Christopher J. Calhoun

CHRISTOPHER J. CALHOUN has served as Vice Chairman, Secretary, Director,
President and Chief Executive Officer of MacroPore Biosurgery, Inc.,
since 1997. He is a company co-founder and a co-inventor on multiple US
and international patents used for the company’s bioresorbable implant
technology. These inventions include bioresorbable polymers for skeletal
repair and regeneration, and implant surfaces for tissue guidance and
postsurgical scar tissue reduction. He also is named as an inventor on
various US and international patents pending for medical devices and
implant instrumentation. Mr. Calhoun was previously involved in research
and management for the Plastic Surgery Bone Histology and Histometry
Laboratory at the University of California, San Diego. He is a co-
founder and Board member of Leonardo MD, and previously served on the
Board of Directors of StemSource, Inc. Mr. Calhoun received a BA from
the University of California, San Diego and an MBA from the University
of Phoenix.