Carl wrote a blog post over at 80,000 Hours where he discusses success rates for startups, and how these data might affect your career choice if you're aiming to donate a lot of money to effective charities:
Salary or startup? How do-gooders can gain more from risky careers
Just wanted to make something clear: 80,000 Hours is the rebranded High Impact Careers. Same team, same message -- new name.
We'd really appreciate any comments or criticisms from the LessWrong community as there seems to be a significant overlap of interests such as those linked to in the main post.
Disclaimer: I'm on the web team for 80,000 Hours.