S. "Guna" Gunasekaran, Ph.D.
Founder and CEO EnColl Corp
guna@encoll.com
Professional Employment History
Dr. Guna is the founder and CEO of Encoll Corp. (founded in 1994). Dr. Guna has three US
Patents and has fifteen publications in the area of collagen and biomaterials since the
founding of EnColl. Previously Dr. Guna was a consultant and scientist for Pfizer,
Orthopedic Division. Dr. Guna was employed by University of Arizona, Department of
Surgery as a Research Scientist and Lecturer. Dr Guna holds a Ph.D. in Biologicalchemistry/Neuro-physiology.
Areas of Expertise
Dr. Guna is accomplished in areas basic research involving cell culture, pre-clinical animal
model development, protein processing, pharmaceutical manufacturing, and the strategic
development of ethical drugs and regulatory approved medical devices. Additionally, his
basic research included work in cell culture and animal model development. Dr. Guna
directed a number of programs for successful development of ethical drug and device product
as the head of project design groups and management teams. He has completed numerous
pre-clinical study designs and study executions. He was responsible person for regulatory
agency interactions (FDA and non-US agencies) for product/device approvals. He has a
number of years of experience in GMP manufacturing and related activities; i.e.
pharmaceutical and medical device manufacturing.
Scientific Achievements:
 Published over 60 scientific Papers.
 5 issued US Patents and currently working on with 6 more Patents.
 Received US FDA approvals for 8 medical device products, from 1988 to 2004
 Authored ASTM/FDA Standards for "Surgical Grade Collagen".
 Consultant to FDA on "Surgical Grade Collagen" standards development.
 Course instructor for "Biological Response to Orthopedic Implants" at Johns Hopkins Hospital, Maryland (1993).
Authored “Collagen Chapters” in Books:
Collagen Based Wound Dressings, S. Gunasekaran, P 1267- 1286, in Book: Encyclopedic Handbook
of Biomaterials and Bioengineering, Ed. by Donald Lee Wise, Marcel Decker, Inc. Press, 1995.
Minieralized Collagen as an OsteoInductive material, S. Gunasekaran, et al., P. 171-179, in Book
Hydroxyapatite and Related Materials Ed by Brown & Constantz, CRC Press. 1994.
Collagen chapter in “The Hand book of Biomaterials and Applications", Marcel Decker, Inc. 1994.
Professional Affiliations:
Society for Biomaterials (USA), Active Member from 1983
American Academy of Science (USA), Member from 1985