A bit of context: I work in the Silicon Valley at a large, Big 4 corporation. I was involuntarily moved under a different manager without a reasonable amount of time of advance notice. Essentially, my former manager had bit off a little too much than he could chew; about a year ago, he ended up inheriting several new members and projects under him. His team grew to > 12 people with around 4 different projects happening at once.
I had worked on the same project under my former manager for about a year. He decided a month ago that, in addition to other favorable projects he's been overseeing, the scope of the project I was working on was too large for him to manage. I never really had a great relationship with my former manager; I (in hindsight, mistakenly) told him that I was interested in exploring different opportunities internally.
Effectively, he gave me a week's notice that I would be working under a different manager, and the project I was working on is now going to be owned by that manager. Now that manager is working under my former manager. So technically I got demoted. I'm not really too mad about being demoted, though I should be, but I'm more upset that I got moved under a different manager without any real discussion or consent. Simply put, I don't really like my new manager at all. His people skills suck and I'm starting to get annoyed more and more every day having to work for him.
What's the best way to go about requesting a new manager entirely? Am I being naive? Is it feasible? It may mean moving to a different team, which I am okay with. I am thinking of talking to my former manager's manager instead because I feel like nothing will get done if I try to talk to my former manager.
As a side note, I don't think I'm ever working corporate again.