Jeffrey Aronin
Angel investor in Plymouth Meeting
Plymouth Meeting, Pennsylvania
Jeffrey Aronin, Angel investor in Plymouth Meeting is an active investor based in Plymouth Meeting, Pennsylvania. This profile covers what Jeffrey Aronin backs, at which stage, and how founders can reach out in 2026.
Mr. Jeffrey Aronin is the Founder and serves as Non-Executive Chairman at Harmony Biosciences. He is a Co-Founder and serves as Executive Chairman at Evozyne. He serves as Board Member at Matter. He is a Co-Founder and serves as Chairman at Castle Creek Biosciences. He is a Co-Founder & serves as Chairman at Circ Biosciences. He is the Founder and serves as Chairman at Emalex Biosciences He co-founded and served as President, Chairman & Chief Executive Officer at Marathon Pharmaceuticals. He serves as a Board Member & Compensation and Leadership Development Committee Member at Discover. He is the Founder and serves as Chief Executive Officer, Chairman & Board Member at Paragon Biosciences. He has been chairman of several Paragon portfolio companies including Castle Creek Pharmaceuticals, Harmony Biosciences, and previously Marathon Pharma, a research-based prescription biopharmaceutical company. From 2000 to 2009, he was president and chief executive officer of Ovation Pharmaceuticals Inc., a biopharmaceutical company he founded in 2000. In 2009, Ovation Pharmaceuticals was acquired by Lundbeck, Inc. He served as president and chief executive officer of Lundbeck, Inc. during its acquisition and integration of Ovation Pharmaceuticals. He has experience as a chief executive officer leading several global biopharmaceutical companies. His skills include strategic and business development, finance, and brand marketing. He brings valuable leadership experience and knowledge in the operations and day-to-day management of a global corporation in a regulated industry. He also has experience in the structuring and execution of strategic corporate transactions, including mergers and acquisitions. He founded Skyline Biosciences.
- Investor type
- Angel
- Stages
- Early Stage Venture
- Invests in
- Biotech & PharmaHealthcare & BiotechFintech
- Location
- Plymouth Meeting, Pennsylvania
- Typical check
- $500K
- Past investments
- 4
Notable investments
The Aspen InstituteHow to reach Jeffrey Aronin
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Round Funded. "Jeffrey Aronin." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/jeffrey-aronin-233657-1
Frequently Asked Questions
What does Jeffrey Aronin invest in?
Jeffrey Aronin invests in Biotech & Pharma, Healthcare & Biotech and Fintech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jeffrey Aronin invest at?
Jeffrey Aronin typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Jeffrey Aronin's typical check size?
Jeffrey Aronin typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.