Dr. Wiemer has an extensive clinical and scientific background and experience in embryo culture, cryopreservation of embryos, embryo morphology and assessment, co-culture, blastocyst development, IVF lab design, and supervision. He has extensive experience in all aspects of clinical embryology.

He received his doctorate in Reproductive Physiology (Embryology) in 1989 from Louisiana State University, Baton Rouge, LA, USA.  He trained extensively with Dr. Jacques Cohen at Cornell Medical University.  Dr Wiemer has over 20 years of experience directing IVF Laboratories and has been involved in over 10,000 IVF procedures. He also has been an off-site director of several fertility clinics. He currently collaborates with IVF centers in Argentina and Peru.

Dr Wiemer has published over 80 peer-reviewed articles and book chapters on a wide range of topics in the area of clinical embryology. He has received numerous awards for his research, including the Overall Grand Prize awarded by the American Society for Reproductive Medicine.

His main interests are in embryo culture systems, improving laboratory outcomes and studying the effects of follicular stimulations on subsequent oocyte and embryo quality.  He is currently conducting research on developing an embryo morphology grading system that can be used to predict rate and quality of blastocyst development. Other projects include various aspects of oocyte as well as blastocyst vitrification systems.