photo of Stefano Zacchiroli
photo © 2016 Inria / Photo G. Scagnelli, CC BY-ND 4.0

Hi, I'm Zack and this is my homepage.

who Dr. Stefano Zacchiroli
position Full Professor (French: professeur)
affiliation LTCI, Télécom Paris, Polytechnic Institute of Paris
address 19 place Marguerite Perey, 91120, Palaiseau, France (access info)
office 4.D48
phone +33 1 75 31 92 06
social mastodon
GPG public key

I'm full professor of computer science at Télécom Paris (part of the Polytechnic Institute of Paris), as a member of the ACES team.
I'm co-founder and CTO of Software Heritage, the largest public archive of software source code.
More about my professional life and education can be found in my linked in profile.

I'm a Free Software activist and developer.
I'm a member of the Debian project, where I've served as Debian Project Leader for 3 terms (2010-2013).
I'm also a former board director of the Open Source Initiative.


  • We are hiring a postdoctoral researcher to work with my team at the Polytechnic Institute of Paris, for 15 months in the field(s) of software engineering and cybersecurity. The recruited person will work on large commit graphs (from Software Heritage), public vulnerability databases, and the relationships between the two, to improve the security of free/open source software and its supply chain. See the job description for details and application instructions. Contact me via email for inquiries.