Libor Michalek Biography and Net Worth

President of Affirm

Libor Michalek is Affirm’s President and oversees engineering, risk, operations, product and design. He previously served as Affirm's President of Technology and Chief Technology Officer. Prior to joining Affirm, Libor was an Engineering Director at YouTube and Google where he was responsible for Application Infrastructure & Site Reliability Engineering across multiple sites. During this tenure, YouTube tripled in page views, hours of video watched and revenue. Earlier in his career, Libor was the Chief Technology Officer of Slide, a personal media-sharing service, which was acquired by Google in 2010. Libor also served in software architecture and management positions at Topspin (acquired by Cisco),Egroups.com(acquired by Yahoo!), Talarian (acquired by Tibco), Thinking Machines Corporation and the National Center for Supercomputing Applications.

Libor earned his B.S. in Computer Science from University of Illinois at Urbana-Champaign

What is Libor Michalek's net worth?: The estimated net worth of Libor Michalek is at least $10.73 million as of December 4th, 2024. Mr. Michalek owns 160,601 shares of Affirm stock worth more than $10,729,753 as of May 6th. This net worth evaluation does not reflect any other investments that Mr. Michalek may own. Learn More about Libor Michalek's net worth.
How do I contact Libor Michalek?: The corporate mailing address for Mr. Michalek and other Affirm executives is 650 CALIFORNIA STREET, SAN FRANCISCO CA, 94108. Affirm can also be reached via phone at 415-984-0490 and via email at [email protected]. Learn More on Libor Michalek's contact information.
Has Libor Michalek been buying or selling shares of Affirm?: Libor Michalek has not been actively trading shares of Affirm during the last ninety days. Most recently, Libor Michalek sold 93,371 shares of the business's stock in a transaction on Wednesday, December 4th. The shares were sold at an average price of $72.00, for a transaction totalling $6,722,712.00. Following the completion of the sale, the president now directly owns 160,601 shares of the company's stock, valued at $11,563,272. Learn More on Libor Michalek's trading history.
Who are Affirm's active insiders?: Affirm's insider roster includes Katherine Adkins (Insider), Sharda Del Castillo (Insider), Siphelele Jiyane (VP), Max Levchin (Founder and CEO), Michael Linford (CFO), Libor Michalek (President), Robert O'Hare (CFO), Jeremy Philips (Director), Christa Quarles (Director), Keith Rabois (Director), and Noel Watson (Director). Learn More on Affirm's active insiders.
Are insiders buying or selling shares of Affirm?: During the last twelve months, insiders at the sold shares 26 times. They sold a total of 2,637,966 shares worth more than $217,829,446.53. The most recent insider tranaction occured on April, 14th when Director Noel Bertram Watson sold 2,000 shares worth more than $110,000.00. Insiders at Affirm own 11.0% of the company. Learn More about insider trades at Affirm.
Information on this page was last updated on 4/14/2026.

Libor Michalek Insider Trading History at Affirm

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
12/4/2024	Sell	93,371	$72.00	$6,722,712.00	160,601
12/2/2024	Sell	6,629	$72.08	$477,818.32	160,601
11/29/2024	Sell	2,847	$70.00	$199,290.00	159,449
11/25/2024	Sell	96,332	$70.01	$6,744,203.32	159,449
11/22/2024	Sell	100,821	$68.11	$6,866,918.31	159,449
11/20/2024	Sell	77,105	$64.08	$4,940,888.40	159,449
11/18/2024	Sell	100,000	$62.00	$6,200,000.00	159,449

Libor Michalek Buying and Selling Activity at Affirm

Affirm Company Overview

Affirm Holdings, Inc. operates a platform for digital and mobile-first commerce in the United States, Canada, and internationally. The company's platform includes point-of-sale payment solution for consumers, merchant commerce solutions, and a consumer-focused app. Its commerce platform, agreements with originating banks, and capital markets partners enables consumers to pay for a purchase over time with terms ranging up to 60 months. The company has active merchants covering small businesses, large enterprises, direct-to-consumer brands, brick-and-mortar stores, and companies with an omni-channel presence. Its merchants represent a range of industries, including sporting goods and outdoors, furniture and homewares, travel and ticketing, apparel, accessories, consumer electronics, and jewelry. Affirm Holdings, Inc. was founded in 2012 and is headquartered in San Francisco, California.

Today's Range

Now: $66.81

$66.20

$68.20

50 Day Range

MA: $51.90

$42.53

$67.06

2 Week Range

Now: $66.81

$42.10

$100.00

Volume

3,465,001 shs

Average Volume

5,068,154 shs

Market Capitalization

$22.26 billion

P/E Ratio

82.48

Dividend Yield

N/A

Beta

3.72