"Dr. Feng is the Director of infertility/in vitro fertilization laboratories at New York Hospital Queens, Affiliated Weill Medical College of Cornell University, and
the University of Texas Southwestern Medical Center at Dallas. He has served as Professorships at Cornell University, UTSW, NYU and Hofstra
University and several other Universities and Institutions as well. Dr. Feng is an active member in many academic societies, and has served as an editor and a reviewer for several reproduction-related journals. His scientific interests and accomplishments lay in reproductive biology and reproductive medicine.
He has held over 25 research grants, published more than 200 research papers in peer-review scientific journals and has edited four books as
editor in chief or in co-chief. He has also received more than thirty prizes and awards from professional committees and international organizations. He has presented over 100 invited lectures at conferences and workshop in international and domestic, and he has been selected as one of the leading scientists of the World 2005, IBC, Cambridge, UK and as an outstanding inspector from CAP in 2006."

Sonia Jellad Ammar is Associate Professor of Histology-Embryology and Reproductive Biology, Faculty of Medicine of Tunis, University of Tunis Al Manar. She also worked as Head of Reproductive Biology Laboratory and PMA Laboratory, Main Military Instruction Hospital, Tunis.

Research interests included Andrology, Miscarriage, Environmental Causes, Varicocele, Apoptosis, Assisted Reproductive Methods, Reproductive Medicine, Genetics, Reproductive Genetics, Embryology, Cell Biology, and Histology.