Jeffrey L. Horstmyer MD
About Jeffrey L. Horstmyer MD
Jeffrey L. Horstmyer, MD, FAAN, is a clinical neurologist in Miami. He is Founding Chairman and Chief Executive Officer of The Brain Center. He founded the Neuroscience Centers of Florida Foundation, which does business as Brain Center. He trained in neuromuscular neurology and electro-neurophysiology at the University of Miami School of Medicine and is a Fellow of the American Academy of Neurology.
In 2007 he became Founding Chairman of the Department of Neurology at the FIU Herbert Wertheim College of Medicine, and he served in that role for the school's first seven years. He has also served on the FIU Board of Directors and chaired the FIU Council of 100. He chaired the Emergency Room Committee at Doctors Hospital, and he has been Chief of Neurology at Mercy Hospital.
A press release on the Parambil round describes him as an angel investor and practicing neurologist. His practice entity appears as Jeffrey L. Horstmyer MD, PA.
The only investment I could confirm is Parambil. Press coverage of the January 2026 round lists him among the backers. I found no public investor profile, fund or syndicate that shows other angel deals, so none are listed here.
Parambil raised a $6M seed round in January 2026. AlleyWatch lists Bling Capital, Jeffrey L. Horstmyer MD, FAAN, nvp capital, Scott Stevenson and Todd Suzanski as backers. It reports total equity funding of $8.0M. Parambil builds AI software for medical record review and litigation support, and was founded in 2023 by Liam Gordon, Sal Ienna and Sara Dwyer.
In the announcement, Horstmyer said he invests in Parambil and also uses the product. He called it a high-trust AI platform built for complex, high-stakes litigation.
Public information is limited to the Parambil deal: a seed-stage AI product in legal technology that applies to medical records. He has not publicly stated a check size, a stage preference or a geographic focus. His medical background and his statement that he uses the product are the only public hints about his interest in healthcare-adjacent AI.
- Parambil: AI platform for medical record review and litigation support, based in the New York area. He took part in its $6M seed round announced in January 2026.
Investing activity
Jeffrey L. Horstmyer MD appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Seed, with a median round size of $6M. The most recent is Parambil (Seed, $6M, Jan 2026).
Jeffrey L. Horstmyer MD most often invests alongside Bling Capital, FAAN, nvp capital and Todd Suzanski, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about Jeffrey L. Horstmyer MD
Does Jeffrey L. Horstmyer MD invest in AI startups?
Yes. He is a named backer of Parambil, an AI legal technology company, in its $6M seed round in January 2026. I found no other public AI investments.
Who is Jeffrey L. Horstmyer MD?
He is a Miami neurologist and the Founding Chairman and CEO of The Brain Center. He was also the founding chair of neurology at the FIU Herbert Wertheim College of Medicine. A Parambil press release calls him an angel investor.
What check size does Jeffrey L. Horstmyer write?
His check size is not public. Reports on the Parambil round give the total raised but not what each investor put in.
What stage does Jeffrey L. Horstmyer invest in?
The one public deal I found is a seed round. He has not publicly stated a stage preference.
What kind of AI founders might fit Jeffrey L. Horstmyer?
His only public AI investment is in a legal tech product that handles medical records, and he has said he uses it himself. Founders working on AI for medicine or other under-digitized professional fields have the closest link to that deal. He has not published a thesis.
How can founders contact Jeffrey L. Horstmyer MD?
He has a LinkedIn profile listing his role at Brain Center. I found no personal website or X account.
Is Jeffrey L. Horstmyer MD an angel investor?
Yes. Jeffrey L. Horstmyer MD invests personally as an angel.
What AI companies has Jeffrey L. Horstmyer MD invested in?
Jeffrey L. Horstmyer MD's AI investments include Parambil. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Jeffrey L. Horstmyer MD invest at?
In the rounds tracked on Lounge, Jeffrey L. Horstmyer MD has invested at Seed, with a median round of $6M.
Who does Jeffrey L. Horstmyer MD co-invest with?
Jeffrey L. Horstmyer MD's most frequent co-investors on Lounge are Bling Capital (1 deal), FAAN (1 deal), nvp capital (1 deal), Todd Suzanski (1 deal) and Scott Stevenson (1 deal).