Geoff Ralston

Geoff is a Partner at YC. He was a founder of Four11, where he built RocketMail, one of the first web mail services, which in 1997 became Yahoo Mail. At Yahoo Geoff worked in engineering, then ran a business unit, then became Chief Product Officer. After Yahoo he was CEO of Lala, which was acquired in 2009 by Apple. He cofounded Imagine K12, the first Ed Tech accelerator, which funded companies like ClassDojo and Remind, and merged with YC in 2016. He has an AB in Computer Science from Dartmouth, an MS in Computer Science from Stanford, and an MBA from INSEAD.


Startup School: Every Company that Applied is Now Accepted

We messed up and sent acceptance emails to many Startup School applicants who we didn’t previously have a place for. We’ve decided to use this error as an opportunity to try something new: we’re going to let in every company that applied to Startup School.

Startup School 2018 – Curriculum

Two weeks ago we announced Startup School 2018. Our free, online course will kick off in just three weeks, on August 28th. We also let founders know that 100 of the companies that complete the course will receive $10,000 in equity-free funding from YC.
This year’s course will feature revamped software and all new material which will be added to the extraordinary library of startup content YC has collected over the past two years of Startup School and the many years of working with and writing about startups. This work is being collected at startupschool.org/library.

Announcing Startup School 2018

We’re hosting Startup School again this year. Startup School is a free, 10-week, online course. It’s designed for any startup founder who would like to get help through the earliest, most difficult challenges of starting a company. The course will begin on August 27, 2018 and applications are now open at StartupSchool.org.

Startup Investor School: The Basics of Seed Investing

Last year, for the first time, we taught a MOOC (massively open online course) for startup founders called Startup School. This year, we’re adding a new course called Startup Investor School which will teach the basics of seed (early) stage startup investing to anyone interested. Applications are open starting today.

YC’s Essential Startup Advice

A lot of the advice we give startups is tactical; meant to be helpful on a day to day or week to week basis. But some advice is more fundamental. We’ve collected here what we at YC consider the most important, most transformative advice for startups. Whether common sense or counter-intuitive, the guidance below will help most startups find their path to success.

Hacking DNA: The Story of CRISPR, Ken Thompson, and the Gene Drive

Before CRISPR, genetic engineering was slow, expensive, and inaccurate. With CRISPR, genome editing is cheap, accurate, and repeatable. This is the story of CRISPR, concluding with a discussion of Gene Drive, a biological technique which, when used with CRISPR, gives even greater power to genetic engineers.

Transparency in Startup Investing

Geoff Ralston, Y Combinator Partner, on increasing transparency in startup investing.

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