Mitchell also reveals in his blog that advice from IT career coaches is not cheap: a single meeting can cost $500/hour."... When you're designing and developing, it's fun, it's creative, it's low key. Then all of a sudden, because you're so good at it, you get promoted, and it pulls you out of what you enjoy and into an administrative role, managing other people and doing paperwork. You're forced into left-brain mode. That becomes stressful.
"The eleventh commandment was `Thou Shalt Compute' or `Thou Shalt Not Compute' -- I forget which." -- Epigrams in Programming, ACM SIGPLAN Sept. 1982