Authors
Real people, named.
Every essay on Field Notes has a named author. We list them here so you know who's writing and what their qualifications are.
Founder & lead engineer
Bryan Ellis
Bryan founded CalorieScan AI in 2024. He writes about AI food recognition, the failure modes of consumer health apps, and the day-to-day reality of running an indie iOS company.
91 essays
Reviewing dietitian
Maya Lin, RD
Maya is a registered dietitian who reviews CalorieScan AI's nutrition science writing for accuracy. She also contributes essays on nutrition research and clinical practice.
77 essays
Contributing physician
Dr. Jordan Park
Jordan is a physician focused on metabolic health and obesity medicine. Independent contributor; not affiliated with any GLP-1 manufacturer.
67 essays
Behavioral writer
Nora Hassan
Nora writes about the psychology of eating, habits and behavior change. She is not a clinician — her writing reflects journalism and lived experience, not medical advice.
39 essays
Editorial
The CalorieScan team
Group byline used for collaborative essays and product-focused posts. Always reviewed by Bryan and at least one named contributor.
5 essays