As a 500 Startups Mentor, Brian guides our companies with Business Development, Consumer, Customer Acquisition, Customer Analytics, Design, Enterprise, Fundraising, and Marketing expertise.

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• Brian on Twitter Quora
• • How do I present to a VC for the first time?
  • What are some of the toughest questions a VC can ask in a pitch?
  • Is there an API for www.AllRecipes.com?
  • Are there any free APIs for food recipes?
  • Brian Witlin followed Jennifer Burke.
  • Brian Witlin followed Alex Eilhauer.
  • Why has no one been appointed the winner of Armstrong's seven tours?
  • How do I decrease my fat percentage without reducing muscle mass?
  • What are good blogs and resources on user growth strategies and tactics?
  • Who are some celebrities who are legitimate badasses in real life?