Summary: To cut to the chase, the segment of interest is 4:07 to 8:23, as noted here; the video itself is hard to find any longer, even in official channels
Alyssa Rosenzweig is the graphics witch behind the reverse-engineered drivers for the Apple GPU. She previously led Panfrost, the free drivers for Arm Mali GPUs powering devices like the Pinebook Pro. She graduated in 2023 with a Computer Science degree from the University of Toronto and now writes free software full-time.
Now we have a project started primarily by Red Hat (and managed by Microsoft GitHub, which is proprietary) being managed by Microsoft and primarily serving Microsoft and IBM