About Javier Castellanos
Javier Castellanos is a chief technology officer and director at Accipiter Biosciences.
Form D filings also name Javier Castellanos as an executive officer at Cyrus Bio.
Javier Castellanos first appears on SEC filings in 2015.
Experience
This experience comes from Javier Castellanos's profile and from SEC filings. For roles taken from filings, the years are when the filings name Javier Castellanos in the role, so the role may have started earlier or lasted longer.
Accipiter Biosciences Inc. Current
Chief Technology Officer and Co-founder (2023 – Present)
Director
2023 – Present · Seattle, WA
Develops computer-designed protein therapies for people with complex diseases.
NT
Neoleukin Therapeutics
Senior Director of Computational Protein Design
2019 – 2023
Cyrus Biotechnology, Inc.
Chief Technology Officer and co-founder
2014 – 2019 · Seattle, WA
Develops protein-based drug candidates for its own pipeline and biotechnology and pharmaceutical partners.
UW
University of Washington
Graduate Research Assistant
2010 – 2014
PC
Pontificia Universidad Católica de Chile
Undergraduate Researcher
2007 – 2010
Key Colleagues at Startups
The people Javier Castellanos works with at each company, as listed on that company's latest Form D.
Accipiter Biosciences Inc. · Form D, Jul 28, 2026
RS
Randall Schatzman
Director
Matthew Bick
Chief Executive Officer and director
Hector De Jesus Rincon Arano
Chief Scientific Officer and director
JC
Jose Antonio Mesa Cejudo
Director
William Canestaro
Chief Strategy Officer/Chief Operations Officer
HR
Heather Redman
Director
Cyrus Biotechnology, Inc. · Form D, Jul 27, 2017
Lucas Nivon
Chief Executive Officer and director
GT
Gus Tai
Director
EB
Eric Bell
Director
CW
Chad Waite
Board Member
Yifan Song
Chief Technology Officer and director