# PETSc Development Team
The developers of PETSc are Mark Adams, Satish Balay, Jed Brown, Lisandro Dalcin, Toby Isaac, Pierre Jolivet,
Matthew Knepley, Lois Curfman McInnes, Richard Tran Mills, Todd Munson, Jose E. Roman, Barry Smith, Hansol Suh,
Stefano Zampini, Hong Zhang, and Junchao Zhang. The previous developers of PETSc are Shrirang Abhyankar,
Steven J. Benson, Blaise Bourdin, Peter Brune, Kris Buschelman, Emil M. Constantinescu, Alp Dener,
Victor Eijkhout, Jacob Faibussowitsch, Sean Farley, Bill Gropp, Vaclav Hapla, Dmitry Karpeev, Dinesh Kaushik,
Fande Kong, Scott Kruger, Dave May, Lawrence Mitchell, Victor Minden, Karl Rupp, Patrick Sanan, Jason Sarich,
Hong Zhang. These developers and previous developers listed here are the only PETSc developers there have ever been.
In addition to the developers, there are also numerous contributors to PETSc.
(sec_core_developers)=
## Current Core Developers
The following people are currently active core contributors to PETSc's development and
maintenance.
The full list of contributors can be found [on GitLab](https://gitlab.com/petsc/petsc/-/graphs/main).
:::{important}
Please do not email individual PETSc authors. E-mail to <mailto:petsc-maint@mcs.anl.gov> is
automatically distributed to the authors, so our response time using this address will
be fastest. See {ref}`mailing lists <doc_mail>` or {ref}`bug reporting
<doc_creepycrawly>` for more information.
:::
```{eval-rst}
.. grid:: 2 3 3 4
.. grid-item-card:: Mark Adams
:link: https://gitlab.com/markadams4
:img-top: https://gitlab.com/uploads/-/system/user/avatar/524115/avatar.png
.. grid-item-card:: Satish Balay
:link: https://gitlab.com/sbalay
:img-top: https://gitlab.com/uploads/-/system/user/avatar/3919065/avatar.png
.. grid-item-card:: Jed Brown
:link: https://gitlab.com/jedbrown
:img-top: https://gitlab.com/uploads/-/system/user/avatar/500187/avatar.png
.. grid-item-card:: Lisandro Dalcin
:link: https://gitlab.com/dalcinl
:img-top: https://secure.gravatar.com/avatar/5f37aff3d274a0effbf20be82804d012?s=80&d=identicon
.. grid-item-card:: Toby Isaac
:link: https://gitlab.com/tisaac
:img-top: https://gitlab.com/uploads/-/system/user/avatar/1230244/avatar.png
.. grid-item-card:: Pierre Jolivet
:link: https://gitlab.com/prj-
:img-top: https://secure.gravatar.com/avatar/c75a786b2cc0f7866dcda4ed6367d8a5?s=80&d=identicon
.. grid-item-card:: Matthew Knepley
:link: https://gitlab.com/knepley
:img-top: https://secure.gravatar.com/avatar/77d89568403a82b73d163f477cfb2498?s=80&d=identicon
.. grid-item-card:: Lois Curfman McInnes
:link: https://wordpress.cels.anl.gov/curfman/
:img-top: /images/community/team/lois.gif
.. grid-item-card:: Richard Tran Mills
:link: https://gitlab.com/rtmills
:img-top: https://gitlab.com/uploads/-/system/user/avatar/1189493/avatar.png
.. grid-item-card:: Todd Munson
:link: https://gitlab.com/tmunson
:img-top: /images/community/team/todd.jpg
.. grid-item-card:: Jose E. Roman
:link: https://gitlab.com/joseroman
:img-top: https://secure.gravatar.com/avatar/f266db21c3f1e06294ab31304e4f177c?s=80&d=ident
.. grid-item-card:: Barry Smith
:link: https://gitlab.com/BarrySmith
:img-top: https://gitlab.com/uploads/-/system/user/avatar/3972971/avatar.png
.. grid-item-card:: Hansol Suh
:link: https://gitlab.com/hsuh
:img-top: https://gitlab.com/uploads/-/system/user/avatar/4555934/avatar.png
