Overview
Johann Schleier-Smith is a Venture Partner at Flex Capital as of November 2024 [9]. Schleier-Smith founded if(we) in October 2004, serving as Founder & CTO until May 2015 [2], and subsequently joined its Board of Directors from June 2015 to April 2017 [6]. The company grew to 300 million members and $50 million in revenue before acquisition by NASDAQ-listed Meet [7]. Schleier-Smith holds an A.B. in Physics and Mathematics from Harvard University [10], completed Part I of a PhD in Physics at Stanford University [11], and earned an MS and PhD in Computer Science from UC Berkeley [12]. Current board positions include Sama [3] and The Leila Janah Foundation [4]. Schleier-Smith also served as CEO & Founder of Crystal DBA from January 2022 to June 2025 [5] and currently holds a position in AI at Temporal Technologies [8].
Profile introduction
Inveterate entrepreneur. Led if(we) to 300m members, $50m revenue, acquisition by NASDAQ:MEET. Passionate startup advisor, board member, and occasional investor. Presently building the smart cloud infrastructure that would have made everything 10x easier.
Career history
- AIJun 2025 to presentTemporal Technologies
- Venture PartnerNov 2024 to presentFlex Capital
- Board Of DirectorsNov 2018 to presentSama
- Board Of DirectorsMay 2017 to presentThe Leila Janah Foundation
- CEO & FounderJan 2022 to Jun 2025Crystal DBA
- Board Of DirectorsJun 2015 to Apr 2017if(we)
- Founder & CTOOct 2004 to May 2015if(we)
- Founder & CTOJul 2000 to Dec 2005Jumpstart Technologies
Education
A.B., Physics and MathematicsSep 1997 - Jun 2001Harvard University
PhD (part I), Physics2001 - 2004Stanford University
MS and PhD (part II), Computer Science2015 - 2022University of California, Berkeley
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