Our Director

Meet Our Director

Rajasingam S. Jeyendran, B.V.SC., M.S., Ph.D., HCLD, ALD (ABB)

Dr. R. S. Jeyendran, a graduate in Veterinary Medicine from the University of Ceylon, Sri
Lanka, and with a M.S. and Ph.D. from the University of Minnesota, Diploma in High
Complexity Laboratory Director and Andrology Laboratory Director from American Board of
Bioanalysis, and Point-of-Care Specialist Certificate from American Association for Clinical
Chemistry. He is a scientist, author, inventor, teacher, veterinarian, has been involved with male
fertility since 1974.

  • Peer Reviewed Original Contributions: 135
  • Chapters and Related Publications: 45
  • Abstracts and Presentations: 187


  • U.S. Patent 5,536,243 “Time-Release Insemination Device”
  • U.S. Patent 5,559,040 “Pulsing and oscillating methods of centrifugation for improving the recovery of viable cells”
  • U.S. Patent 5,575,914 “Sperm Filter Trap Having Compressed Glass Wool Filter Material”
  • U.S. Patent pending 17,295,673 “Disk ELISA for quantitative analysis” 
  • U.S. Patent pending 63,239,483 “A device to diagnose male infertility” 

Books Published:

  • Interpretation of Semen Analysis Results: A Practical Guide.  Rajasingam S. Jeyendran, Cambridge University Press, Cambridge, United Kingdom, 2000
  • Semen Collection and Processing Methods, Rajasingam S. Jeyendran, Cambridge University Press, Cambridge, United Kingdom, 2003
  • Protocols for Semen Analysis in Clinical Diagnosis, Rajasingam S. Jeyendran, Parthenon Press, United Kingdom, 2003

Trade Books:   iUniverse, Lincoln, NE, U.S.A 4

Booklets: SKJ Inc, Wheaton, IL, U.S.A. 2

Research Advisor:

Graduate Students, Medical Students, Residents and Fellows: > 40