Dana Lewis is a researcher, engineer, and patient-driven innovator who founded the OpenAPS movement to accelerate safe, open-source automated insulin delivery worldwide. With 11+ years of experience spanning algorithm development, digital health strategy, and clinical research, she led projects from backend work on the widely used oref0 OpenAPS implementation to authoring both technical and children's books that demystify AID systems. As PI or co-PI on multiple grant-funded studies—including an RCT published in NEJM validating the OpenAPS algorithm—she blends data science, machine learning, and prospective clinical trials to translate community-driven solutions into rigorous evidence. Based in Seattle and an Honorary Research Fellow at the University of Otago, she also builds patient-facing iOS tools for exocrine pancreatic insufficiency and facilitates international health-communication communities like #hcsm. Quietly, her strength is bridging grassroots open-source engineering with formal research and policy conversations, enabling rapid, safe adoption of patient-led technologies.
11 years of coding experience
8 years of employment as a software developer
Bachelor of Arts in Communication & Information Sciences, Public Relations & Political Science; Computer-Based Honors, Bachelor of Arts in Communication & Information Sciences, Public Relations & Political Science; Computer-Based Honors at University of Alabama
Contributions:3 releases, 1597 commits, 919 PRs in 6 years 10 months
Contributions summary:Dana primarily contributed to the documentation of the OpenAPS project. Their commits focused on updating and organizing the documentation, including restructuring the table of contents, adding sub-pages, and fixing links. They also added content from the README to the main documentation page and made various formatting adjustments. The user's work aimed to improve the clarity, organization, and accessibility of the documentation for users of the OpenAPS project.
oref0: The open reference implementation of the OpenAPS reference design.
Role in this project:
Back-end Developer
Contributions:14 releases, 106 commits, 102 PRs in 5 years 7 months
Contributions summary:Dana primarily contributed to the `oref0` project by modifying setup scripts and core JavaScript files, improving the user interface, and fixing identified issues. These changes include adjusting error messages, updating setup prompts, and renaming functions. Furthermore, the user streamlined code and added more comments to improve understanding of the code.
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Dana Lewis - Honorary Research Fellow at Self-Employed