Michael Crescenzo
Managing Partner
Our Story / Our People
The people behind
the process.
Tissue science. Process precision. Human purpose.
Meet the people of J4 Biologics.
Managing Board
GOVERNANCE
Jim Glick
President – Partner
Dr. James W. Poser
Medical Director - Partner
Our team
J4 BIOLOGICS
Mo Sayed
COO
Carlos Rodriguez
Director of Operations
Kristi Krumbholz
Director of Quality Assurance and Regulatory
Steve Vasquez
Quality Assurance Specialist 1
Andres Guevara
Quality Assurance Specialist 1
Abigail Garcia
Distribution Manager
Anita Martinez
Distribution Technician
Kevin Guerra
Manufacturing Team Lead
Corey Murray
Manufacturing Technician
Lola Urquiza
Manufacturing Technician
Lisa Moreno
Manufacturing Technician
Joshua Reyna
Manufacturing Technician
Adrianna Chavez
Manufacturing Technician
Amado Gonzalez
Ancillary Technician
Michael Balderas
Ancillary Technician
Partner With J4