Senior Product Manager & Builder
I'm a biomedical engineer turned product manager building products at the intersection of health, data, and quantified self.
Currently Senior Product Manager at JAGGAER, leading the Research Material Management and Stockroom products — supply chain software for research labs and institutions.
I'm also the founder of Staqc, a health tracking app that helps you see what actually works for your body by connecting your supplements, diet, symptoms, and biomarkers.
Track supplements, diet, biomarkers, and symptoms in one place. Connect the dots between what you take and how you actually feel — with AI-powered pattern discovery and community insights.
staqc.comScience-backed guide to why potassium is one of the most underused tools in preventive medicine. Covers the K⁺ switch mechanism, NCC pathway, clinical trials, and actionable food rankings.
potassiummaxxing.johnshearin.devEvidence-based guide to digestive health, covering gut microbiome, stomach acid, motility, and practical nutrition strategies.
digest.johnshearin.devOpen mic comedy listings — 16+ cities, 500+ open mics. Real-time schedules, venue details, and signup information for comedians.
openmicced.comBiomedical engineering, quantified self, nutritional biochemistry, supplement science, strength training, open mic comedy, and building things that help people make better decisions about their health.
I'm a big believer in tracking + experimentation — if you don't measure it, you're guessing. That applies to supplements, diet, fitness, and product management alike.