I build software and open-source tools, publish research on how attention shapes the way we learn, and write Sustained Attention, a newsletter at the intersection of all three.
I build software and open-source tools, publish research on how attention shapes the way we learn, and write Sustained Attention, a newsletter at the intersection of all three.
Data Scientist
and Engineer
Data Scientist
and Engineer
San Francisco, CA
CLAUDING
San Francisco, CA
CLAUDING
I'm a Stanford-trained psychologist and cognitive neuroscientist, as well as a seasoned full-stack engineer. I currently work on product and growth data science at Slack. During my off-hours, I'm building indie software and open-source tools. Whether I'm writing a paper or shipping a feature, I'm after the same thing — careful work that makes a difference.
I'm a Stanford-trained psychologist and cognitive neuroscientist, as well as a seasoned full-stack engineer. I currently work on product and growth data science at Slack. During my off-hours, I'm building indie software and open-source tools. Whether I'm writing a paper or shipping a feature, I'm after the same thing — careful work that makes a difference.
I'm a Stanford-trained psychologist and cognitive neuroscientist, as well as a seasoned full-stack engineer. I currently work on product and growth data science at Slack. During my off-hours, I'm building indie software and open-source tools. Whether I'm writing a paper or shipping a feature, I'm after the same thing — careful work that makes a difference.
I have a decade of experience across the stack, building software, shipping data products, and publishing research.
Slack
Senior Data Scientist
2026 → Now
Slack
Senior Data Scientist
2026 → Now
Stanford
PhD Data Scientist
2021 → 2026
Stanford
PhD Data Scientist
2021 → 2026
Slack
User Research Intern
2025 → 2025
Slack
User Research Intern
2025 → 2025
UCLA
Full Stack Engineer
2016 → 2021
UCLA
Full Stack Engineer
2016 → 2021
UCLA Health
Data Science Intern
2017 → 2018
UCLA Health
Data Science Intern
2017 → 2018
LanguageBird
Frontend Engineer
2016 → 2017
LanguageBird
Frontend Engineer
2016 → 2017
Check out some of my recently published research.
417 citations • 12 h-index • 13 i10-index • 21 publications
417 citations • 12 h-index • 13 i10-index • 21 publications
Methods in Ecology
and Evolution
charisma: An R package to perform reproducible colour characterization of digital images for biological studies
Shawn T. Schwartz, Whitney L. E. Tsai, Elizabeth A. Karan, Mark S. Juhn, Allison J. Shultz, John E. McCormack, Thomas B. Smith, & Michael E. Alfaro
2026
Methods in Ecology
and Evolution
charisma: An R package to perform reproducible colour characterization of digital images for biological studies
Shawn T. Schwartz, Whitney L. E. Tsai, Elizabeth A. Karan, Mark S. Juhn, Allison J. Shultz, John E. McCormack, Thomas B. Smith, & Michael E. Alfaro
2026
Proceedings of the
Annual Meeting of the Cognitive Science
Society
Linking student psychological orientation, engagement, and learning in college-level introductory data science
Kristine Zheng, Erik Brockbank, Shawn T. Schwartz, David S. Yeager, Christopher Bryan, Carol Dweck, & Judith E. Fan
2025
Proceedings of the
Annual Meeting of the Cognitive Science
Society
Linking student psychological orientation, engagement, and learning in college-level introductory data science
Kristine Zheng, Erik Brockbank, Shawn T. Schwartz, David S. Yeager, Christopher Bryan, Carol Dweck, & Judith E. Fan
2025
Trends in Microbiology
SARS-CoV-2: Cross-scale insights from ecology and evolution
Celine E. Snedden, Sara K. Makanani, Shawn T. Schwartz, Amandine Gamble, Rachel V. Blakey, Benny Borremans, Sarah K. Helman, Luisa Espericueta, Alondra Valencia, Andrew Endo, Michael E. Alfaro, & James O. Lloyd-Smith
2021
Trends in Microbiology
SARS-CoV-2: Cross-scale insights from ecology and evolution
Celine E. Snedden, Sara K. Makanani, Shawn T. Schwartz, Amandine Gamble, Rachel V. Blakey, Benny Borremans, Sarah K. Helman, Luisa Espericueta, Alondra Valencia, Andrew Endo, Michael E. Alfaro, & James O. Lloyd-Smith
2021
Let's Work Together
$300/hr
$10K-75K/proj
01
Research Consulting
Data-driven insights for complex problems. Leveraging ML/AI and statistical methods to help orgs make informed decisions backed by rigorous analysis.
$150/hr
$5K-50K/proj
02
Web Design & Development
Custom websites that convert. I create fast, responsive, and beautifully designed websites tailored to your brand and business objectives.
$500/hr
$15K-100K+/proj
03
App Design & Development
End-to-end mobile (iOS) and web (JS / Electron) application development. From concept to deployment, I build scalable, user-centric apps.
$250/hr
min. 2 sessions
04
Professional Coaching
Career guidance and technical mentorship. One-on-one coaching to help you level up your skills, navigate career transitions, or break into tech/research.
$350/hr
min. 4 hours
05
Workshops & Team Training
Hands-on training for data and engineering teams — experimentation, statistics, R, reproducible analysis — drawn from award-winning teaching.
$300/hr
$10K-75K/proj
01
Research Consulting
Data-driven insights for complex problems. Leveraging ML/AI and statistical methods to help orgs make informed decisions backed by rigorous analysis.
$150/hr
$5K-50K/proj
02
Web Design & Development
Custom websites that convert. I create fast, responsive, and beautifully designed websites tailored to your brand and business objectives.
$500/hr
$15K-100K+/proj
03
App Design & Development
End-to-end mobile (iOS) and web (JS / Electron) application development. From concept to deployment, I build scalable, user-centric apps.
$250/hr
min. 2 sessions
04
Professional Coaching
Career guidance and technical mentorship. One-on-one coaching to help you level up your skills, navigate career transitions, or break into tech/research.
$350/hr
min. 4 hours
05
Workshops & Team Training
Hands-on training for data and engineering teams — experimentation, statistics, R, reproducible analysis — drawn from award-winning teaching.