About Agustin Fernandez Santana III
Agustin Fernandez Santana III is an executive officer and director at Klothea Bio.
Form D filings also name Agustin Fernandez Santana III as an executive officer and director at ADvantage Therapeutics.
Agustin Fernandez Santana III first appears on SEC filings in 2021.
Experience
This experience comes from SEC filings. The years are when the filings name Agustin Fernandez Santana III in the role, so the role may have started earlier or lasted longer.
Klothea Bio, Inc.
Executive officer and director
2024 – 2026 · Miami, FL
Develops experimental treatments for people affected by age-related diseases.
Key Colleagues at Startups
The people Agustin Fernandez Santana III 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
JM
Jeffrey Madden
President and director
ADvantage Therapeutics, Inc. · Form D/A, Jul 28, 2025
WS
Walter Schmidt
Director
JM
Jeffrey Madden
Executive officer and director
DB
David Buchsbaum
Chief Financial Officer
FM
Frank Mattner
Director