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Libor Michalek
Net worth: 145 M $ as of 30/12/2025
Profile
Libor Michalek holds the position of President-Technology at Affirm Holdings, Inc. In the past he occupied the position of Principal at National Center For Supercomputing Applications, Chief Technology Officer of Slide, Inc., Engineering Director at YouTube LLC and Engineering Director at Google LLC. Mr. Michalek received an undergraduate degree from the University of Illinois.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 31/12/2025 | 1,073,614 ( 0.37% ) | 80 M $ | 30/12/2025 | |
| 29/09/2025 | 875,265 ( 1.44% ) | 65 M $ | 30/12/2025 |
Libor Michalek active positions
| Companies | Position | Start |
|---|---|---|
| AFFIRM HOLDINGS, INC. | President | 08/12/2022 |
Butter Holdings Ltd.
 Butter Holdings Ltd. Develops applications that provides payment solutions | Director/Board Member | 31/01/2023 |
Former positions of Libor Michalek
| Companies | Position | End |
|---|---|---|
YouTube LLC
 YouTube LLC Internet Software/ServicesTechnology Services Provides user-generated video hosting services | Corporate Officer/Principal | 30/11/2014 |
Google LLC
 Google LLC Internet Software/ServicesTechnology Services Operates as an online search engine company | Corporate Officer/Principal | 31/08/2011 |
Slide, Inc.
 Slide, Inc. Advertising/Marketing ServicesCommercial Services Offers online personal media network | Chief Tech/Sci/R&D Officer | 31/07/2010 |
Affirm, Inc.
 Affirm, Inc. Provides online payment and pay later services for e-stores | President | - |
National Center For Supercomputing Applications
 National Center For Supercomputing Applications Information Technology ServicesTechnology Services Develops cyber infrastructure solutions | Corporate Officer/Principal | - |
Training of Libor Michalek
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Google LLC
Google LLC Internet Software/ServicesTechnology Services Operates as an online search engine company | Technology Services |
YouTube LLC
YouTube LLC Internet Software/ServicesTechnology Services Provides user-generated video hosting services | Technology Services |
Slide, Inc.
Slide, Inc. Advertising/Marketing ServicesCommercial Services Offers online personal media network | Commercial Services |
National Center For Supercomputing Applications
National Center For Supercomputing Applications Information Technology ServicesTechnology Services Develops cyber infrastructure solutions | Technology Services |
Affirm, Inc.
Affirm, Inc. Provides online payment and pay later services for e-stores | |
University of Illinois At Urbana–Champaign
 University of Illinois At Urbana–Champaign Functions as a College/University | |
Butter Holdings Ltd.
Butter Holdings Ltd. Develops applications that provides payment solutions | |
Affirm Holdings, Inc.
 Affirm Holdings, Inc. Operates as a financial lender of installment loans for consumers |
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