PeopleofSuperintelligence

Researcher

Andreas Herzig

As of October 2026, Andreas Herzig is a CNRS research director at IRIT. He earned a doctorate on automated deduction in modal logic in 1989 and joined CNRS in 1990. At IRIT, he led the LILaC team (2000–2005) and AI Department (2009–2020), then headed the French National Research Agency’s AI and Data Science committee (2022–2025). Since 2015, he has served as editor-in-chief of the Journal of Applied Non-Classical Logics. His 2020 chapter, *Reasoning About Action and Change*, appeared in *A Guided Tour of Artificial Intelligence Research*; his 2025 AAAI paper introduced belief base reformulation; a 2026 lecture explored irrelevance in belief revision.

Now at
CNRS, Institute for Research in Computer Science of Toulouse, Université Toulouse Capitole and Université de Toulouse
Works
492
Citations
4,465
h-index
35
Badges

Publication numbers from OpenAlex, as of 18 October 2026.

Timeline

  1. 1989–1990

    A doctorate in modal logic

    He completes a 1989 doctorate in computer science at Paul Sabatier University in Toulouse on automated deduction in modal logic and joins CNRS in 1990.

  2. 2000–2020

    Leading IRIT teams

    He leads the LILaC team from 2000 to 2005 and IRIT’s AI Department from 2009 to 2020.

  3. Since 2015

    Editing a logic journal

    He has served as editor-in-chief of the Journal of Applied Non-Classical Logics since 2015.

  4. 2020

    Reasoning about action and change

    He co-authors the 2020 chapter *Reasoning About Action and Change* in *A Guided Tour of Artificial Intelligence Research*.

  5. 2022–2025

    France’s AI committee

    From 2022 to 2025, he heads the French National Research Agency’s Committee on AI and Data Science.

  6. 2025

    Reformulating belief bases

    He co-authors the 2025 AAAI paper *On the Logic of Theory Base Change: Reformulation of Belief Bases*, which introduces a way to make selected sentences explicit without changing a belief base’s consequences.

  7. April 2026

    Belief revision in modal logic

    In April 2026, he presents a lecture linking syntax irrelevance in belief revision to vocabulary preservation.

  8. As of October 2026

    CNRS research at IRIT

    He is a CNRS researcher (Directeur de Recherches CNRS) in IRIT’s LILaC group as of October 2026.

Career

  1. Since 2000Institute for Research in Computer Science of ToulouseTeam Leader, Department Head
  2. Since 1990CNRSCNRS Research Director
  3. 2022–2025French National Research AgencyCommittee Head
  4. 1991–2000Université Toulouse Capitole
  5. 1988–1990Université de Toulouse
  6. 1988–1990Université Toulouse III - Paul Sabatier

Education

  1. 1989Paul Sabatier UniversityDoctorate in Computer Science

From the biography and OpenAlex affiliations (the years of papers that list the organization), so some years are approximate.

Most-cited works

  1. Institution-independent Model Theory2008 · Birkhäuser Basel eBooks · 167 citations
  2. ‘KNOWABLE’ AS ‘KNOWN AFTER AN ANNOUNCEMENT’2008 · The Review of Symbolic Logic · 139 citations
  3. Propositional belief base update and minimal change1999 · Artificial Intelligence · 138 citations
  4. A logical formalization of the OCC theory of emotions2009 · Synthese · 118 citations
  5. A logic of trust and reputation2009 · Logic Journal of IGPL · 103 citations

From OpenAlex, as of 18 October 2026.

  1. The company share of AI researchers’ top papers rose from 3% to 32%Includes CNRS. We estimate where leading AI researchers worked when their most-cited papers appeared. The company share rose from 3% in 1975–1979 to 32% in 2020–2024.
  2. Google had the most people shaping AI every year from 2014 to 2025Includes CNRS. Our estimates of which organizations employed the most people shaping AI from 1961 to 2025, with a year-by-year chart.
  3. Google has the highest combined h-index among AI organizationsIncludes CNRS. Our estimates of combined and median h-index at AI organizations, using current affiliations and OpenAlex records.
  4. More people shaping AI studied at Massachusetts Institute of Technology than at any other institutionIncludes Université Toulouse III - Paul Sabatier. Our estimates of where the people shaping AI studied and where their careers led, from education records in cited biographies.

Colleagues

People with dated positions at the same organization in the same years.

Sources and credits

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  1. LILaC: Andreas Herzig irit.fr. Checked 18 October 2026.
  2. 逻辑与形而上学系列讲座第五讲丨Andreas Herzig：信念修正中的不相关性与词汇保持性 | 中山大学哲学系 philosophy.sysu.edu.cn. Checked 18 October 2026.
  3. CV HAL - Andreas Herzig cv.hal.science. Checked 18 October 2026.
  4. On the Logic of Theory Base Change: Reformulation of Belief Bases ojs.aaai.org. Checked 18 October 2026.
  5. LILaC: Andreas Herzig irit.fr. Checked 18 October 2026.