What was your role during growth? From the outside peeking in it sounds like you were possibly pushed out. Nothing wrong with that, as you have accomplished so much regardless.
the evolution of my role at Vungle would be a bit of a longer story. I wouldn't describe it as being 'pushed out' exactly.
But I feel that my business partner scaled with the company a lot better than I did personally. Me leaving certainly wasn't as dramatic/interesting as something like the Twitter founding story for example.