. Lockhart (lockhart at alumni.caltech.edu)
Jet Propulsion Labratory Pasadena, California, USA |
Worked on documentation, data types (particularly date/time and geometric), and SQL standards compliance. |
| Vadim B. Mikheev (vadim4o at yahoo.com)
San Francisco, California, USA |
Undertook large projects, like vacuum, subselects, triggers, Write Ahead Log (WAL) and multi-version concurrency control (MVCC). |
| Jan Wieck (jan at wi3ck.info)
OpenSCG Willow Grove, Pennsylvania, USA |
Designed and implemented Slony, overhauled the query rewrite rule system, wrote the procedural languages PL/pgSQL and PL/Tcl, added foreign keys, bgwriter, the statistics collector, the TOAST system and other features. |
Past Contributors
| Julian Assange | David Bennett |
| Dennis Björklund | Alexey Borzov |
| Zoltán Böszörményi | Emily Boyd |
| Tim Bunce | Emmanuel Checchet |
| Andrew Chernow | Sean Chittenden |
| Justin Clift | Neil Conway |
| Massimo Dal Zotto | Selena Deckelmann |
| Dr_George_D Detlefsen | Chris Dunlop |
| J. Douglas Dunlop | Oliver Elphick |
| Michael Fuhr | Brian E. Gallew |
| Michael Glaesemann | Cees de Groot |
| Thomas Hallgren | John Hansen |
| Hitoshi Harada | Jonah Harris |
| Alex Hunsaker | Kris Jurka |
| Christopher Kings-Lynne | Manfred Koizar |
| Sergey E. Koposov | Zdenek Kotala |
| Anoop Kumar | Randy Kunkee |
| Kurt J. Lidl | Barry Lind |
| Robert Lor | Dan McGuirk |
| Roberto Mello | Ernst Molitor |
| Fernando Nasser | Claudio Natoli |
| Matthew T. O'Connor | Lamar Owen |
| Andreas Pflug | Ross J. Reedstrom |
| Thomas van Reimersdahl | Larry Rosenman |
| Sergej Sergeev | Gavin Sherry |
| Michael Siebenborn | Guillaume Smet |
| Greg Smith | Erich Stamberger |
| Adam Sussman | Sven Suursoho |
| Stephan Szabo | ITAGAKI Takahiro |
| Rod Taylor | Reini Urban |
| Paul "Shag" Walmsley | Philip Warner |
| Rick Weldon | Joachim Wieland |
| Jason Wright | Karel Zak |
| Andreas Zeugswetter | Qingqing Zhou |
All contributors are listed in alphabetical order. Please report omissions or corrections to the webmaster.