.. grid-item-card:: Stefano Zampini
:link: https://gitlab.com/stefanozampini
:img-top: https://gitlab.com/uploads/-/system/user/avatar/3718257/avatar.png
.. grid-item-card:: Mr. Hong Zhang
:link: https://gitlab.com/caidao22
:img-top: https://gitlab.com/uploads/-/system/user/avatar/4458631/avatar.png
.. grid-item-card:: Junchao Zhang
:link: https://gitlab.com/jczhang07
:img-top: https://gitlab.com/uploads/-/system/user/avatar/4331267/avatar.png
```
## Emeritus Core Developers
```{eval-rst}
.. grid:: 2 3 3 4
.. grid-item-card:: Shrirang Abhyankar
:link: https://gitlab.com/abhyshr
:img-top: https://gitlab.com/uploads/-/system/user/avatar/4214304/avatar.png
.. grid-item-card:: Steven J. Benson
.. grid-item-card:: Blaise Bourdin
:link: https://gitlab.com/blaisebourdin
:img-top: https://gitlab.com/uploads/-/system/user/avatar/4484951/avatar.png
.. grid-item-card:: Peter Brune
:img-top: /images/community/team/peter.jpg
.. grid-item-card:: Kris Buschelman
:img-top: /images/community/team/buschelman.jpg
.. grid-item-card:: Emil M. Constantinescu
:link: https://gitlab.com/emconsta
:img-top: https://gitlab.com/uploads/-/system/user/avatar/389994/avatar.png
.. grid-item-card:: Alp Dener
:link: https://gitlab.com/adener
:img-top: https://gitlab.com/uploads/-/system/user/avatar/3899183/avatar.png
.. grid-item-card:: Victor Eijkhout
:link: https://www.tacc.utexas.edu/staff/victor-eijkhout
:img-top: /images/community/team/victor.jpg
.. grid-item-card:: Jacob Faibussowitsch
:link: https://gitlab.com/Jfaibussowitsch
:img-top: https://gitlab.com/uploads/-/system/user/avatar/4473654/avatar.png
.. grid-item-card:: Sean Farley
:img-top: /images/community/team/sean.jpg
.. grid-item-card:: Bill Gropp
:link: https://cs.illinois.edu/directory/profile/wgropp
:img-top: /images/community/team/bill.gif
.. grid-item-card:: Vaclav Hapla
:link: https://gitlab.com/haplav
:img-top: https://gitlab.com/uploads/-/system/user/avatar/1614413/avatar.png
.. grid-item-card:: Dmitry Karpeev
:link: https://www.ci.uchicago.edu/profile/224
:img-top: /images/community/team/dmitry.jpg
.. grid-item-card:: Dinesh Kaushik
:img-top: /images/community/team/dinesh.jpg
.. grid-item-card:: Fande Kong
:link: https://gitlab.com/fdkong
:img-top: https://gitlab.com/uploads/-/system/user/avatar/4470976/avatar.png
.. grid-item-card:: Scott Kruger
:link: https://gitlab.com/krugers
:img-top: https://secure.gravatar.com/avatar/5e9fd9d0c027f9f2d0c6d0a79cdc0998?s=80&d=identicon
.. grid-item-card:: Dave May
:link: https://gitlab.com/dmay
:img-top: /images/community/team/dave.jpg
.. grid-item-card:: Lawrence Mitchell
:link: https://gitlab.com/wence
:img-top: https://secure.gravatar.com/avatar/3cf8d69621da52450f7e4f3c19b6978d?s=80&d=identicon
.. grid-item-card:: Victor Minden
:img-top: /images/community/team/victorminden.jpg
.. grid-item-card:: Karl Rupp
:link: https://gitlab.com/karlrupp
:img-top: https://gitlab.com/uploads/-/system/user/avatar/4331259/avatar.png
.. grid-item-card:: Patrick Sanan
:link: https://gitlab.com/psanan
:img-top: https://gitlab.com/uploads/-/system/user/avatar/1651691/avatar.png
.. grid-item-card:: Jason Sarich
:link: https://www.anl.gov/mcs/person/jason-sarich
:img-top: /images/community/team/sarich.jpg
.. grid-item-card:: Mrs. Hong Zhang
:link: https://gitlab.com/hongzhangsun
:img-top: https://gitlab.com/uploads/-/system/user/avatar/4067501/avatar.png
```