iBio
NASDAQ: IBIOSan Diego, US · Founded 2008 · Delaware corporation · 59 employees on LinkedIn
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iBio is a biopharmaceutical company with leadership experienced in drug discovery, development, and clinical operations across multiple therapeutic areas. The company appears to focus on innovative therapeutics and biologics development.
Founders & leadership
FD

Felipe DuranChief Financial OfficerFelipe Duran is an executive officer at iBio with extensive experience in financial strategy and operations within biopharmaceutical organizations, including SEC reporting, capital raising, and strategic planning across global markets.
MB

Marc BanjakChief Legal OfficerHe has extensive experience in legal operations across medical device and pharmaceutical sectors, with expertise in contract negotiation and regulatory compliance.
TR

Terence RyanChief Scientific Officer2010–2019Chief Scientific Officer of iBio, Terence Ryan has experience managing cross-functional teams in drug discovery, with expertise spanning biomarker identification, systems biology, recombinant protein production, and the integration of omics technologies and machine learning in translational research.
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Robert KayExecutive Chairman and Chief Executive Officer
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Mark GiannoneChief Financial Officer
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Robert ErwinPresident
MC
Mr. Clark
MB
Mr. Banjak
DB
Dr. Brenner
MB

Martin BrennerCEO & CSOMartin Brenner is Chief Executive Officer and Chief Scientific Officer of iBio, a biopharmaceutical company focused on antibody therapeutics for obesity and cardiometabolic disease. He previously held leadership roles at Merck, AstraZeneca, Eli Lilly, Pfizer, and Pfenex, with expertise in drug discovery, development, and translational science across multiple therapeutic modalities.
Board
AK
Alexandra KroptovaBoard director
Reported raises · per SEC filings
Form D private placements$54.3M disclosed across 4 of 8 rounds · 1900–2026
▶$26MraisedJan 2026 · 7 investors · BiotechnologyRule 506(b)
▶$26MraisedJan 2026 · 7 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- David ArkowitzDirector
- William ClarkDirector
- Martin A. BrennerExecutive Officer, Director
- Antonio ParadaDirector
- Marc BanjakExecutive Officer
- Evert ShimmelpenninkDirector
- Felipe DuranExecutive Officer
- Alexandra KropotovaDirector
- Gary SenderDirector
- Offering amount
- $26M
- Amount sold
- $26M
- Sales commissions
- $1.6M
- Placement agents
- Oppenheimer & Co. Inc., LifeSci Capital LLC, Leerink Partners LLC
- First sale
- Jan 2026
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$11.1MraisedMay 2025 · 5 investors · BiotechnologyRule 506(b)
▶$11.1MraisedMay 2025 · 5 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Felipe DuranExecutive Officer
- Marc BanjakExecutive Officer
- Alexandra KroptovaDirector
- Gary SenderDirector
- David ArkowitzDirector
- Martin A. BrennerExecutive Officer, Director
- William ClarkDirector
- Antonio ParadaDirector
- Evert ShimmelpenninkDirector
- Offering amount
- $11.1M
- Amount sold
- $11.1M
- Sales commissions
- $217K
- Placement agents
- Chardan Capital Markets LLC
- First sale
- Apr 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$15.1MraisedApr 2024 · 8 investors · BiotechnologyRule 506(b)
▶$15.1MraisedApr 2024 · 8 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Felipe DuranExecutive Officer
- Gary SendeDirector
- William ClarkDirector
- Martin BrennerExecutive Officer
- Linda ArmstrongDirector
- James HillDirector
- Evert ShimmelpenninkDirector
- Alexandra KropotovaDirector
- Offering amount
- $15.1M
- Amount sold
- $15.1M
- Sales commissions
- $794.1K
- Placement agents
- Chardan Capital Markets LLC
- First sale
- Mar 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$10MofferedAug 2023 · 1 investors · BiotechnologyRule 506(b)
▶$10MofferedAug 2023 · 1 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Marc BanjakExecutive Officer
- Gary SenderDirector
- Martin BrennerExecutive Officer
- Linda ArmstrongDirector
- James HillDirector
- Alexandra KropotovaDirector
- Evert SchimmelpenninkDirector
- William ClarkDirector
- Felipe DuranExecutive Officer
- Offering amount
- $10M
- First sale
- Aug 2023
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$2.2MraisedFeb 2016 · 1 investors · BiotechnologyRule 506(b)
▶$2.2MraisedFeb 2016 · 1 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Terence RyanExecutive Officer
- Robert KayExecutive Officer
- Mark GiannoneExecutive Officer
- Arthur ElliottDirector
- Glenn ChangDirector
- James HillDirector
- Philip RussellDirector
- John McKeyDirector
- Robert ErwinExecutive Officer
- Seymour FlugDirector
- Offering amount
- $2.2M
- Amount sold
- $2.2M
- First sale
- Jan 2016
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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In the news
Frequently asked questions
- What does iBio do?
- iBio is a biopharmaceutical company with leadership experienced in drug discovery, development, and clinical operations across multiple therapeutic areas. The company appears to focus on innovative therapeutics and biologics development.
- How much funding has iBio raised?
- iBio has disclosed $54.3M raised across 4 of its 8 known rounds.
- Where is iBio headquartered?
- iBio is headquartered in San Diego, US.




