Łukasz Langa. Python guy at Meta. Previously, CPython Developer in Residence. Python 3.8 and 3.9 release manager. Creator of Black, an opinionated code formatter.
Contact information in the KeyBase link below.
[ my public key: https://keybase.io/ambv; my proof: https://keybase.io/ambv/sigs/YFlWGlv21O-p2KBCGkahQq5QvzaW2fYVzzXGYMEreM8 ]