Private company

Fondation Jérôme Lejeune

Logo: fondationlejeune.org4

Fondation Jérôme Lejeune is a French nonprofit organization company based in Paris, founded in 1996.1 It was founded by Clara Gaymard and Jean-Marie Le Méné.1 Its revenue was €12.8 million in 2025.1

La Fondation Jérôme Lejeune, parfois simplement appelée Fondation Lejeune, est une fondation française conservatrice, qui revendique poursuivre les travaux du généticien Jérôme Lejeune, soutenant notamment la recherche sur la trisomie 21.2 From the French Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1996Founded1
  • Industryresearch and development in other physical and natural sciences1
  • HeadquartersParis, France1
  • Websitewww.fondationlejeune.org
  • Legal formfoundation, foundation recognized of public utility in France1
  • Kind of organizationNonprofit organization1
  • LEI969500X3WMB23YO56Y273
  • StatusActive3
  • LEI statusIssued and current3
  • Registered address31 RUE GALANDE, 75005 Paris, France3
  • Registered withNational Institute of Statistics and Economic Studies, 4077965563

The story

Founded by Clara Gaymard and Jean-Marie Le Méné in 1996.1

Leadership

Who has led Fondation Jérôme Lejeune, and when. Pick a name to see everywhere that person has worked.

Board members and other officers (1)

Revenue over time

As stated on Wikidata, in the currency reported.

Revenue

Fondation Jérôme Lejeune revenue by year112.8M EUR in 2025+11% since 2020
05.0M EUR10.0M EUR15.0M EUR2020: 11.5M EUR11.5M EUR20202025: 12.8M EUR12.8M EUR2025+11%
  • 202512.8M EUR1
  • 202011.5M EUR1

Timeline

  1. 1996Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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