Thunderbird/Community Members

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This page aims to list the community members who are currently contributing any type of work to the Mozilla Thunderbird project on a regular basis.

The form (e.g. list/table) and order or appearance is under consideration and new people/tasks are still added. The page is currently maintained by aceman.

Warning signWarning: This document is work in progress.

(I am thinking about linking to the profile of each contributor. I'd like all contributors listed here who have a Mozillians profile to review the data there and set up the fields which are OK to be displayed for public view.)

Code Developers

Key developers / module owners / module peers

Produce much of the Thunderbird code. See Modules/MailNews_Core, Modules/Thunderbird and Modules/Chat for their respective roles and modules.

Mark Banner (:standard8) - Thunderbird product manager, [Mozilla staff member]

David Bienvenu (:bienvenu) - Thunderbird product manager

Kent James (:rkent) - also addon developer (e.g. ExQuilla for Microsoft Exchange, FiltaQuilla)

Mike Conley (:mconley) [Mozilla staff member]

Joshua Cranmer (:jcranmer)

Jim Porter (:squib) [Mozilla staff member]

Neil Rashbrook (:NeilAway)

Jonathan Protzenko (:protz) [contractor ???]

Andrew Sutherland (:asuth)

Blake Winton (:bwinton) - Thunderbird UX lead, [Mozilla staff member]

Magnus Melin (:mkmelin)

Irving Reid (:irving) [Mozilla staff member]

Siddharth Agarwal (:sid0)

Florian Quèze (:florian) [Mozilla staff member]

Patrick Cloke (:clokep)

Andreas Nilsson (:andreasn)

Richard Marti (:paenglab)

Josiah Bruner (:JosiahOne)

Karsten Düsterloh (:mnyromyr)

Kai Engert (:kaie)

Daniel Scruton (:aleth)


Regularly produce patches.

Andrei Hajdukewycz (:sancus) - website development, e.g.,, [Mozilla staff member]

John Hopkins (:jhopkins) - release engineering [Mozilla staff member]

Ben Bucksch (:BenB)

Hiroyuki Ikezoe (:hiro) - backend [Mozilla-Japan staff member]

Makoto Kato (:mkato) - backend [Mozilla-Japan staff member]

Ishikawa Chiaki - backend

:alta88 - RSS feeds

:aceman - Account manager UI, Filters UI, small tweaks anywhere, bug triage (BMO)

Suyash Agarwal (:sshagarwal) - both backend and front end fixes

:nomis101 - Mac issues ???

Nihanth Subramanya (:nhnt11) - twice Instantbird GSOC student and chat contributor

Jorg K (:jorgk) - mail compose window, language/dictionaries/spelling, M-C core editor issues

Upcoming developers

They are new to the community and produce occasional patches.

Atul Jangra (:atuljangra) - IMAP and Instantbird fixes

Jens Müller (:tessarakt) - News

David Lechner (:dlech) - IMAP

Zeyu (:car) - Filelink

Retired developers

Produced a good amount of patches but unfortunately have left the project as far as we know.

Philippe Chiasson (:gozer) - build config
Serge Gautherie
Seth Spitzer

Seamonkey developers

Contributing to Thunderbird via fixes/reviews in common MailNews code or build system. See Modules/SeaMonkey for their roles.

Ian Neal (:IanN)

Justin Wood (:Callek)

Philip Chee (:Ratty)

Add-on developers

Produce add-ons for Thunderbird distributed via

Patrick Brunschwig - Enigmail

Philipp Kewisch (:Fallen) - Lightning [Linagora staff member]

Matthew Mecca - Lightning

:Decathlon - Lightning

Stefan Sitter (:ssitter) - Lightning

MakeMyDay - Lightning

Merike Sell (:merike)- Lightning

Jonathan - Conversations

Axel Grude (:RealRaven) - QuickFolders, quickFilters, QuickPasswords, Zombie Keys, SmartTemplate4, AMO editor

Leni Mayo - Zindus

Sebastian Hengst (:Archaeopteryx) - add-on reviews, German TB translation review, add-on translation, German forum, light coding, updating outdated code constructs.

Andreas Wagner (:TheOne) - Add-on reviewer and developer

Quality Assurance / Support


Provide user support and help with user problems on GetSatisfaction support site. See for more details. We list people with about 100 stars or 1000 replies.

Roland Tanglao (:rolandtanglao) - Thunderbird Technical Support Lead [Mozilla staff member]

Wayne Mery (:wsmwk)

Matt Harris (:mattau)

Vincent Plainfossé (:cameleon)

Chris Ramsden (:Xenos)



Anje Yelf

Steve Howes (:sfhowes)






:Bernd S

Michael Pasek (no longer active; was our number one support contributor in 2010 but left for job and real life :-) reasons in 2011)

Knowledge Base

Authors of articles in the Knowledge base at

Jennifer Zickerman (:jenzed) [Mozilla staff member]

Vincent Plainfossé (:cameleon)

Chris Ramsden (:Xenos)

Thomas Düllmann (Thomas D.)




Bug triaging on (BMO).

Ludovic Hirlimann (:Usul) - QA lead [Mozilla staff member]

Wayne Mery (:wsmwk) - also Knowledge base author


Thomas Düllmann (Thomas D.) - also contributor


Contributors to the MozillaZine forums and knowledge base at

Joe Sabash (:JoeS1) - Thunderbird builds thread, testing nightly builds

Eric Moore (:tanstaafl) - moderator on the MozillaZine forums. Written some of the Thunderbird knowledge base articles there. Also a getsatisfaction poster.

Dean Strickland (:Bozz) - forum poster, also a Nightly tester

Joachim Herb - forum poster, also author of CompactHeader extension

:rsx11m - author of numerous MozillaZine Knowledge base articles. Nightly tester and patch contributor for TB as well as SeaMonkey.

Supporting organizations

Mozilla - Gervase Markham (:gerv) [Mozilla staff member], Jean-Baptiste Piacentino (:jb) [Mozilla staff member]

Ubuntu - Chris Coulson (:chrisccoulson) and Micah Gersten

Linagora - Philipp Kewisch

Mozilla-Japan - Hiroyuki Ikezoe

Redhat??? - Jan Horak (:jhorak)


There are more than 25,000 [aurora and beta testers]. We can't list all of them here but their work is still appreciated.


Translating Thunderbird into tons of languages.

Current localization teams can be found on the L10n:Teams page.


Reaching out to the public and distributing information about Thundebird.

Benjamin Kerensa (:bkerensa) - Marketing, Evangelism, Twitter/Google+/Facebook accounts


Ryan VanderMeulen (:ryanVM) - patch check-ins [Mozilla staff member]

Also check out for other people that support us.