The end-to-end platform for time-series workflows.


Praxis Pioneering

Praxis helps machine learning teams learn on time-series data. Hardened against financial forecasts of $30B+ in transactional volume, we identify the most important covariates across all of your data sources, provide hedge-fund-grade backtesting and external data feeds.

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Our Team

Nate Sauder

Nate Sauder

Founder & CEO

Before founding Praxis, Nate helped build Enlitic as a chief scientist, being one of the first pioneers to bring convolutional neural networks to medical imagery. While making CAT scans more affordable and accessible, he helped Enlitic scale to Australia and China and raised a series B. He also previously sat on the board of a $3B+ hedge fund in NYC focused on valuing proprietary datasets.

Peiyuan Liao

Peiyuan Liao

Machine Learning Engineer

Peiyuan is a Kaggle Grandmaster and was previously ranked #17 out of 1.4 million machine learning engineers across the globe at 20 years old. He also co-authored papers with Ruslan Salakhutdinov (former head of AI for Apple), and Tianqi Chen (creator of XGBoost), presented at top conferences (ICML, ICLR), and served as reviewers for prestigious journals including IEEE TPAMI & TKDE.

Geoff Campbell

Geoff Campbell

Head of Business Development

Geoff was previously SVP of Business Development and Operations at Universal Music Group (a $33B+ Company) and VP of Business Development at Sony. He helped build iFormation, a joint venture private equity firm between Goldman Sachs, General Atlantic Partners, and the Boston Consulting Group. He also founded and sold a digital news content company.

Jinmo Park

Jinmo Park

Machine Learning Engineer

Jinmo is a Kaggle Grandmaster and has been ranked as high as the top 5 competitive machine learning engineers worldwide. With 11+ years of experience, he previously led engineering at one of the top game design companies in South Korea.

Our Investors

Nicholas R. Green

Nicholas Green is the CEO and Co-Founder of Thrive Market (last valued at $650M). He was also the Founder and CEO of Ivy Insiders, which grew to 500+ locations and was acquired in 2010.

Jeff Hammerbacher

Jeff Hammerbacher is the founder of Cloudera (NYSE: CLDR, $4.7B market cap). He also invented the term ‘data science’ as the first data scientist at Facebook. Jeff has invested in Protocol Labs (built Filecoin, $6.5B market cap), Quora ($2B market cap), DataRobot ($2.7B market cap), and has had 21 exits.

Ela Madej

Ela Madej is a Managing Partner at Fifty Years, along with Seth Bannon. Fifty Years is a leading seed fund in the Valley focused on the most technologically ambitious companies. They were the earliest investors in Memphis Meats (market leader in lab-grown meat) and Astranis (satellite communications).

Gunnar Lovelace

Gunnar Lovelace is the Founder and co-CEO of Good Money ($60M+ raised), and the Founder of Thrive Market (last valued at $650M). He also started and sold two technology companies.

Justin Kan

Justin Kan was previously the Founder/CEO of Twitch (sold to Amazon for ~$1B), and a partner at Y Combinator. He is currently a GP at Goat Capital, and the host of The Quest Pod.

Daniel Kan

Daniel Kan is the Co-Founder and CPO of Cruise Automation, a self-driving car company that was acquired by GM for $581M in 2016 and has gone on to raise $12.65B in total.

Matt Krisiloff

Matt Krisiloff is the Founder and CEO of Conception. He has worked with over 150 startups as both an investor and advisor. Previously, he was a founding team member of OpenAI, and the director of Y Combinator Research, the research non-profit of Y Combinator. 

David Lee

David Lee was previously the head of SV Angel, a leading seed fund in Silicon Valley that invested in Stripe, Airbnb, Coinbase, Dropbox, Github, and other successful companies. He is currently the Head of Samsung Next.

Seth Bannon

Seth Bannon is a Managing Partner at Fifty Years, along with Ela Madej. Fifty Years is a leading seed fund in the Valley focused on the most technologically ambitious companies. They were the earliest investors in Memphis Meats (market leader in lab-grown meat) and Astranis (satellite communications).

Zal Bilimoria

Zal Bilimoria is a Founding Partner at Refactor Capital (6 exits). He previously launched a16z’s $200M Bio Fund in 2015. Zal also led Product Management across Google, Netflix, LinkedIn, and Microsoft for over 10 years.