# Nathan Wong

![Nathan Wong](/resources/cognition/portraits/nathan-wong.webp)

Member of Technical Staff at Cognition; ex-founding engineer at Skio (acq. by Recharge); founder of Atomic Grader  
Cognition  
San Francisco Bay Area

## At Cognition

- Role: Member of Technical Staff (Engineering)
- Joined: Jul 2026
- How they joined: Directly
- Before Cognition: Founding Engineer, Skio
- Overlapped before Cognition with other Cognition people at: UC Berkeley (https://www.autumn.ai/resources/cognition/worked-together)

## Identity
- LinkedIn: https://www.linkedin.com/in/nathanwo
- GitHub: https://github.com/toraora
- Website: https://tora.dev/
- Domain: cognition.ai

## Notes
- Joined Cognition as Member of Technical Staff in July 2026, right after Skio's April 2026 sale to Recharge. (https://www.linkedin.com/in/nathanwo)
- Self-describes on his personal site as 'a human software engineer at Cognition AI', founder of Substructure Inc. (runs Atomic Grader), previously founding engineer at Skio (acquired by Recharge), growth/infrastructure engineer at Thumbtack and email infrastructure engineer at Zazzle. (https://tora.dev/)
- Recharge acquired Skio (YC S20 subscriptions platform for Shopify brands) on April 30, 2026 for a reported $105M in cash; Nathan was a founding engineer there from Jan 2023 to Jul 2026. (https://www.loopwork.co/blog/recharge-payments-vs-skio-subscriptions)
- Skio team page lists him as Founding Engineer, 'Previously: Thumbtack (Growth, Infrastructure), Zazzle, Berkeley.' (https://skio.com/team)
- Cognition acquired Windsurf (IP, product, trademark, brand and team) in July 2025, the product line now called Devin Desktop; Nathan joined a year later. (https://devin.ai/blog/windsurfs-next-chapter)
- Public headline says "Cognition". (https://www.linkedin.com/in/nathanwo)
- Atomic Grader ([Ag]) splits exam answer sheets into atomic answer components for remote, parallel grading; built by UC Berkeley and Stanford students/alumni originally to run math tournaments. (https://atomicgrader.com/)
- Recent own repos include toraora/kube-config (pushed 2026-11-03), sfbanorcalarml.org (SF Bay / NorCal ARML team site, 2026-10), tora.dev (Astro, 2026-08), amc and sluice (TypeScript, 2026-04), aoc-2024 (Rust), mathtournamentcalendar.com, backup-retention (Go, S3 backup retention policies) and powerline-bart (BART train Powerline segment). (https://api.github.com/users/toraora/repos)
- GitHub account toraora (created 2013) lists company @usacognition and membership in @lemniscate-education; 42 public repos, mostly personal tooling and forks. (https://github.com/toraora)
- Nathan Wong is identified as a BMT organizer and is quoted about the Power Round: 'We hope to introduce new ways of mathematical thinking and problem solving to BMT participants' and 'We have a great opportunity in the Power Round to showcase mathematical rigor in niche or unexpected places.' (https://harkeraquila.com/84621/science-and-technology/competitors-achieve-high-scores-at-berkeley-math-tournament/)
- The Berkeley Math Tournament (BMT) took place at the University of California, Berkeley on Nov. 2, with 1,000 students from across the nation competing. (https://harkeraquila.com/84621/science-and-technology/competitors-achieve-high-scores-at-berkeley-math-tournament/)
- Co-authored MIT Mystery Hunt 2023 puzzles 'Cute Cats' (with Moor Xu) and a 4D Geo puzzle with Austin Lei, Evan Chen and Moor Xu as part of the writing team. (https://devjoe.appspot.com/huntindex/puzzle/mit2023r10l21)
- Listed under 'Web and Infra' for the 2020 Teammate Hunt Collaborators named: Zhan Xiong Chin, Alex Irpan, Ivan Wang. (https://2020.teammatehunt.com/wrapup)
- Listed under 'Additional Testsolvers' for the 2020 Teammate Hunt Collaborators named: Herman Chau, Zhan Xiong Chin, Andrew He, Harrison Ho, Dominick Joo, Ashley Kim, Lara Seren, Jonathan Wang, Moor Xu. (https://2020.teammatehunt.com/wrapup)
- Nathan Wong stayed throughout the entire Berkeley Math Tournament competition and informed Irvington's Math Club that they finished third. Collaborators named: Mrs. Rothfuss. (https://ihsvoice.com/2014/04/14/irvington-places-third-at-berkeley-math-contest/)
- Co-authored the puzzle '4D Geo (Wyrm)' Collaborators named: Austin Lei, Moor Xu, Nathan Wong. (https://blog.evanchen.cc/mh-2023/)
- Previous roles include Founding Engineer at Skio; Software Engineer at Thumbtack; Software Engineer at Zazzle; Software Engineering Intern at Zazzle; Intern at Renewable Energy Test Center. (https://www.linkedin.com/in/nathanwo)
- Education history includes Bachelor's Degree, Mathematics and Computer Science, University of California, Berkeley. (https://www.linkedin.com/in/nathanwo)
- Also active on GitLab as @toraora with 20 (mostly private) contributions in the last 12 months. (https://gitlab.com/toraora)
- Ran a separate work GitHub account nathan-skio (created 2023-01-04, company Skio). (https://github.com/nathan-skio)
- Interned at Renewable Energy Test Center in Fremont (2012-2014) on document automation, inventory and compliance data logging with Propeller MCU, BeagleBone, PHP, SQL, LaTeX and Python, before Berkeley. (https://www.linkedin.com/in/nathanwo)
- Location is San Francisco Bay Area. (https://www.linkedin.com/in/nathanwo)

