Who are Merck & Co.'s board members?

Paul B. Rothman (since September 1, 2015), Inge Thulin (since March 1, 2018) and Kathy J. Warden (since March 16, 2020), as the record asserts them on November 10, 2026.

When did Merck & Co.'s board member last change?

The latest value on the record is Kathy J. Warden, dated March 16, 2020; before it the record holds Inge Thulin, dated March 1, 2018.

What was Merck & Co.'s board member before Kathy J. Warden?

Inge Thulin, valid from March 1, 2018 (status valid), from a primary source (sec.gov).

organization · fact

Merck & Co. board members

As of November 10, 2026, Merck & Co.'s board members on the AsOf record are Paul B. Rothman, Inge Thulin and Kathy J. Warden, each a claim of its own with its date, from 2 sources in all.

board members: Paul B. RothmanSeptember 1, 2015 · 2 sources
board members: Inge ThulinMarch 1, 2018 · 2 sources
board members: Kathy J. WardenMarch 16, 2020 · 2 sources

Each bar is one value's span on the record; the open one in colour.

Every dated value

3 values · 3 current

Merck & Co. board members: every dated value on the record, oldest first, with its dates, status, confidence and sources
value	valid fromThe day the value took effect, not the day it was published. A period figure (a year's revenue) is dated at the period's end.More in About →	valid to	confidenceHow well the sources support the value, from 0 to 1. A single primary source is asserted from 0.7; nothing below 0.5 is asserted; a dead or disagreeing source lowers it.More in About →	sourcesPrimary: the entity's own filing, feed or site. Secondary: a publisher reporting it. Each claim links every source it has, with the passage that states the value where one was read.More in About →
Paul B. Rothman: board members Paul B. Rothman from 2015-09-01, claim clm_796DBB9EB8FD and its sources to present · sec.gov +1	2015-09-01	present	0.95	sec.gov +1
Inge Thulin: board members Inge Thulin from 2018-03-01, claim clm_60727DD76344 and its sources to present · sec.gov +1	2018-03-01	present	0.95	sec.gov +1
Kathy J. Warden: board members Kathy J. Warden from 2020-03-16, claim clm_221AA18ED39E and its sources to present · sec.gov +1	2020-03-16	present	0.95	sec.gov +1

Questions this record answers

Who are Merck & Co.'s board members?: Paul B. Rothman (since September 1, 2015), Inge Thulin (since March 1, 2018) and Kathy J. Warden (since March 16, 2020), as the record asserts them on November 10, 2026.
When did Merck & Co.'s board member last change?: The latest value on the record is Kathy J. Warden, dated March 16, 2020; before it the record holds Inge Thulin, dated March 1, 2018.
What was Merck & Co.'s board member before Kathy J. Warden?: Inge Thulin, valid from March 1, 2018 (status valid), from a primary source (sec.gov).

Answered from the rows above, as of November 10, 2026.

Cite Merck & Co. board members

Each form names the value, its as-of date (2015-09-01), the day you read it (2026-11-10), the claim's stable URL and id and its primary source. The URL never changes: a superseded claim stays at the same address.

Plain text

AsOf. "Merck & Co. board member: Paul B. Rothman", as of 2015-09-01. Claim clm_796DBB9EB8FD, https://asof.is/claim/clm_796DBB9EB8FD, accessed 2026-11-10. Source: https://www.sec.gov/Archives/edgar/data/310158/000031015815000048/form8-kx2015_07x22item502a.htm.

APA

AsOf. (2015). Merck & Co. board member: Paul B. Rothman (as of 2015-09-01) [Record clm_796DBB9EB8FD]. Retrieved November 10, 2026, from https://asof.is/claim/clm_796DBB9EB8FD (source: https://www.sec.gov/Archives/edgar/data/310158/000031015815000048/form8-kx2015_07x22item502a.htm)

BibTeX

@misc{asof_clm_796DBB9EB8FD,
  author = {AsOf},
  title = {Merck \& Co. board member: Paul B. Rothman},
  year = {2015},
  howpublished = {\url{https://asof.is/claim/clm_796DBB9EB8FD}},
  note = {Claim clm\_796DBB9EB8FD, as of 2015-09-01; source: https://www.sec.gov/Archives/edgar/data/310158/000031015815000048/form8-kx2015\_07x22item502a.htm},
  urldate = {2026-11-10}
}

Read on

/record/merck/board_member.md · this page as markdown
/facts/board_member · every company's board members
/record/merck · /timelines/merck

Other facts about Merck & Co.

