Geoff Ralston - Founder @ Safe AI Fund - Crunchbase Person Profile

Overview

Number of Portfolio Companies

Number of Exits

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Primary Job Title Founder
Primary Organization
Safe AI Fund

Location San Francisco, California, United States
Regions San Francisco Bay Area, West Coast, Western US
Gender Male

Investor Type
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Investor Stage
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Number of Exits
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LinkedIn View on LinkedIn
X (Twitter) View on X

Geoff Ralston is the Founder of SAIF (Safe AI Fund). He previously worked as President, CEO, and Partner of Y Combinator. Geoff Ralston attended INSEAD.

Personal Investments

Number of Investments

Geoff Ralston

has made

investments. Their latest investment was

Pre Seed Round - Asymmetric Security

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, when

Asymmetric Security

raised

obfuscation

Announced Date	Organization Name	Lead Investor	Funding Round	Money Raised
obfuscated obfuscation	Asymmetric Security	—	Pre Seed Round - Asymmetric Security	obfuscated obfuscation
obfuscated obfuscation	Rain Industries	—	Seed Round - Rain Industries	obfuscated obfuscation
obfuscated obfuscation	Aesthetic	—	Seed Round - Aesthetic	obfuscated obfuscation
obfuscated obfuscation	Elpha	—	Seed Round - Elpha	obfuscated obfuscation
obfuscated obfuscation	Dost Education	—	Grant - Dost Education	obfuscated obfuscation
obfuscated obfuscation	Miso	—	Seed Round - Miso	obfuscated obfuscation
obfuscated obfuscation	Superside	—	Seed Round - Superside	obfuscated obfuscation
obfuscated obfuscation	Embark Trucks	—	Seed Round - Embark Trucks	obfuscated obfuscation
obfuscated obfuscation	Weave	—	Series B - Weave	obfuscated obfuscation
obfuscated obfuscation	Hatch	—	Series A - Hatch	obfuscated obfuscation

Partner Investments

Number of Partner Investments

Announced Date	Organization Name	Investor Name	Lead Investor	Funding Round	Money Raised
obfuscated obfuscation	Locunity	Safe AI Fund	—	Pre Seed Round - Locunity	obfuscated obfuscation
obfuscated obfuscation	Turing College	Y Combinator	Yes	Pre Seed Round - Turing College	obfuscated obfuscation
obfuscated obfuscation	Next Tech	Imagine K12	No	Seed Round - Next Tech	obfuscated obfuscation
obfuscated obfuscation	Shield Bio	Y Combinator	No	Series A - Shield Bio	obfuscated obfuscation
obfuscated obfuscation	Oolu	Y Combinator	—	Series A - Oolu	obfuscated obfuscation
obfuscated obfuscation	Shield Bio	Y Combinator	No	Seed Round - Shield Bio	obfuscated obfuscation
obfuscated obfuscation	Iris Automation	Y Combinator	No	Seed Round - Iris Automation	obfuscated obfuscation
obfuscated obfuscation	Weave	Imagine K12	—	Series B - Weave	obfuscated obfuscation
obfuscated obfuscation	Educents	Imagine K12	No	Series A - Educents	obfuscated obfuscation
obfuscated obfuscation	Triplebyte	Imagine K12	—	Seed Round - Triplebyte	obfuscated obfuscation

Exits

Number of Exits

obfuscation

Geoff Ralston

has

obfuscation

exit -

Xoopit

Geoff Ralston

has

obfuscation

exits. Their most notable exits are

Xoopit

Weave

, and

URX

Xoopit Xoopit is an email organizational tool that enables users to retrieve meaningful content from their archived email.
Weave Weave makes communicating with customers easier for businesses by integrating features like texting, phone service, fax, and reviews.
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.

Jobs

Number of Current Jobs

Number of Past Jobs

Geoff Ralston

has

current jobs including

Founder

Safe AI Fund

Founder

Imagine K12

, and

Director

Bix

. Additionally,

Geoff Ralston

has had

past jobs including

President and Partner

Y Combinator

Safe AI Fund FounderApr 2025
Imagine K12 FounderMar 2011
Bix Director

Organization Name	Title At Company	Start Date	End Date
Y Combinator	President and Partner	May 1, 2019	Dec 2022
Lala	CEO	2007	2009
Yahoo	Chief Product Officer	2003	2006
Yahoo	SVP / GM, Communications	1997	2003
Four11	VP, Engineering	1995	1997
HP	Various	1982	1992
Digital Chocolate	Director	—	—

Board and Advisor Roles

Number of Current Board & Advisor Roles

Geoff Ralston

holds

board and advisor roles including

Advisor

Educents

Angel Investor & Small Company Advisor

Raltech LLC.

, and

Advisor

Edusight

Educents AdvisorSep 1, 2014
Raltech LLC. Angel Investor & Small Company Advisor2006
Edusight Advisor
SmarterCookie Advisor
Color Labs Inc. Board Member

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