Capturing & synthesizing unbiased insights from users, your open source community & yourself
with James Campbell
February 25, 2025
We sit down with James Campbell, CTO & Co-Founder @ Great Expectations, to discuss his founding journey, considerations for starting open source, making community-driven decisions, and navigating the tension between your product vision & product roadmap. We also cover the phases that Great Expectations has cycled through, balancing the role of personal biases when making product / business decisions, how making an open-source product impacts marketing decisions, and James’ best recommendations for building out the product function as a product-involved founder.
ABOUT JAMES CAMPBELL
James Campbell is the co-founder and CTO at Great Expectations, the leading open-source data quality product. Prior to his life at a startup, James spent nearly 15 years working across a variety of quantitative and qualitative analytic roles in the US intelligence community, ultimately serving as Chief Data Scientist at CIA. He studied Math and Philosophy at Yale, and international security at Georgetown. He is passionate about creating tools that help communicate uncertainty and build intuition about complex systems.
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SHOW NOTES:
- The origin story of Great Expectations & James’ founding journey (3:28)
- Pitching / validating your idea through community (6:24)
- Transitioning from federal government to co-founder of a company (9:20)
- Recommendations when considering the founder / collaboration path (11:30)
- James’ experience starting with open source & getting 10k stars on GitHub (13:15)
- Engaging with your audience to drive growth & share your product’s message (15:17)
- How open source impacts Great Expectations’ marketing / communication (16:58)
- Navigating the tension between product vision & product roadmap (19:21)
- Where that tension showed up in Great Expectations’ early days (22:11)
- Capturing & synthesizing insights from your users (23:54)
- Strategies for removing biases from product-related decisions (25:37)
- Finding the balance between your perspective & community insights (27:13)
- James’ perspective on different levels of product analysis (29:54)
- Lessons learned from Great Expectations’ phase changes (31:22)
- Takeaways from the org’s latest experience / transition (34:51)
- Defining the “Heilmeier Catechism” & how it impacts James’ leadership style (37:07)
- Rapid fire questions (40:40)
LINKS AND RESOURCES
- CIA Guide to Analytic Tradecraft - Primer published by the CIA to assist analysts in dealing with the perennial problems of intelligence.
- American Prometheus - Kai Bird and Martin J. Sherwin’s definitive biography of J. Robert Oppenheimer, one of the iconic figures of the twentieth century, a brilliant physicist who led the effort to build the atomic bomb for his country in a time of war, and who later found himself confronting the moral consequences of scientific progress.
This episode wouldn’t have been possible without the help of our incredible production team:
Patrick Gallagher - Producer & Co-Host
Jerry Li - Co-Host
Noah Olberding - Associate Producer, Audio & Video Editor https://www.linkedin.com/in/noah-olberding/
Dan Overheim - Audio Engineer, Dan’s also an avid 3D printer - https://www.bnd3d.com/
Ellie Coggins Angus - Copywriter, Check out her other work at https://elliecoggins.com/about/