Record

Merck & Co. board members

As of November 10, 2026, Merck & Co.'s board members on the AsOf record are Paul B. Rothman, Inge Thulin and Kathy J. Warden, each a claim of its own with its date, from 2 sources in all.

board members

Paul B. RothmanSeptember 1, 2015 · 2 sources

board members

Inge ThulinMarch 1, 2018 · 2 sources

board members

Kathy J. WardenMarch 16, 2020 · 2 sources

Each bar is one value's span on the record; the open one in colour.

Every dated value

3 values · 3 current

Merck & Co. board members: every dated value on the record, oldest first, with its dates, status, confidence and sources
value	valid fromThe day the value took effect, not the day it was published. A period figure (a year's revenue) is dated at the period's end.More in About →	valid to	confidenceHow well the sources support the value, from 0 to 1. A single primary source is asserted from 0.7; nothing below 0.5 is asserted; a dead or disagreeing source lowers it.More in About →	sourcesPrimary: the entity's own filing, feed or site. Secondary: a publisher reporting it. Each claim links every source it has, with the passage that states the value where one was read.More in About →
Paul B. Rothman: board members Paul B. Rothman from 2015-09-01, claim clm_796DBB9EB8FD and its sources to present · sec.gov +1	2015-09-01	present	0.95	sec.gov +1
Inge Thulin: board members Inge Thulin from 2018-03-01, claim clm_60727DD76344 and its sources to present · sec.gov +1	2018-03-01	present	0.95	sec.gov +1
Kathy J. Warden: board members Kathy J. Warden from 2020-03-16, claim clm_221AA18ED39E and its sources to present · sec.gov +1	2020-03-16	present	0.95	sec.gov +1

Questions this record answers

Who are Merck & Co.'s board members?: Paul B. Rothman (since September 1, 2015), Inge Thulin (since March 1, 2018) and Kathy J. Warden (since March 16, 2020), as the record asserts them on November 10, 2026.
When did Merck & Co.'s board member last change?: The latest value on the record is Kathy J. Warden, dated March 16, 2020; before it the record holds Inge Thulin, dated March 1, 2018.
What was Merck & Co.'s board member before Kathy J. Warden?: Inge Thulin, valid from March 1, 2018 (status valid), from a primary source (sec.gov).

Answered from the rows above, as of November 10, 2026.

Cite Merck & Co. board members

Plain text

AsOf. "Merck & Co. board member: Paul B. Rothman", as of 2015-09-01. Claim clm_796DBB9EB8FD, https://asof.is/claim/clm_796DBB9EB8FD, accessed 2026-11-10. Source: https://www.sec.gov/Archives/edgar/data/310158/000031015815000048/form8-kx2015_07x22item502a.htm.

APA

AsOf. (2015). Merck & Co. board member: Paul B. Rothman (as of 2015-09-01) [Record clm_796DBB9EB8FD]. Retrieved November 10, 2026, from https://asof.is/claim/clm_796DBB9EB8FD (source: https://www.sec.gov/Archives/edgar/data/310158/000031015815000048/form8-kx2015_07x22item502a.htm)

BibTeX

@misc{asof_clm_796DBB9EB8FD,
  author = {AsOf},
  title = {Merck \& Co. board member: Paul B. Rothman},
  year = {2015},
  howpublished = {\url{https://asof.is/claim/clm_796DBB9EB8FD}},
  note = {Claim clm\_796DBB9EB8FD, as of 2015-09-01; source: https://www.sec.gov/Archives/edgar/data/310158/000031015815000048/form8-kx2015\_07x22item502a.htm},
  urldate = {2026-11-10}
}