Michael Seibel logo
Michael Seibel logo
Michael Seibel logo
Michael Seibel logo

Michael Seibel

Michael Seibel is a group partner of Y Combinator, and the co-founder and former CEO of both Justin.tv (which later became Twitch) and SocialCam.

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Companies
Company
Roles
Partnered

Also known as Sponsorfied, Partnered is a company providing sponsorship management solutions.

Investor
Arcus Financial Intelligence

Formerly Regalii, Arcus is a financial technology company. It builds platforms for to users manage and pay recurring services such as bills, credit cards and subscriptions. The company's investors include IGNIA, Andreessen Horowitz, Winklevoss Capital Management, HOF Capital and Y Combinator.

Investor
True Link Financial

True Link Financial is a company providing financial services including payments, investment and insurance products for retired clients.

Investor
AptDeco

AptDeco is a company providing an online marketplace for buying and selling furniture.

Investor
Cambly

Cambly is a platform that provides access to English language tutors via video chat.

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Clipboard Health

A company that participated in the W17 cohort of Y Combinator. It provides a marketplace connecting nurses with jobs.

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Kudi (company)

A company that participated in the W17 cohort of Y Combinator

Investor
REZI (company)

A rental company utilizing analytics, technology and financial products to improve the rental experience for both landlords and tennants

Investor
Rippling

Rippling is a software company providing cloud-based employee management solutions. It combines human resources, information technology, and operations. It was founded in 2016 and has locations in San Francisco, California and Bangalore, India.

Investor
Homebase

Personalized rent-to-own real estate financing using technology in SEA

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Awesomic

Awesomic is a Kyiv, Ukraine-based web design company that matches web designers with clients.

Investor
Fazz

Fazz is a company founded by Tianwei Liu, Hendra Kwik, Jefriyanto Guang, Ricky Winata and Victor Leiw Jia Hao.

Investor
RankScience

RankScience is a startup company automating split-testing for SEO founded in 2016 by Ryan Bednar.

Investor
Wifi.com.ng

Wifi.com.ng is a company providing internet access in NIgeria founded in 2012 by Kendall Ananyi.

Investor
Riley (company)

A company offering personalized texts and schedule text campaigns to customers or leads

Investor
Tizeti

Tizeti is a company founded in 2015.

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ScopeAI

ScopeAI is an artificial Intelligence company founded by Luciano Arango.

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Transcelestial Technologies

Transcelestial Technologies is a communications company that is creating a space laser network for communication purposes. It is located in Singapore and was founded in 2016.

Investor
Jopwell

Career advancement platform for Black, Latinx, and Native American students and professionals.

Investor
Initialized Capital

A venture capital firm based in San Francisco, California that was founded by Garry Tan, Alexis Ohanian and Harjeet Taggar in 2012. The firm focuses primarily on making investments in the software industry.

Investor
Bellabeat

Bellabeat is an artificial intelligence company developing products for women to track their health and wellness.

Investor
Waystocap

Business to business managed marketplace company focused on Africa. WaystoCap was founded in 2014, it is headquartered in Casablanca, Morocco.

Investor
Afrostream

A subscription video on demand company providing access to Afro-American and African movies and TV series

Investor
BlueCrew

A company offering a platform connecting job seekers to employers

Investor
Scentbird

Scentbird is a company that provides subscription service for designer fragrances. It sends 30-day supply of perfumes and colognes for clients try out and find the right match for them without the price of a full size bottle.

Investor
Triplebyte

Triplebyte is a company developing a recruiting and technical screening platform for technology companies.

Investor
DoseDr

A company operating as a telemedicine platform giving diabetes patients the correct amount of insulin and connecting patients to their physician

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SpoonRocket

SpoonRocket is a company offering a food delivery platform.

Investor
SketchDeck

SketchDeck is a company providing a platform for designing presentations and infographics for companies and organizations.

Investor
EquipmentShare

EquipmentShare is a company providing a peer-to-peer equipment rental marketplace and telematics and equipment utilization services.

Investor
ThinAir

ThinAir is a Palo Alto, California-based company founded in 2013.