## Experience
- Member of Technical Staff at Cognition (Jul 2026 - Present)
- Founding Engineer at Skio - San Francisco Bay Area (Jan 2023 - Jul 2026): acquired by Recharge
- Software Engineer at Thumbtack - San Francisco Bay Area (May 2018 - Dec 2022)
- Software Engineer at Zazzle - San Francisco Bay Area (May 2016 - May 2018)
- Software Engineering Intern at Zazzle - San Francisco Bay Area (May 2015 - Aug 2015)
- Intern at Renewable Energy Test Center - Fremont, CA (Jan 2012 - Jan 2014): Automated document processing, inventory management, data logging for compliance.
Worked both with hardware (Propeller MCU, BeagleBone) and software (PHP, SQL, LaTeX, Python).

## Education
- University of California, Berkeley - Bachelor's Degree, Mathematics and Computer Science - (Jan 2013 - Jan 2016)

## Sources
- https://www.linkedin.com/in/nathanwo
- https://tora.dev/
- https://atomicgrader.com/
- https://2020.teammatehunt.com/wrapup
- https://ihsvoice.com/2014/04/14/irvington-places-third-at-berkeley-math-contest/
- https://devin.ai/blog/windsurfs-next-chapter
- https://api.github.com/users/toraora/repos?per_page=100&sort=pushed
- https://blog.evanchen.cc/mh-2023/
- https://harkeraquila.com/84621/science-and-technology/competitors-achieve-high-scores-at-berkeley-math-tournament/
- https://gitlab.com/toraora
- https://www.loopwork.co/blog/recharge-payments-vs-skio-subscriptions
- https://github.com/nathan-skio
- https://devjoe.appspot.com/huntindex/puzzle/mit2023r10l21
- https://skio.com/team
- https://github.com/toraora
- https://www.linkedin.com/company/cognition-ai-labs/posts
- https://api.github.com/users/toraora/repos


Researched with Autumn (https://www.autumn.ai) from public sources. Updated 2026-11-04. Profile: https://www.autumn.ai/resources/cognition/people/nathan-wong · Everyone at Cognition: https://www.autumn.ai/resources/cognition/people