He is a Git developer since June 2006. He has been working on many part of Git, especially "git bisect" and lately "git rebase". Since March 2015 he is an editor of the monthly Git Rev News newsletter. He works from his home in Paris, France as a freelance consultant and developer for Booking.com and GitLab on Git, and for Protocol Labs on IPFS (https://ipfs.io/). He has given presentations about Git at many conferences since 2009.