Jeff Seibert is an experienced serial-entrepreneur and currently Senior Director of Product at Twitter. Previously, Seibert was the CEO of Crashlytics, which he co-founded in 2011 with Wayne Chang. Crashlytics delivered crash analysis tools for iOS and Android apps via an SDK that reached 300 Million mobile devices worldwide. Crashlytics was acquired by Twitter in 2013 for $259m. In 2007, Seibert co-founded Increo and served as its COO and lead architect until its acquisition by Box in August of 2009. He subsequently oversaw the integration of Increo’s document preview and annotation technologies into the company's cloud-based content platform. A special thank you to Mattermark for providing all the data displayed in today's show and you can find out more about Mattermark here!    In Today's Episode You Will Learn:   1.) How Jeff made his move into the wonderful world of tech?  Today we are going to break up your story into 3 chapters: 1.) Acquisition by Box:  What was it like going to Sand Hill Road to raise in 2009? How much runway would Jeff advise for a startup and how can companies know whether a strategic acquisition is optimal or whether they should continue building with a further round? Jeff has spoke before about being overly transparent with this team about the acquisition. What are the problems with being overly transparent and how can you balance the two?  2.) Acquired by Twitter: At what point did Jeff transition to thinking the acquisition by Twitter would be a beneficial and viable and why? A reason for Jeff being favourable to the acquisition was Twitter's agreement of continued investment in the space. How can founders negotiate and ensure that this occurs with their acquisition? One of the mistakes stated about the acquisition by Twitter was the reporting structure. How can founders ensure that they are speaking to the VPs of engineering, CEOs etc and attain the support they need?  3.) Life at Twitter:  How life is following the acquisition? What are Jeff's plans for the future as Senior Director of Product at Twitter?   Items Mentioned In Today's Episode: Jeff' Fave Book: How To Win Friends and Influence People by Dale Carnegie Jeff's Fave Blog or Newsletter: Daring Fireball   As always you can follow The Twenty Minute VC, Harry and Jeff on Twitter here! If you would like to see a more colourful side to Harry with many a mojito session, you can follow him on Instagram here!

Bryan Johnson is an entrepreneur and investor. He is the founder of OS Fund and Braintree, the latter of which was bought by eBay in 2013 for $800 million in cash. Bryan launched OS Fund in 2014 with $100 million of his personal capital to support inventors and scientists who aim to benefit humanity. His investments include endeavors to extend healthy human life to 100+ (Human Longevity), replicate the human visual cortex (Vicarious), mine an asteroid (Planetary Resources), reinvent transportation (Matternet), and reimagine food (Hampton Creek), among others. A special thank you to Mattermark for providing all the data displayed in today's show and you can find out more about Mattermark here!    In Today's Episode You Will Learn: 1.) How Bryan made his start in the world of tech and how he has come to the OS fund today? 2.) What was the pivotal moment in Bryan's career? When was the turning point? What was was the hardest part of the entrepreneurial journey and how did Bryan conquer it? 3.) What is the main motivation behind the OS fund? Which areas does Bryan most want to solve and where does he see significant market opportunities? 4.) Does the longevity of return to Bryan's exits concern him? Most investments exit with 10 years, human lifespan startups take a little longer! What sort of time frame does Bryan have in mind when investing in these companies? 5.) What does Bryan really perceive synthetic biology to mean? Are we seeing improvements in this sector? 6.) The OS Fund have recently released a white paper detailing extensively their process for investing? Why did Bryan decide on this open source style of investing? 7.) What would Bryan like to see more of? Where does Bryan see a lot of people investing that he thinks is a mistake?   Items Mentioned In Today's Episode: Bryan's Fave Book: Endurance: Shackleton’s Incredible Voyage to the Antarctic Bryan's Most Recent Investment: Ginkgo Bioworks   As always you can follow The Twenty Minute VC, Harry and Bryan on Twitter here! If you would like to see a more colourful side to Harry with many a mojito session, you can follow him on Instagram here!