Tarek Ziadé is the original creator of Flake8, a super popular linter that combines pep8 and PyFlakes.
Tarek has also recently created the perf8, a tool for measuring your Python code performance. You can read more about the project in the article: Perf8: Performance metrics for Python.
If you’d like to see what else Tarek is up to, you can find him on Mastodon.