The organization consists of many volunteers and a few employees. Please don't contact us individually about Tor topics — if you have a problem or question, please look through the contact page for appropriate addresses.

Core Tor People

Sue Abt, Accounting Manager
Sue runs Tor's finances and audit compliance.
Micah Anderson
Helps with tracking bad relays. Runs one of the directory authorities.
Isabela Bagueros, Project Manager
Coordinates Tor's development teams and helps them define their road maps, keeps track of priorities, and ensures that Tor is always thinking “user first” while building things.
Moritz Bartl, Advocate
Manages Zwiebelfreunde (a German non-profit to run exit relays), and coordinates the many similar non-profits that are springing up in other countries. Speaks and organizes in support of Tor and freedoms in Europe and world-wide.
Griffin Boyce, Developer
Works on Cupcake, a set of browser extensions to let people volunteer to become a Flash Proxy for censored users. Also develops Satori, an app to help people safely download Tor Browser and related tools.
Kathleen Brade, Developer
Part of the Tor Browser team — develops and maintains Tor Launcher and Torbutton.
Arlo Breault, Developer
Rewrote Tor Check so now it can handle all our users, and helps with Flash Proxy and other pluggable transport work. Also working on Tor Messenger, and on Snowflake.
Cass Brewer, Writer
Colin Childs, Support and Translation Coordinator
Helps wrangle Transifex for us, and also helps answer all the users who contact the support desk.
Erinn Clark
Erinn used to be our build and automation engineer. Now she has a day job at First Look Media, and remains active in the general privacy space.
Roger Dingledine, Research Director and President
Original developer of Tor along with Nick Mathewson and Paul Syverson. Leading researcher in the anonymous communications field. Frequent speaker at conferences to advocate Tor and explain what Tor is and can do. Helps coordinate academic researchers. Runs one of the directory authorities.
Arthur Edelstein, Developer
Works on Tor Browser and Torbutton.
Nima Fatemi, Advocate
Usability team, Farsi advocate, Library Freedom Project developer.
David Fifield, Developer, Researcher
Developer and co-inventor of Flash Proxy and meek. Helps lead the pluggable transports team. Grad student at Berkeley.
Arturo Filastò, OONI Leader
Project leader for OONI, has helped with tor2web, wrote Atlas, and generally helps to evaluate and improve security.
Matt Finkel, Developer
Has helped maintain and develop BridgeDB, OONI, and many other projects.
Nathan Freitas, Mobile phone hacker
The driving force behind The Guardian Project and Tor on the Android platform in the form of Orbot. He also works on OrLib: an Android library for Tor, and Orweb: A privacy-enhanced mobile browser.
Aaron Gibson, Developer
Used to develop OONI, and now works on Torflow.
Dr. Ian Goldberg, Researcher
Cryptographer, privacy expert, and professor; one of the designers of Off-the-Record Messaging.
David Goulet, Developer
Onion services developer, core member of Tor development team, and lead developer of Torsocks 2.0.
Allen Gunn, Tor Community Meetings
Gunner co-organizes and helps lead the Tor Dev Meetings, and advises on Tor community matters.
Sebastian Hahn, Developer
Helps people around the world use and understand Tor better. Generally helps everything run smoothly. Runs one of the directory authorities.
Serene Han, Developer
Develops Snowflake, a WebRTC-enabled Flash Proxy design. Part of the pluggable transport team.
intrigeri, Developer
Our main interface with the Tails project.
Isis, Developer
Lead maintainer and developer on BridgeDB. Used to work on OONI.
Dr. Rob Jansen, Researcher
Lead developer for Shadow, a full Tor network simulator that he's using to help us understand and improve Tor network performance.
Dr. Aaron Johnson, Researcher
Works on understanding diversity and trust in Tor network locations. See for example the CCS 2013 paper.
Damian Johnson, Developer
Author of arm, a command-line application that provides real-time status information for Tor relays, and Stem, a controller library for interacting with Tor.
asn, Developer
Onion services developer, core member of Tor development team, Obfsproxy developer, and researcher on bridge scanning resistance.
Georg Koppen, Developer
Works on Tor Browser, Torbutton, and our build automation.
Kate Krauss, Director of Communications and Public Policy
Plans Tor's communications strategy and evaluates Tor's possible role in pubic discussions about Tor-related issues.
Jens Kubieziel, Sysadmin
Helps keep our core infrastructure going.
Linda Lee, UX team lead
Pepijn Le Heux, Advocate
Tireless advocate and Tor enthusiast in the Netherlands.
Andreas Lehner, Advocate
Operates a directory authority in Germany with the CCC, and does talks and discussions in support of privacy around Europe.
