When did Laurie E. Locascio leave as National Institute of Standards and Technology's chair?

On December 28, 2024, after holding the role since April 19, 2022, from 2 primary sources (nist.gov and content.govdelivery.com) and one further source (commerce.gov).

When did National Institute of Standards and Technology's chair last change?

The latest value on the record is Laurie E. Locascio, dated April 19, 2022; before it the record holds James Olthoff, dated January 1, 2021 and closed on April 19, 2022.

What was National Institute of Standards and Technology's chair before Laurie E. Locascio?

James Olthoff, valid from January 1, 2021 to April 19, 2022 (status superseded), from a primary source (nist.gov).

regulator · fact

National Institute of Standards and Technology chair

Name: National Institute of Standards and Technology chair on the AsOf record
Creator: AsOf
License: https://asof.is/data#license

As of November 13, 2026, the AsOf record names no chair for National Institute of Standards and Technology: Laurie E. Locascio held the role from April 19, 2022 until December 28, 2024, from 2 primary sources (nist.gov and content.govdelivery.com) and one further source (commerce.gov), and the record holds no successor yet.

National Institute of Standards and Technology on another date · compare two dates

last chair: Laurie E. LocascioApril 19, 2022 to December 28, 2024 · 6 sources

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

Every dated value

5 values · 0 current · supersededA later claim replaced it: it keeps its end date and a pointer to the claim that replaced it, and is never deleted.More in About →

National Institute of Standards and Technology chair: 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 →
Arati Prabhakar: chair Arati Prabhakar from 1993-01-01, claim clm_C832CF624A78 and its sources (superseded) to 1997-01-01 · nist.gov +2	1993-01-01	1997-01-01	0.95	nist.gov +2
Patrick D. Gallagher: chair Patrick D. Gallagher from 2008-09-01, claim clm_6373F0B79C0C and its sources (superseded) to 2014-06-01 · nist.gov +1	2008-09-01	2014-06-01	0.95	nist.gov +1
Walter Copan: chair Walter Copan from 2017-10-01, claim clm_2E7CF59A09E9 and its sources (superseded) to 2021-01-01 · nist.gov +1	2017-10-01	2021-01-01	0.95	nist.gov +1
James Olthoff: chair James Olthoff from 2021-01-01, claim clm_F916A41DAFFB and its sources (superseded) to 2022-04-19 · nist.gov +1	2021-01-01	2022-04-19	0.95	nist.gov +1
Laurie E. Locascio: chair Laurie E. Locascio from 2022-04-19, claim clm_E2FCE1FA46B2 and its sources (superseded) to 2024-12-28 · nist.gov +5	2022-04-19	2024-12-28	0.95	nist.gov +5

What replaced what

4 replacements

Arati Prabhakar1993-01-01 to 1997-01-01→Patrick D. Gallagherfrom 2008-09-01
Patrick D. Gallagher2008-09-01 to 2014-06-01→Walter Copanfrom 2017-10-01
Walter Copan2017-10-01 to 2021-01-01→James Olthofffrom 2021-01-01
James Olthoff2021-01-01 to 2022-04-19→Laurie E. Locasciofrom 2022-04-19

Questions this record answers

Who is National Institute of Standards and Technology's chair?: The record names none as of November 13, 2026. Laurie E. Locascio held the role from April 19, 2022 until December 28, 2024, from 2 primary sources (nist.gov and content.govdelivery.com) and one further source (commerce.gov); no successor is on the record yet.
When did Laurie E. Locascio leave as National Institute of Standards and Technology's chair?: On December 28, 2024, after holding the role since April 19, 2022, from 2 primary sources (nist.gov and content.govdelivery.com) and one further source (commerce.gov).
When did National Institute of Standards and Technology's chair last change?: The latest value on the record is Laurie E. Locascio, dated April 19, 2022; before it the record holds James Olthoff, dated January 1, 2021 and closed on April 19, 2022.
What was National Institute of Standards and Technology's chair before Laurie E. Locascio?: James Olthoff, valid from January 1, 2021 to April 19, 2022 (status superseded), from a primary source (nist.gov).

Answered from the rows above, as of November 13, 2026.

Cite National Institute of Standards and Technology chair

Each form names the value, its as-of date (2022-04-19), the day you read it (2026-11-13), 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. "National Institute of Standards and Technology chair: Laurie E. Locascio", as of 2022-04-19 (until 2024-12-28). Claim clm_E2FCE1FA46B2, https://asof.is/claim/clm_E2FCE1FA46B2, accessed 2026-11-13. Source: https://www.nist.gov/director/pao/directors-national-bureau-standards-1901-1988-and-national-institute-standards-and.

APA

AsOf. (2022). National Institute of Standards and Technology chair: Laurie E. Locascio (as of 2022-04-19 (until 2024-12-28)) [Record clm_E2FCE1FA46B2]. Retrieved November 13, 2026, from https://asof.is/claim/clm_E2FCE1FA46B2 (source: https://www.nist.gov/director/pao/directors-national-bureau-standards-1901-1988-and-national-institute-standards-and)

BibTeX

@misc{asof_clm_E2FCE1FA46B2,
  author = {AsOf},
  title = {National Institute of Standards and Technology chair: Laurie E. Locascio},
  year = {2022},
  howpublished = {\url{https://asof.is/claim/clm_E2FCE1FA46B2}},
  note = {Claim clm\_E2FCE1FA46B2, as of 2022-04-19 (until 2024-12-28); source: https://www.nist.gov/director/pao/directors-national-bureau-standards-1901-1988-and-national-institute-standards-and},
  urldate = {2026-11-13}
}

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