Fundraising Fox

Lloyd Armbrust

Founder

Founder at RonanRx Inc.

FoundedRonanRx Inc. Β· YC

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†—

β†’

In turn, Lloyd can intro founders to RonanRx Inc.'s investors below.

Co-founders at RonanRx Inc.

ECEmily Colman

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..