Israel Leiva, Developer
Develops GetTor, a service that provides alternative methods to download Tor Browser.
Dr. Karsten Loesing, Lead Metrics Researcher and Developer
Primary researcher and developer into anonymous metrics which started as a National Science Foundation grant.
Lunar
Originally helped lead the support team, Debian packaging, and Tor Weekly News issues. Now working on Reproducible Builds.
Ximin Luo
Helps with Debian packaging.
Alison Macrina, Advocate
Leads the Library Freedom Project: helps the world understand the value of Tor, and also helps strengthen the network with exit relays at libraries.
Nick Mathewson, Chief Architect and Vice President
One of the three original designers of Tor—does a lot of the ongoing design work, and coordinates and leads ongoing development.
meejah, Developer
Author of txtorcon, a Tor controller library in Twisted.
Ondrej Mikle
Maintains our RPM packages.
Julius Mittenzwei
Germany-based lawyer and Internet activist.
Dr. Steven Murdoch, Researcher and Developer
Researcher at University College London who works on security, performance, and usability of Tor. Original creator of the Tor Browser Bundle (now just called Tor Browser). You can find out more about his work on his professional website.
Linus Nordberg, Advocate, Developer
Swedish advocate for Tor, anonymous communications research. Works on implementing IPv6 in Tor, and helps with build automation. Runs one of the directory authorities.
Donncha O'Cearbhaill, Developer
Onion services developer, OnionBalance developer, hunter of bad relays.
Peter Palfrader, Sysadmin and Developer
Manages the Debian packages, runs one of the directory authorities, and generally helps out a lot.
Brad Parker, Chief Financial and Grants Officer
Mike Perry, Tor Browser and Tor Performance Developer
Lead developer on Tor Browser, developer of Torbutton, author of TorFlow.
Fabio Pietrosanti, Advocate and Developer
Originally involved with Tor2Web, and is now our connection to the Globaleaks project.
Amogh Pradeep, Developer
Leads the development of Orfox, which is shaping up to be the Tor Browser equivalent for Android.
Silvia Puglisi, Services Hacker
Services admin, metrics team contributor, and generally helping picking up tasks around.
Sina Rabbani, Advocate
Does trainings and outreach. Runs one of the directory authorities.
Tom Ritter, Developer
Maintains Consensus Health and runs one of the bandwidth authorities.
Leif Ryge, Developer
Works on security analysis, designer of "bananaphone" transport, and part of the pluggable transports team.
Jon Selon, Administrative Manager
General administrative tasks, event coordination, donor management, swag management.
Wendy Seltzer
Lawyer, cyberlaw professor, and founder of ChillingEffects.org.
Sukhbir Singh, Developer
Develops and maintains TorBirdy (Torbutton for Thunderbird). Rewrote and maintains Gettor. Working on Tor Messenger.
Mark Smith, Developer
Part of the Tor Browser team — develops and maintains Tor Launcher and Torbutton.
David Stainton, Developer
David contributes code to txtorcon (onion service endpoint), authored roflcopter (tor control port filter daemon) and HoneyBadger (TCP injection attack detector). He also analyzes the Tor network for attacks.
Shari Steele, Executive Director
Shari comes to the Tor Project with more than 22 years of experience fighting for Internet freedom at the Electronic Frontier Foundation (EFF), a nonprofit civil liberties organization working for digital rights. Shari started out as a staff attorney at EFF and worked her way up to the executive director job. She currently serves on EFF's board.
Dr. Paul Syverson, Researcher
Inventor of Onion Routing, original designer of Tor along with Roger and Nick, and project leader for original design, development, and deployment of Tor. Currently helps out with research and design.
Noel David Torres Taño
Spanish translator; helps answer all the users who contact the support desk.
Rabbi Rob Thomas
Shares his experience with smoothly running non-profits, and also serves as our Internet governance bureaucracy guru.
Juris Vetra
Helps run torservers.net, and also volunteers distributing Tor shirts and other swag.
Nicolas Vigier, Developer
Working on build automation, particularly around the Tor Browser.
Tim Wilson-Brown, Developer, Researcher
Onion services developer, and core member of Tor development team. Researches Tor network measurement and onion service scalability.
Philipp Winter, Researcher
Understands how to manipulate and circumvent Tor network censorship attempts. Main developer of ScrambleSuit, and part of the pluggable transports team. Post-doc at Princeton.
Erin Wyatt, HR Manager
Employee benefits, policy questions, and baked goods.
Yawning Angel, Developer
Lead developer on obfs4proxy and other pluggable transports. Part of the pluggable transports team.