The people who know the most about a career path are usually the people following that path themselves.

Luckily, some members of the effective altruism community have written about their jobs, including insider tips on how to get into similar positions, and how to have an impact once you’re there.

Here are a few we think are especially exciting.

Read next:  Learn about other high-impact careers

Want to consider more paths? See our list of the highest-impact career paths according to our research.

Plus, join our newsletter and we’ll mail you a free book

Join our newsletter and we’ll send you a free copy of The Precipice — a book by philosopher Toby Ord about how to tackle the greatest threats facing humanity.