About
Lloyd Armbrust is a two-time Y Combinator founder who has previously built a manufacturing business and had three company exits. He is the founder of RonanRx, which provides personalized GLP-1 weight-management care and plans to expand into hormone therapy.
Founder at RonanRx Inc.YC S26
Intro paths
YC
Lloyd went through Y Combinator (Summer 2026) β any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Tyler Bosmeny, General Partner at Y Combinator β the partner who ran RonanRx Inc.'s batch and knows the company first-hand. YC profile β
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In turn, Lloyd can intro founders to RonanRx Inc.'s investors below.
RonanRx Inc.'s investors Β· 1
Co-founders at RonanRx Inc.
EC
Emily ColmanFounder
Frequently asked questions
- Who is Lloyd Armbrust?
- Lloyd Armbrust is a two-time Y Combinator founder who has previously built a manufacturing business and had three company exits. He is the founder of RonanRx, which provides personalized GLP-1 weight-management care and plans to expand into hormone therapy.
- Where does Lloyd Armbrust work?
- Lloyd Armbrust is Founder of RonanRx Inc..
- What companies did Lloyd Armbrust found?
- Lloyd Armbrust founded RonanRx Inc..

