Thunderbird/Core Team
From MozillaWiki

Thunderbird Core Team
The Thunderbird Core Team are people who are typically actively involved with Thunderbird on a weekly basis, and are close enough to the project to have a major influence on direction. The Thunderbird Council reviews this list and decides membership, and will review this list on a regular basis (most recent update in March 2019).
Core Contributors (in alphabetical order by first name or nick name)
- Aceman (aceman) <acelists@atlas.sk>: Reviewer in mail/ and mailnews/, keeps us up-to-date with core changes, general fixer of problems.
- Alessandro Castellani (Alecaddd) <alessandro@thunderbird.net>: Thunderbird UX lead, website designer, heavily involved in Thunderbird front-end work.
- Alta88 <alta88@fixall.com>: Primary maintainer and peer of RSS Feeds, active in other areas including views.
- Andrei Hajdukewycz (sancus) <sancus@thunderbird.net>: Thunderbird infrastrucure engieers, runs Thunderbird websites including addons.thunderbird.net.
- Ben Campbell <benc@thunderbird.net>: Backend developer (the C++ stuff), maildir, LDAP, Telemetry, backend refactoring.
- Christopher Leidigh <cleidigh@gmail.com>: Thunderbird add-ons coordinator.
- Geoff Lankow (darktrojan) <geoff@thunderbird.net>: Jack of all trades, master of most including Calendar, add-ons support, WebExtention APIs.
- Florian Quèze (florian) <florian@queze.net>: Module owner for chat.
- Joe Sabash (:JoeS1) <jsabash@bellatlantic.net>: Thunderbird builds thread, testing nightly builds, release testing.
- Kai Engert (kaie) <kaie@thunderbird.net>: Security, Privacy, S/MIME, NSS.
- Khushil Mistry <khushil@thunderbird.net>: Front-end team, composition, editor, refactoring.
- Magnus Melin (mkmelin) <mkmelin+mozilla@iki.fi>: Module Owner for mail/.
- MakeMyDay <makemyday@gmx-topmail.de>: Key contributor and reviewer of the Lightning calendar addon.
- Matt Harris (mattau (9282890794)): Active leader in Thunderbird support (SUMO).
- Patrick Cloke (clokep) <clokep@patrick.cloke.us>: Manager of mercurial code transitions, key chat contributor and reviewer.
- Paul Morris <paul@thunderbird.net>: Calendar and front-end work.
- Philipp Kewisch (Fallen) <mozilla@kewis.ch>: Module owner for Lighting calendar addon.
- Richard Marti (Paenglab) <richard.marti@gmail.com>: Primary maintainer of Thunderbird themes, also provides code patches to keep Thunderbird current.
- Rob Lemley <rob@thunderbird.net>: Thunderbird release engineer
- Ryan Sipes (ryanleesipes) <ryan@thunderbird.net>: Community Manager for Thunderbird.
- Wayne Mery (wsmwk) <vseerror@lehigh.edu>: Release manager for Thunderbird releases, key bug triager.
Regular contributors (in alphabetical order by first name)
- Alfred Peters: Contributes to MIME, news, and triaging bugs.
- Alice White: Master regression finder.
- Gene Smith: Contributes to IMAP, knows all the different vendors inside-out.
- Joshua Cranmer: Mailnews Module Owner, reviewer.
- Markus Adrario (:taraman): Contributor to Calendar, reviewer.
- Martin Giger (:freaktechnik): Contributor to Chat, reviewer.
- Sebastian Hengst (Aryx): Contributes widely throughout Mozilla.
- Stefan Sitter <ssitter@gmail.com>: Bug triager for the Lighting calendar add-on.
- Thomas Düllmann: UX Contributor
- Tooru Fujisawa (arai) <arai_a@mac.com>: Helps keeping Thunderbird's JavaScript code up-to-date with core changes.