Katherine left under questionable circumstances (right after a rebranding attempt that absolutely exploded). Who knows what really happened, but it seems plausible it wasn't her choice.
"The Board has done its main job - changed the CEO."
https://en.wikipedia.org/w/index.php?title=Wikipedia:Village...
Victoria explicitly referred to the Knowledge Equity Fund in that post, which appears to have been Uzzell's and Maher's brainchild.
The Knowledge Equity Fund became very controversial last year when people realised it was set up to funnel millions of dollars of Wikipedia donations to non-Wikimedia social justice causes via Tides Advocacy:
https://en.wikipedia.org/wiki/Wikipedia:Wikipedia_Signpost/2...
Janeen announced on 14 May 2021, two weeks after Katherine had left, that she was going to leave the WMF and devote herself to racial equity and technology causes:
https://lists.wikimedia.org/hyperkitty/list/wikimedia-l@list...
She started as CEO of the National Society of Black Engineers on 7 July 2021, just one week after her last day with the WMF.
Including the $325K severance, she pocketed over half a million dollars for half a year's work and went straight to her next job.
[1] https://www.macmillandictionary.com/dictionary/british/quang...