Momar Dieng, Senegal, is the founding director of the news and investigation website Impact.sn.

He is a founding member of the Norbert Zongo Cell for Investigative Journalists (Cenozo) in West Africa, a partner of ICIJ, and a collaborator of OCCRP. He has been a freelance journalist for several years.

Dieng has worked as a reporter and an editorial manager for several Senegalese newspapers like Tribune, Enquête and Le Quotidien. He regularly participates in various investigative journalism projects around the world (Swiss Leaks, Pandora Papers, FinCEN Files, West Africa Leaks, Senegal offshore oil reserves, among others).

He is passionate about geopolitics, diplomacy and investigations related to the problem of economic and financial governance of public resources.