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 Blog
• • @blahdie no worries. That's a bummer.
  • Congrats @diamondmma for an amazing product review. 5stars! UFC mandate? @takedowndesign, @danawhite, @lorenzofertitta http://t.co/nb3uKbPF
  • “@loh: Stem Cell Theranostics turns skin cells into a stem cell clinical trial for heart-toxicity in drugs. #StartX” Agreed. Badass demo!
  • @loh saw your tweets and noticed we have a lot in common! Would love to meet sometime.
  • Super successful #StartX VIP demo night. Congrats to all of the presenting companies. Solid work! http://t.co/Ek7ScJsU
  • RT @loh: I'm happy to see "staying sane" a theme in @StartX's portfolio tonight. I try to advise this to my companies. Some things can't ...
  • “@cdixon: q: who's your favorite video game hero? a: the long red piece in Tetris.” my answer: little Mac from Mike Tyson's Punchout.
  • Video: The following painting recreation by Petros Vrellis is an interactive animation of Vincent Van Gogh’s... http://t.co/1nisRFie
  • StartX Demo Day: A Direct Link Between Silicon Valley And Top Stanford Student Entrepreneurs http://t.co/RKvF1LGX via @TechCrunch
  • Entrepreneurship is like having children. It requires years of sacrifice motivated by one day of enthusiasm. Via @arrola
• • Why would Facebook need to raise 5 billion from an IPO when it already makes 1 billion in profits per year?
  • Brian Witlin followed Thomas Maiorana.
  • Brian Witlin followed Ron Allen.
  • Brian Witlin followed Jon Zanoff.
  • Do partnerships between two early stage startups make sense?
  • What is the difference between Tumblr and Posterous? And which one is more stable?
  • Should I remove my wedding band before a VC pitch?
  • Is it okay to be a generalist when starting a company?
  • Brian Witlin followed the topic Mashable.
  • Brian Witlin followed the topic Snacks.
• • The following painting recreation by Petros Vrellis is an...
  • Zuckerberg's 5 core "Hacker Way" values
  • Brian Witlin’s ShopWell Demo at Health 2.0 in San Diego. 
  • Dinner at Bistro - Oil On Canvas - 2011, by Brian Witlin
  • "Don’t mistake a clear view for a short distance"
  • emergentfutures: Using Twitter Improves Students’ Grades, And...
  • Obsessed with Lytro
  • Dear Photograph, which has gone viral since it sprung up less...
  • "Never, never, never, never give up."
  • Interview With Craig Diamond, Founder of Diamond MMA