# Merck & Co. board members

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

As of November 11, 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.

3 claims on Merck & Co.'s board member, 3 open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current board members

What the record asserts on 2026-11-11.

- [Merck & Co.](/record/merck.md) | board_member | Paul B. Rothman | valid 2015-09-01 to present | conf 0.95 | valid | [clm_796DBB9EB8FD](/claim/clm_796DBB9EB8FD.md)
  sources: https://www.sec.gov/Archives/edgar/data/310158/000031015815000048/form8-kx2015_07x22item502a.htm, https://www.wikidata.org/wiki/Q247489
- [Merck & Co.](/record/merck.md) | board_member | Inge Thulin | valid 2018-03-01 to present | conf 0.95 | valid | [clm_60727DD76344](/claim/clm_60727DD76344.md)
  sources: https://www.wikidata.org/wiki/Q247489, https://www.sec.gov/Archives/edgar/data/310158/000110465918004267/a18-3813_18k.htm
- [Merck & Co.](/record/merck.md) | board_member | Kathy J. Warden | valid 2020-03-16 to present | conf 0.95 | valid | [clm_221AA18ED39E](/claim/clm_221AA18ED39E.md)
  sources: https://www.wikidata.org/wiki/Q247489, https://www.sec.gov/Archives/edgar/data/310158/000110465920009359/tm206170d1_ex99-1.htm

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [Merck & Co.](/record/merck.md) | board_member | Paul B. Rothman | valid 2015-09-01 to present | conf 0.95 | valid | [clm_796DBB9EB8FD](/claim/clm_796DBB9EB8FD.md)
  sources: https://www.sec.gov/Archives/edgar/data/310158/000031015815000048/form8-kx2015_07x22item502a.htm, https://www.wikidata.org/wiki/Q247489
- [Merck & Co.](/record/merck.md) | board_member | Inge Thulin | valid 2018-03-01 to present | conf 0.95 | valid | [clm_60727DD76344](/claim/clm_60727DD76344.md)
  sources: https://www.wikidata.org/wiki/Q247489, https://www.sec.gov/Archives/edgar/data/310158/000110465918004267/a18-3813_18k.htm
- [Merck & Co.](/record/merck.md) | board_member | Kathy J. Warden | valid 2020-03-16 to present | conf 0.95 | valid | [clm_221AA18ED39E](/claim/clm_221AA18ED39E.md)
  sources: https://www.wikidata.org/wiki/Q247489, https://www.sec.gov/Archives/edgar/data/310158/000110465920009359/tm206170d1_ex99-1.htm

## 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 11, 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).


## Read on

- This page: /record/merck/board_member (markdown: /record/merck/board_member.md)
- Entity twin: /record/merck.md · timeline: /timelines/merck.md
- Every company's board members: /facts/board_member.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.