Pete Adeney, more commonly known as Mr. Money Mustache, retired at 30 after working as a software engineer for about ten years.

He blogs at MrMoneyMustache.com about how he saved money, where he invested it, and how he achieved "financial freedom through badassity".

You can apply to the W18 batch of YC here - ycombinator.com/apply

Courtland Allen is the founder of Indie Hackers, a place where the founders of profitable businesses and side projects can share their stories transparently, and where entrepreneurs can come to read and learn from those examples.

Check out the Indie Hackers podcast here.

Rana Adhikari is a Professor of Physics at Caltech and a member of the LIGO team, who were the first to measure gravitational waves.

Their detection papers are available here.

Elizabeth Iorns is cofounder and CEO of Science Exchange.

Here's info on the YC Fall Tour.

Apply to the Winter 2018 batch.

Tikhon Bernstam cofounded Scribd (YC S06) and Parse (YC S11).

Read the transcript here.

Hosain Rahman is the CEO and Founder of Jawbone. Jessica Livingston is a cofounder of YC.

Jessica interviewed Hosain during our 2014 Startup School and this is the recording of their conversation. If you'd like to check out our 2016 Startup School videos they're in a playlist here.

Laura Behrens Wu is the CEO and cofounder of Shippo.

Read the transcript here.

Lauren McCarthy is an artist and assistant professor at UCLA.

Her latest project LAUREN, is a human intelligent smart home. Lauren will visit your home, deploy a series of smart devices, and watch over you remotely 24/7. Learn more here - http://get-lauren.com

Jack Dorsey is the CEO of Twitter and Square. This is his talk from Startup School 2013.

Read the transcript here.

Phil Libin is the cofounder and CEO of All Turtles. Prior to that he was the CEO of Evernote. This is his 2013 Startup School talk.

Watch the video here.

Read the transcript here.