Ballmer and Yoga
https://www.zdnet.com/article/ballmer-i-may-have-called-linux-a-cancer-but-now-i-love-it/
says:
Funny anecdote - Perhaps his new-found peace with Linux is linked to yoga, a practice he said he has taken up after leaving Microsoft in 2014.
Perhaps Marcin's founding of OSE can be linked to Yoga, a practice which he has taken up around 1998 - 5 years before founding OSE in 2003.