Sarah CJ Jorgensen is a Canadian pharmaceutical researcher and anti-transgender activist.
Background
Jorgensen earned two bachelor’s degreed from University of British Columbia in 2005 and 2009 respectively. Jorgensen then worked as a pharmacist in British Columbia, then earned a doctorate in pharmacy from University of Florida in 2014. After earning a master’s degree from Wayne State University in 2019 Jorgensen earned a doctorate from University of Toronto in 2024.
In 2024, Jorgensen was appointed Associate Research Scientist at Marshfield Clinic Research Institute.
Anti-trans activism
Starting in 2022, Jorgensen began getting actively involved in anti-trans research and writing. Jorgensen has published in the transphobic journals Archives of Sexual Behavior and Journal of Sex & Marital Therapy.
In 2023, Jorgensen signed a citizen petition (FDA-2023-P-3767) prepared by Nancy Stade that attacks gender affirming care for minors. It was signed by many other leading lights in anti-trans activism worldwide.
Co-authors on anti-trans work include:
- Nicole Athéa
- Patrick Hunter
- Chan Kulatunga-Moruzi
- Michael Laidlaw
- William Malone
- Céline Masson
- Lori Regenstreif
- Joanne Sinai
References
Stade, Nancy K. (September 4, 2023). Citizen Petition from Nancy K. Stade et. al. https://www.regulations.gov/document/FDA-2023-P-3767-0001
Selected anti-trans publications by Jorgensen
Laidlaw MK, Jorgensen S. Exploring Safety in Gender-Affirming Hormonal Treatments: An Observational Study on Adverse Drug Events Using the Food and Drug Administration Adverse Event Reporting System Database. Ann Pharmacother. 2025 May;59(5):491-492. doi: 10.1177/10600280241278913. Epub 2024 Sep 18. PubMed PMID: 39295245.
Sinai J, Kulatunga-Moruzi C, Jorgensen S. Levels of Satisfaction and Regret Are Far From Settled. JAMA Pediatr. 2025 May 1;179(5):579-580. doi: 10.1001/jamapediatrics.2025.0004. PubMed PMID: 40029628.
Jorgensen SCJ, Athéa N, Masson C. Puberty Suppression for Pediatric Gender Dysphoria and the Child’s Right to an Open Future. Arch Sex Behav. 2024 May;53(5):1941-1956. doi: 10.1007/s10508-024-02850-4. Epub 2024 Apr 2. PubMed PMID: 38565790; PubMed Central PMCID: PMC11106199.
Jorgensen SCJ. Psychosocial Functioning in Transgender Youth after Hormones. N Engl J Med. 2023 Oct 19;389(16):1537-1538. doi: 10.1056/NEJMc2302030. PubMed PMID: 37851891.
Jorgensen SCJ. Transition Regret and Detransition: Meanings and Uncertainties. Arch Sex Behav. 2023 Jul;52(5):2173-2184. doi: 10.1007/s10508-023-02626-2. Epub 2023 Jun 2. PubMed PMID: 37266795; PubMed Central PMCID: PMC10322945.
Jorgensen SCJ. Iatrogenic Harm in Gender Medicine. J Sex Marital Ther. 2023;49(8):939-944. doi: 10.1080/0092623X.2023.2224320. Epub 2023 Jun 19. PubMed PMID: 37334817.
Jorgensen SCJ, Hunter PK, Regenstreif L, Sinai J, Malone WJ (2022). Letter: Puberty blockers for gender dysphoric youth: A lack of sound science. JACCP: Journal of the American College of Clinical Pharmacy Volume 5, Issue 9, September 2022 Pages 1005-1007 https://doi.org/10.1002/jac5.1691
Resources
Marshfield Clinic Research Institute (marshfieldresearch.org)
- Sarah CJ Jorgensen Pharm.D., Ph.D.
- marshfieldresearch.org/profiles/37003
X/Twitter (x.com)
LinkedIn (linkedin.com)
National Library of Medicine (ncbi.nlm.nih.gov)
- Sarah Jorgensen’s bibliography
- ncbi.nlm.nih.gov/myncbi/1r3dgtsbpJqMde/bibliography/public/