Michael Seibel - Partner Emeritus @ Y Combinator

Overview

Number of Portfolio Companies

Number of Exits

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Primary Job Title Partner Emeritus
Primary Organization
Y Combinator

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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Website michaelseibel.com
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LinkedIn View on LinkedIn
X (Twitter) View on X

Michael Seibel is the Partner Emeritus of Y Combinator. He previously worked at Socialcam as CEO. Michael Seibel attended Yale University, where he took a Bachelor of Arts in Political Science.

Personal Investments

Number of Investments

Michael Seibel

has made

investments. Their latest investment was

Series B - Recall.ai

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, when

Recall.ai

raised

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Announced Date	Organization Name	Lead Investor	Funding Round	Money Raised
obfuscated obfuscation	Recall.ai	—	Series B - Recall.ai	obfuscated obfuscation
obfuscated obfuscation	Kira	—	Seed Round - Kira	obfuscated obfuscation
obfuscated obfuscation	Arena	—	Series B - Arena	obfuscated obfuscation
obfuscated obfuscation	CTGT	—	Seed Round - CTGT	obfuscated obfuscation
obfuscated obfuscation	Dripos	—	Series A - Dripos	obfuscated obfuscation
obfuscated obfuscation	Retell AI	No	Seed Round - Retell AI	obfuscated obfuscation
obfuscated obfuscation	Superorder	—	Series A - Superorder	obfuscated obfuscation
obfuscated obfuscation	Artifact	—	Seed Round - Artifact	obfuscated obfuscation
obfuscated obfuscation	Emerge Career	—	Seed Round - Emerge Career	obfuscated obfuscation
obfuscated obfuscation	Golden	—	Series B - Golden	obfuscated obfuscation

Partner Investments

Number of Partner Investments

141

Announced Date	Organization Name	Investor Name	Lead Investor	Funding Round	Money Raised
obfuscated obfuscation	Simple AI	Y Combinator	—	Seed Round - Simple AI	obfuscated obfuscation
obfuscated obfuscation	Legion Health	Y Combinator	—	Seed Round - Legion Health	obfuscated obfuscation
obfuscated obfuscation	FINNY	Y Combinator	—	Series A - FINNY	obfuscated obfuscation
obfuscated obfuscation	Reditus Space	Y Combinator	—	Seed Round - Reditus Space	obfuscated obfuscation
obfuscated obfuscation	Cuckoo	Y Combinator	Yes	Seed Round - Cuckoo	obfuscated obfuscation
obfuscated obfuscation	Mecha Health	Y Combinator	—	Seed Round - Mecha Health	obfuscated obfuscation
obfuscated obfuscation	FleetWorks Technology	Y Combinator	—	Series A - FleetWorks Technology	obfuscated obfuscation
obfuscated obfuscation	MarqVision	Y Combinator	—	Series B - MarqVision	obfuscated obfuscation
obfuscated obfuscation	DianaHR	Y Combinator	—	Seed Round - DianaHR	obfuscated obfuscation
obfuscated obfuscation	Motion	Y Combinator	—	Series C - Motion	obfuscated obfuscation

Exits

Number of Exits

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Michael Seibel

has

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exit -

WaystoCap

Michael Seibel

has

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exits. Their most notable exits are

WaystoCap

Triplebyte

, and

Seed

WaystoCap WaystoCap is a B2B marketplace where businesses in Africa can buy and sell products.
Triplebyte Triplebyte is a recruiting and technical screening platform for tech companies.
Seed Seed is a mobile banking service designed for freelancers, startups, and small businesses.
ScopeAI ScopeAI automatically extracts actionable insights from customer conversations using AI.
Peerwell PeerWell covers the full continuum of musculoskeletal care — from pain & prevention through to complex surgery & recovery.
Paystack Paystack fintech company that facilitates online and offline payments for businesses across Africa.
Kimono Labs Kimono Labs is an online platform that allows its users to convert their websites into APIs.
Golden Golden is a developer of a self-constructing knowledge database used to accelerate discovery and education.
Cruise Cruise is an autonomous vehicle company that develops electric cars for urban mobility.
CareRev CareRev is a healthcare staffing marketplace platform that connects health systems and local healthcare professionals.

Jobs

Number of Current Jobs

Number of Past Jobs

Michael Seibel

has

current jobs as

Partner Emeritus

Y Combinator

and

Co-Founder

Twitch

. Additionally,

Michael Seibel

has had

past jobs including

Managing Director and Partner

Y Combinator

Y Combinator Partner EmeritusMar 2025
Twitch Co-Founder

Organization Name	Title At Company	Start Date	End Date
Y Combinator	Managing Director and Partner	Oct 1, 2014	Mar 2025
Autodesk	GM, Socialcam	Aug 1, 2012	May 2014
Justin.TV	CEO	Oct 2006	Oct 2011
Socialcam	CEO	Oct 2011	—
NewMe Accelerator	Speaker	—	—

Board and Advisor Roles

Number of Current Board & Advisor Roles

Number of Past Board & Advisor Roles

Michael Seibel

is the

Board Member

Reddit Board Member

Organization Name	Title At Company	Start Date	End Date
Fiix	Advisor	—	—

Related Hubs

Hub Name	CB Rank (Hub)
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E-Learning Companies With More Than 10 Employees (Top 10K)	8,832
Grant Investors with Investments in San Francisco Bay Area	37,384
Artificial Intelligence (AI) Companies With Less Than $500M in Revenue (Top 10K)	431
Yonsei University Alumni Founded Companies	29,671
Durham University Alumni Founded Companies	35,527
James Cook University Alumni Founded Companies	67,923
Denison University Alumni Founded Companies	79,539