About Jeffrey Madden
Jeffrey Madden is a president and director at Klothea Bio.
Form D filings also name Jeffrey Madden as an executive officer and director at ADvantage Therapeutics.
Jeffrey Madden first appears on SEC filings in 2021.
Experience
This experience comes from Jeffrey Madden's profile and from SEC filings. For roles taken from filings, the years are when the filings name Jeffrey Madden in the role, so the role may have started earlier or lasted longer.
Klothea Bio, Inc. Current
President and director
Co-Founder and Executive Chairman (2024 – Present)
2024 – Present · Miami, FL
Develops experimental treatments for people affected by age-related diseases.
ADvantage Therapeutics, Inc. Current
Co-Founder and CEO (2021 – Present)
Director
2021 – Present · Miami, FL
IM
IronBridge - A Division of RMB Asset Management
Partner
2001 – 2021
AC
Accenture
Consultant
1998 – 2000
Key Colleagues at Startups
The people Jeffrey Madden works with at each company, as listed on that company's latest Form D.
Klothea Bio, Inc. · Form D/A, Sep 8, 2026
OJ
Olivier Jarry
Executive officer
WS
Walter Schmidt
Director
Petr Sramek
Director
AI
Agustin Fernandez Santana III
Executive officer and director
ADvantage Therapeutics, Inc. · Form D/A, Jul 28, 2025
WS
Walter Schmidt
Director
AI
Agustin Fernandez Santana III
Executive officer and director
DB
David Buchsbaum
Chief Financial Officer
FM
Frank Mattner
Director