Puh. There are many many smart (IT) Heads gone from russia. They wont come back.
https://www.themoscowtimes.com/2022/03/22/170k-russian-it-specialists-could-emigrate-by-april-industry-a77034
https://www.newyorker.com/magazine/2022/03/28/the-russians-fleeing-putins-wartime