Michael Seibel

Director/Board Member at REDDIT, INC.

Net worth: 8 M $ as of 30/05/2026

43 year

23 connections

Technology Services

Consumer Services

Finance

Profile

Michael Seibel is currently a Partner at Y Combinator LLC since 2014.
Mr. Seibel is also an Independent Director at Reddit, Inc. and Dropbox, Inc., both positions starting in 2020.
Formerly, Mr. Seibel was Chief Executive Officer at Twitch Interactive, Inc. from 2007 to 2011 and Chief Executive Officer at Socialcam, Inc. in 2012.
Mr. Seibel served as Director at Atrium Legal Technology Services, Inc. and as Advisor at Outlierz Ventures.
Mr. Seibel completed undergraduate studies at Yale University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
REDDIT, INC. 0.03%	23/05/2024	31,697 ( 0.03% )	6 M $	30/05/2026
DROPBOX, INC. CLASS A 0.04%	20/05/2026	65,333 ( 0.04% )	2 M $	30/05/2026
REDDIT, INC. CLASS A 0%	07/06/2026	5,333 ( 0% )	938 608 $	30/05/2026

Michael Seibel active positions

Companies	Position	Start
REDDIT, INC.	Director/Board Member	09/06/2020
DROPBOX, INC.	Director/Board Member	09/12/2020
Y Combinator LLC Y Combinator LLC Investment ManagersFinance Y Combinator seeks investment opportunities in companies located in the United States. The firm focuses on a broad range of sectors and industries. It provides financing for seed and early stage capital requirements.	Private Equity Investor	30/09/2014

All active positions of Michael Seibel

Former positions of Michael Seibel

Companies	Position	End
Socialcam, Inc. Socialcam, Inc. Packaged SoftwareTechnology Services Develops a social video capture, editing and sharing application	Chief Executive Officer	31/07/2012
Twitch Interactive, Inc. Twitch Interactive, Inc. Movies/EntertainmentConsumer Services Provides live video network services	Chief Executive Officer	30/09/2011
Outlierz Ventures Outlierz Ventures Investment ManagersFinance Outlierz Ventures invests in companies located in primarily in Africa, Morocco, Egypt, Nigeria, and Kenya. The firm focuses on B2B, B2B2C and tech-enabled companies. It provide financing for Seed stage capital requirements and acts as the lead investor.	Consultant / Advisor	-
Atrium Legal Technology Services, Inc. Atrium Legal Technology Services, Inc. Packaged SoftwareTechnology Services Develops software for law firm	Director/Board Member	-

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Linked companies

Private companies	8
Twitch Interactive, Inc. Twitch Interactive, Inc. Movies/EntertainmentConsumer Services Provides live video network services	Consumer Services
Yale University Yale University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Reddit, Inc. Reddit, Inc. Internet Software/ServicesTechnology Services Operates and develops online platform that offers social news aggregation, content rating & discussion	Technology Services
Y Combinator LLC Y Combinator LLC Investment ManagersFinance Y Combinator seeks investment opportunities in companies located in the United States. The firm focuses on a broad range of sectors and industries. It provides financing for seed and early stage capital requirements.	Finance
Dropbox, Inc. Dropbox, Inc. Packaged SoftwareTechnology Services Develops cloud storage and file sharing tool for businesses	Technology Services
Socialcam, Inc. Socialcam, Inc. Packaged SoftwareTechnology Services Develops a social video capture, editing and sharing application	Technology Services
Atrium Legal Technology Services, Inc. Atrium Legal Technology Services, Inc. Packaged SoftwareTechnology Services Develops software for law firm	Technology Services
Outlierz Ventures Outlierz Ventures Investment ManagersFinance Outlierz Ventures invests in companies located in primarily in Africa, Morocco, Egypt, Nigeria, and Kenya. The firm focuses on B2B, B2B2C and tech-enabled companies. It provide financing for Seed stage capital requirements and acts as the lead investor.	Finance