Welcome to the OSSD!

The Organization for the Study of Sex Differences (OSSD) is a unique scientific organization that seeks to enhance knowledge of sex/gender differences by facilitating interdisciplinary communication and collaboration among scientists and clinicians of diverse backgrounds.

Benefits of OSSD Membership

Among many reasons to join OSSD, here are just a few:

  • Education and networking
  • Discount on annual meeting registration
  • Strong trainee support with numerous travel and poster awards!




The OSSD is pleased to announce that the following positions are available for election in 2021. We are accepting nominations until November 29, 2021. The slate of candidates will be announced on December 1, 2021, at which time online voting will begin. Voting will end on January 5, 2022. Elected officials will take office on the last day of the annual meeting in May 2022.

Open Positions:
President-Elect, Secretary, Council Member (4 positions) and 
Young Investigator / Trainee Council Member
Learn More>>


OSSD President’s One Year Update by Rhonda Voskuhl, M.D. 
July 2021

Rhonda Voskuhl M.D. is the current President of the OSSD. She holds the Jack H. Skirball Chair and is a Professor in the Department of Neurology and the Director of the Multiple Sclerosis Program at the David Geffen School of Medicine, University of California, Los Angeles (UCLA).

I have had the privilege of serving as the OSSD President over the last year. At this midway point in my two year presidency, it is time to reflect on the past year and look forward to the next...