Remember that the specifics of your PhD are probably mostly irrelevant to most commercial organisations; other than the larger ones who maybe have dedicated R&D functions... but you ruled them out.
One thing to keep in mind is that you will face pressure and stress wherever you go - it will just be of different type. Non-academic jobs come with a whole bunch of extra responsibilities which you will also likely feel are beneath you.
I occasionally long for the relative simplicity of academia and the ability to work on genuinely interesting / novel things.
I was reading this thread (https://news.ycombinator.com/item?id=16798887) as I'm in a vaguely similar position... numbers aren't the same but relatively speaking it's the same situation. I've recently quit a high-paying job to co-found a startup.In short, we weren't happy doing what we were doing - too much management BS, had drifted away from doing the real tech stuff, so when an opportunity...