Number of Portfolio Companies 31
Number of Exits 
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  • Primary Job Title President and Partner
  • Primary Organization 
    Y Combinator
  • Investor Type  Investment Partner, Individual/Angel
  • Investor Stage  Seed
  • Number of Exits 
Geoff Ralston is the President, CEO, and Partner of Y Combinator. He previously worked at Imagine K12 as a Founder. Geoff Ralston attended INSEAD.
Number of Investments 31
Geoff Ralston has made 31 investments. Their latest investment was Seed Round - Rain Industries on Sep 21, 2023, when Rain Industries raised
$9.7M
.
Announced Date  
Organization Name  
Lead Investor  
Funding Round  
Money Raised  
Sep 21, 2023
Rain Industries
Seed Round - Rain Industries
$9.7M
Apr 28, 2020
Aesthetic
Seed Round - Aesthetic
$3.1M
Nov 6, 2019
Elpha
Seed Round - Elpha
$1.1M
Mar 21, 2017
Dost Education
Seed Round - Dost Education
Nov 16, 2016
Miso
Seed Round - Miso
₩3.1B
Aug 9, 2016
Superside
Seed Round - Superside
$1.5M
May 31, 2016
Embark Trucks
Seed Round - Embark Trucks
$2.1M
Oct 15, 2015
Hatch
Series A - Hatch
$7M
Oct 1, 2014
Front
No
Seed Round - Front
$3.1M
Apr 17, 2014
Nervana
Seed Round - Nervana
$600K
Number of Partner Investments 11
Number of Exits 
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Geoff Ralston has exits. Their most notable exits are XoopitURX, and Tutorspree.
  • Xoopit Xoopit is an email organizational tool that enables users to retrieve meaningful content from their archived email.
  • URX URX drives mobile commerce through relevant product ads.
  • Tutorspree Tutorspree is an online platform that offers web based tuition services for the U.S students on various subjects.
  • Nervana Nervana focuses on building technology to power the next generation of intelligent applications.
  • Mint Mint aggregates all your financial life in one, easy-to-understand place. Mint also gives you free advice on how to save money
  • Maya's Mom Maya’s Mom is a social interactive site enabling parents to share their thoughts via “journals” and receive general parenting advice.
  • Mailgun Mailgun offers APIs that allow users to send, receive and track emails.
  • Imeem Imeem is an online music service that provides fans with access to songs they want.
  • Humanoid Humanoid is a software company providing solutions for computer programmers to utilize human intelligence in software applications.
  • Filestack Filestack, Inc. provides a Software-as-a-Service solution to help software developers manage images, videos.
Number of Current Jobs 3
Number of Past Jobs 6
Geoff Ralston has 3 current jobs including President and Partner at Y Combinator, Founder at Imagine K12, and Director at Bix. Additionally, Geoff Ralston has had 6 past jobs including CEO at Lala.
Organization Name  
Title At Company  
Start Date  
End Date  
Lala
CEO20072009
Yahoo
Chief Product Officer20032006
Yahoo
SVP / GM, Communications19972003
Four11
VP, Engineering19951997
HP
Various19821992
Digital Chocolate
Director
Number of Current Board & Advisor Roles 5
Geoff Ralston holds 5 board and advisor roles including Advisor at Educents, Angel Investor & Small Company Advisor at Raltech LLC., and Advisor at Edusight.
Geoff Ralston studied at Stanford UniversityINSEAD, and Dartmouth College.
Number of News Articles 165
Funding RoundSep 21, 2023
Rain Industries raised $9,700,000 / Seed from Blake Scholl and 14 other investors
NewsAug 29, 2022
NewsDec 14, 2020
Funding RoundApr 28, 2020
Aesthetic raised $3,100,000 / Seed from A.Capital Ventures and 18 other investors
NewsNov 21, 2019
Funding RoundNov 6, 2019
Elpha raised $1,100,000 / Seed from Friále and 10 other investors