This is a timeline of all TAG members and their terms, from the initial group in 2001 to the present. The data was pieced together from various references, which are listed below, but may still contain inaccuracies. Found a mistake? Correct it with a pull request!

Name	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	2027
Tim-Berners-Lee	Dec 11, 2001–
Tim Bray	Dec 11, 2001–2003 2003–Apr 23, 2004
Dan Connolly	Dec 11, 2001–2004 2004–2006 2006–2008 2008–2009
Chris Lilley	Dec 11, 2001–2003 2003–2005
Paul Cotton	Dec 11, 2001–2003 2003–2005
Norman Walsh	Dec 11, 2001–2003 2003–2005 2005–2007 2007–2009
Stuart Williams	Dec 11, 2001–2003 2003–2005 2007–2009
Roy Fielding	Dec 11, 2001–2004 2004–2006
David Orchard	Dec 11, 2001–2004 2005–2007 2007–2009
Ian Jacobs	Dec 11, 2001–Sep 29, 2004
Mario Jeckle	2004–Jun 11, 2004
Noah Mendelsohn	Sep 27, 2004–2006 2006–2008 2008–2010 2010–2012 2012–May 31, 2013
Vincent Quint	2005–2007
Ed Rice	2005–2007
Henry Thomson	2005–2006 2006–2008 2008–2010 2010–2012 2012–2014
T.V. Raman	2006–2008 2008–2009 2009–2011
Rhys Lewis	2007–2008
Ashok Malhotra	2008–2010 2010–2011 2011–2013
Jonathan Rees	2008–2010 2010–2012 2012–May 31, 2013
John Kemp	2009–2011
Larry Masinter	2009–2011 2011–2013
Daniel Appelquist	2010–2012 Jun 1, 2013–2016 2016–2018 2018–2020 2020–2022 2022–2024 2024–2026
Peter Linss	2011–2013 Jun 1, 2013–2014 2014–2016 2016–2018 2018–2020 2020–2022 2022–2024 2024–2025
Yves Lafon	2011–
Jeni Tennison	Mar 7, 2011–2013 2013–2015
Robin Berjon	2012–2013
Marcos Caceres	2013–May 17, 2013 2025–2027
Yehuda Katz	2013–2015
Alex Russell	2013–Jul 2, 2014 2015–2017 2017–2019
Anne van Kesteren	2013–2014
Sergey Konstantinov	Jul 17, 2013–2015
Domenic Denicola	2014–2015
David Herman	2014–Mar 11, 2015
Mark Nottingham	Sep 1, 2014–2015 2015–2017
Travis Leithead	2015–2017 2017–2019
Yan Zhu	2015–2016
Hadley Beeman	Apr 16, 2015–2017 2017–2019 2019–2021 2021–2023 2023–2025 2025–2027
David Baron	May 13, 2015–2016 2016–2018 2018–2020 2020–2021
Andrew Betts	2016–2018
Sangwhan Moon	2017–Jul 31, 2019 2019–Jul 31, 2021 2021–2022 2022–2024
Kenneth Rohde Christiansen	Apr 3, 2018–2020 2020–2022
Lukasz Olejnik	2018–2020
Theresa O'Connor	2019–2021 2021–2023 2023–2025
Alice Boxhall	2019–2021
Rossen Atanassov	2020–2022 2022–2024
Lea Verou	2021–2023 2023–2025
Amy Guy	2021–2023 2023–2025
Max (Dapeng) Liu	2022–2024 2024–2026
Matthew Atkinson	2024–2026
Martin Thomson	2024–2026
Tristan Nitot	Jul 15, 2024–2026
Jeffrey Yasskin	Jul 15, 2024–2026
Sarven Capadisli	2025–2027
Xiaocheng Hu	2025–2027
Lola Odelola	2025–2027

References

TAG Election Results

• News Release: World Wide Web Consortium Forms Technical Architecture Group (2001)
• Announcement: W3C Announces Technical Architecture Group (TAG) Results (2001) (Member-only)
• TAG election results (Dec 2001) (Member-only)
• TAG election results (Jan 2003)
• TAG election results (Jan 2004)
• TAG election results (Jan 2005) (Member-only)
• TAG election results (Jan 2006) (Member-only)
• TAG election results (Jan 2007) (Member-only)
• TAG election results (Jan 2008) (Member-only)
• TAG election results (Jan 2009) (Member-only)
• TAG election results (Jan 2010)
• TAG election results (Dec 2010 — no actual election) (Member-only)
• TAG election results (Jan 2012)
• TAG election results (Jan 2013)
• TAG special election results (Jul 2013)
• TAG election results (Jan 2014)
• TAG special election results (Sep 2014)
• TAG election results (Jan 2015)
• TAG special election results (May 2015) (Member-only)
• TAG election results (Jan 2016)
• TAG election results (Dec 2016)
• TAG election results (Jan 2018)
• TAG election results (Jan 2019) (Member-only)
• TAG election results (Jan 2020)
• TAG election results (Jan 2021)
• TAG election results (Jan 2022)
• TAG election results (Dec 2022)
• TAG election results (Dec 2023)
• Detailed TAG election results (Dec 2023) (Member-only)
• TAG election results (Dec 2024)

Director appointments

• News Release: World Wide Web Consortium Forms Technical Architecture Group (2001)
• Director appointment (Dec 2003) (Member-only)
• Vincent Quint Appointed to TAG (Dec 2004) (Member-only)
• Director appointments (Nov 2005) (Member-only)
• Stuart Williams appointed to TAG (Nov 2006) (Member-only)
• TAG Appointments (Nov 2007) (Member-only)
• Jeni Tennison appointed to the TAG (Mar 2011) (Member-only version)
• Appointments and Chair Announcements for the TAG (May 2013) (Member-only)
• Hadley Beeman appointed to the TAG (Apr 2015) (Member-only)
• Dan Appelquist re-appointed to the TAG (Jun 2015) (Member-only)
• Dan Appelquist and Peter Linss re-appointed to the TAG (Dec 2015) (Member-only)
• Hadley Beeman re-appointed to the TAG (Jan 2017)
• Dan Appelquist and Peter Linss re-appointed to the TAG (Dec 2017) (Member-only)
• Hadley Beeman re-appointed to the TAG (Dec 2018) (Member-only)
• Dan Appelquist and Peter Linss re-appointed to the TAG (Nov 2019) (Member-only)
• Hadley Beeman re-appointed to the TAG (Nov 2020) (Member-only)
• Dan Appelquist and Peter Linss re-appointed to the TAG (Oct 2021) (Member-only)
• Hadley Beeman re-appointed to the TAG (Oct 2022) (Member-only)

W3C Team appointments

• W3C Team appointments to the TAG ratified (July 2024)
• W3C Team appointment to the TAG ratified (January 2025)

Archived TAG pages

For names and terms that could not be determined from the announcements above.

• Archived TAG page (Jun 2003)
• Archived TAG page (Jun 2005)
• Archived TAG page (Apr 2011)
• Archived TAG page (Sep 2013)

Other

• Tim Bray on his 2004 resignation
• The Upcoming TAG By-Election (Jul 2013)
• W3C Opens Technical Architecture Group (TAG) Special Election (Mar 2018)
• In Memoriam: Mario Jeckle
• Forced Resignation and Re: Forced Resignation