Reagan Elm is a Head of Engineering with eight years of professional software experience and a decade-plus background in engineering roles spanning startups and large tech firms. Based in Somerville, MA, Reagan has progressed from software developer roles at athenahealth and Amazon to principal and director-level positions at Haven and Patina, now leading engineering at Liza Health. They combine hands-on cloud and infrastructure expertise—evidenced by notable open-source contributions to the widely used AWS CDK, including SNS encryption, VPC flow log improvements, and RDS snapshot handling—with strong delivery and team leadership. Reagan’s work emphasizes infrastructure-as-code, secure cloud operations, and pragmatic developer tooling improvements that reduce operational friction. Trained in biomedical engineering and computer science at Georgia Tech, they bring a cross-disciplinary mindset that blends rigorous engineering discipline with product-focused solutions. Colleagues describe Reagan as a pragmatic builder who elevates platform reliability while mentoring teams to ship scalable systems.
8 years of coding experience
13 years of employment as a software developer
PSEO Chemistry Math, PSEO Chemistry Math at University of Minnesota
Bio-Medical Enigneering BS Computer Science Mechanical Design, Bio-Medical Enigneering BS Computer Science Mechanical Design at Georgia Institute of Technology
The AWS Cloud Development Kit is a framework for defining cloud infrastructure in code
Role in this project:
Cloud Engineer / Infrastructure Engineer
Contributions:22 reviews, 8 commits, 13 PRs in 1 year 11 months
Contributions summary:Reagan primarily contributed to the AWS Cloud Development Kit (CDK) by implementing features and fixing bugs related to AWS services. They focused on enabling topic encryption within AWS SNS, adding VPC flow log S3 bucket prefix support, and improving the lambda-nodejs package manager. Additionally, the user worked on allowing cluster creation from snapshots with encrypted storage for RDS and added a concurrency option to the `cdk deploy` command. These changes demonstrate a focus on infrastructure as code and cloud resource management.
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