Ask no one but you.
My 2 cents, do it.
This is you, not other people.
And there are examples.
Every CEO of GE or other is running 20 firms.
Plus...
Jack Dorsey Twitter and Square Carlos Ghosn, Renault and Nissan Elon Musk, Tesla and SpaceX Warren Buffett, Berkshire Hathaway and Salomon Brothers Steve Jobs, Apple and Pixar Deion Sanders, National Football League and Major League Baseball Bo Jackson - same