A software engineer and site reliability engineer.
An ISP system administrator in The Netherlands; then an SRE at Google where he worked on Gmail, before being Production Tech Lead for Calendar. After Google, worked at Twitter in Operations, before leaving.
One of The Exim Maintainers, and release coordinator for several releases, working on the Exim Mail Transfer Agent which, by some metrics, runs a plurality of the world’s mail-servers.
Strong basis in rigorous code and protocol knowledge.