Marielle Gross, MD


Deering Hall
1809 Ashland Avenue
Baltimore, MD 21205

Marielle S. Gross completed her residency in Gynecology & Obstetrics at Johns Hopkins University School of Medicine in 2018. Marielle received her MD from University of Florida College of Medicine with Honors in Research in 2014. She also received her master’s in Bioethics at New York University in 2010. Marielle received the Williams Senior Resident Research Award in 2017 for Breastfeeding Policy for US Women Living with HIV: An Ethical Analysis of the Evidence and was inducted into the Johns Hopkins Distinguished Teaching Society in 2017.

As a Hecht-Levi Postdoctoral Fellow, her research focused on the application of technology and elimination of bias as means of promoting evidence-basis, equity and efficiency in women’s healthcare. This work has two key dimensions. First, she explored ethics of health data and implementation of learning health systems via emerging technologies (e.g., blockchain, artificial intelligence and privacy-preserving computation). She is passionate about challenging the status quo in ethical, sociocultural, legal and technical models for data treatment, for example by advancing the concept of “health data as labor” and critiquing current ethical and legal protections for data use both within and outside of traditional healthcare research contexts. The other major dimension focused on dismantling “Prejudice Based Medicine:” policy and practices which are not evidence-based and which tend to exacerbate disparities. She has explored these issues in depth as they affect women living with HIV, hepatitis or substance use, and is currently studying disrespect and bias in prenatal records.” In addition, she is a practicing OB/GYN, IRB board member, and is piloting simulation-based medical ethics curriculum for women’s health trainees.


  • Residency in Gynecology & Obstetrics, Johns Hopkins University School of Medicine
  • MD, University of Florida College of Medicine with Honors in Research
  • Master’s in Bioethics, New York University