Investor
Human Interest

Human Interest (formerly Captain 401) is a company that participated in the S15 cohort of Y Combinator. It offers 401(k) retirement plans for small businesses and startups. It was founded in 2015 and is located in San Francisco, California.

Investor
Kimono Labs

Kimono Labs is a company providing an online platform that enables its users to convert their websites into APIs. It participated in the W14 cohort of Y Combinator.

Investor
Lugg (company)

Lugg is a mobile app for on-demand, small moves.

Investor
Exec (company)

Exec is a company providing a platform for finding and booking house cleaning service. It participated in the W12 cohort of Y Combinator.

Investor
Precursor Ventures

A venture capital company that makes investments in early-stage funding rounds for start-up companies. It was founded in 2015 and is located in San Francisco, California.

Investor
Wave (company)

Wave is a company founded in 2014 by Manuel De La Esperanza Fernández-Palacios, Luis Gelado Crespo and Pablo Clemente.

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Cherubic Ventures

A Beijing based venture capital firm that invests in early stage technology companies.

Investor
Reach Labs

A long-range wireless charging technology company. It is located in Oakland, California and was founded in 2015.

Investor
Locol

Locol is a company founded by Amy Shortle, Lee Mosbacker, Beau Rosser, Kyle Ankrum and Jon Buehler.

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Modernist

Modernist is a company founded in 2015 by Steve Chen.

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Burrow (company)

Burrow is a company offering customized sofas and chairs founded in 2016.

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Squire

Squire is a booking and payment platform that connects people with great barbers.

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Brex

Brex is a credit card company that issues corporate credit cards with no security deposit.

Investor
iLabService

iLAbService is a company providing analytics, monitoring, management and automation services for laboratories using IoT and AI technologies.

Investor
Career Karma

Career Karma offers a platform to discover peers, coaches and mentors to accelerate an individual's career. Career Karma helps people find career advice and job training to navigate their careers. Career Karma is the easiest way to find a job training program online. We help over 2.5 million workers navigate their careers.

Investor
Qwest (technology company)

Qwest is a company providing a convenience service that allows users to skip lines at popular locations such as clubs, bars, lounges and events in the city.

Investor
Grain Technology

Grain Technology is a company founded in 2017 by Carl-Alain Memnon, Patrick DeSuza, Christian Joseph, Christian-Robert Joseph and Patrick De Suza.

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CareRev

CareRev is a Venice-based company founded in 2015 by Derrek Long, William H Patterson and Sofia Pessanha.

Investor
Goodcover

A technology company offering an insurance platform that returns their customer unclaimed premium.

Investor
Vitable Health

Vitable Health is a concierge urgent care founded in 2019 by Joseph Kitonga.

Investor
Figma

Figma is a company offering an online platform for collaborative design in team environments.

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PeerWell

PeerWell is a San Francisco-based company founded in 2015 by Manish Shah, Navin Gupta and Evan Minamoto.

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Mattermost (Company)

Mattermost is an enterprise software company.

Investor
Elpha

Elpha is an online platform where women in the technology sector can contribute advice, collaborate on projects, and help each other find new career opportunities.

Investor
Bishop Fox

Bishop Fox provides tailored security consulting services to companies across all industries.

Investor
Promise

Promise is a San Francisco-based financial technology company offering payment processing tools and services for government organizations and resident debt management.

Investor
Reddit

Reddit is an online platform for social news. It allows communities to submit links, create content, and discuss any topic of their interest.

Investor
Wallet (software)

Wallet is an application in ios founded in 2010 by Honza Muller.

Investor
EasyPost

EasyPost is a company providing a postage API allowing developers to integrate shipping into e-commerce application.

Investor
Golden

Golden is a San Francisco-based company building a knowledge graph. The founder and CEO of Golden is Jude Gomila.

Investor
Aella Credit

A Nigerian financial technology strartup company providing loans with competitive rates to employees through their employers

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Give Campus

A social fundraising, engagement and volunteer management platform for educational institutions

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PayFazz

PayFazz is a financial technology development company in Indonesia founded in 2016 by Hendra Kwik.

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Paystack

A technology company providing payments infrastructure for businesses in Africa

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Zenysis

A company building data analysis software for developing countries

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Panorama Education

Panorama Education is a data analytics company for K-12 education.

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