What We Learned from Writing 7,000 Artist Bios
www.artsy.net/article/elena-soboleva-what-we-learned-from-writing-7-000-artist-bios
What Jamie wrote
This is specifically talking about artist bios, but I don't see why you wouldn't apply the same approach to any bio. Personally I really struggle with writing bios, so much so that I hired a writer to help write my bio.