1974-1977 Resident, Obstetrics and Gynecology, Beilinson Medical Center, Tel-Aviv University, Israel
1977-1978 “Honorary Registra”, Microsurgery. London Post Graduate Medical School, Hammersmith Hospital, London, UK.
1978-1980 Resident, Obstetrics & Gynecology, Beilinson Medical Center, Tel-Aviv University, Israel
1980-1985 Director, infertility clinics,Obstetrics and Gynecology, Beilinson Medical Center.
1985-1991 Director of the infertility and I.V.F. unit, Department of Obstetrics and Gynecology, Beilinson Medical Center, Senior lecturer, Tel-Aviv University, Sackler School of Medicine
1989-1991 Co-Chairman, Dept. Obstetrics & Gynecology. Beilinson Medical Center. Tel-Aviv University, Israel
1991-1997 Medical Director, Beckman Laser Institute and Medical Clinic, UC Irvine. Professor, Department of Obstetrics and Gynecology, University of California, Irvine
1997-2005 Director of Clinical Research, Beckman Laser Institute and Medical Clinic, UCI. Co-director of the Photomedicine program, Chao Family Clinical Cancer Center, UCI.
2007-2011 *Director (part time), Uterine Fibroids, Multidisciplinary Center of Excellence. Rabin Medical Center, Tel Aviv University. Israel
2005-2018 *Adjunct Professor. (part time) Beckman Laser Institute. UCI.
2016-2018 Editor Assistant, Gynecology Section, Journal of Laser in Surgery and Medicine (LSM).
2017-2018 Gynecology Section Chair, American Society for Laser in Surgery and Medicine (ASLMS),
1986 Distinguished speakers award – “Pioneering Clinical and Research Work in the Area of Laser Endoscopy”- The American Gynecologic Laser Society. Boston, MA. 1986
1989 Special Merit Award for Basic Science, American Society for Reproductive Medicine (ASRM), Annual Meeting. “Micromanipulation of Sperm with a Laser Generated Optical Trap,” Y Tadir, et. al.
1990 The Israel Fertility Society Award, 1990 Annual Meeting. “Micromanipulation of Gametes with Laser Beams.” Y Tadir, et.al.
1990 Award, Pacific Coast Fertility Society- April, 1990 U.S.A. R Asch, L Weckstein, JP Balmaceda, F Rojas, IM Spitz, Y Tadir. Non-Surgical Expulsion of Non-Viable Early Pregnancy: A New Application of RU486.