Meet the Moderators

Kathryn Taylor Ledley, BA

Kathryn Taylor Ledley holds a bachelor's degree in Psychology from Providence College. She is now a clinical research assistant in the digital psychiatry division, in the Department of Psychiatry at Beth Israel Deaconess Medical Center, a Harvard Medical School affiliated teaching hospital. Kathryn also serves as a co-leader of the Society of Digital Psychiatry.

John Torous, MD, MBI
Cofounder, Society of Digital Psychiatry

Dr. Torous is director of the Digital Psychiatry division in the Department of Psychiatry at Beth Israel Deaconess Medical Center and a faculty member at Harvard Medical School. With a background in electrical engineering from UC Berkeley, he earned his MD at UC San Diego and completed his psychiatry residency, clinical informatics fellowship, and master’s in biomedical informatics at Harvard. An expert in mobile mental health technologies, he has published over 200 peer-reviewed articles and 5 book chapters. Dr. Torous also serves as editor-in-chief of JMIR Mental Health and a cofounder of the Society of Digital Psychiatry.

Meet the Speakers - More to be Announced!

Soumya Choudhary, MSc, PhD

Benjamin W. Nelson, PhD

Soumya Choudhary is a dedicated researcher and digital mental health expert currently pursuing a PhD in Psychiatry at the National Institute of Mental Health and Neurosciences, Bangalore, India. She is also a Visiting Research Fellow at the Division of Digital Psychiatry, BIDMC, Harvard Medical School. Soumya holds a Master's degree in Mental Health: Research and Practice from the University of Nottingham, where she specialized in clinical psychology, neuropsychiatry and artificial intelligence. At NIMHANS, Soumya has been involved in Wellcome Trust-funded projects such as the SHARP study, focusing on smartphone-based assessments and relapse prevention in psychosis. Her research integrates advanced data analysis techniques and app-based interventions to enhance mental health care. Soumya has also published extensively in the field of digital mental health, with works exploring digital interventions, machine learning applications in mental health, and relapse prediction in schizophrenia. Soumya is passionate about scaling digital mental health solutions globally, with a focus on low and middle income countries.

Dr. Nelson is a Senior Clinical Research Scientist at Verily Life Sciences on the Science and Innovation Team, an Adjunct Professor at Harvard Medical School and Beth Israel Deaconess Medical Center, and a licensed psychologist. He leads Verily’s mental health science and innovation efforts, advancing precision AI health strategies and developing generative AI–enabled safety systems and clinical decision support tools across the company’s mental and behavioral health portfolio. He also contributes to the Division of Digital Psychiatry at BIDMC, bringing integrated expertise in clinical care, AI, and applied research.

His background spans clinical science, wearable digital biomarker development, AI and LLM evaluation, and the analytical and clinical validation of digital health technologies. He has deep experience in real-world clinical trial design, clinical outcomes research, and translating evidence into product strategy. Dr. Nelson’s research includes more than 50 peer-reviewed publications, multiple book chapters, and conference presentations. Clinically, he has worked across hospital settings and holds APIT certification.

Across his roles, Dr. Nelson focuses on uniting rigorous clinical science with modern digital health technology and AI applications to improve chronic health outcomes.

Sponsor the Event

Are you interested in sponsoring The 2025 Society of Digital Psychiatry Symposium? Email dennis.obrien@jmir.org to get the conversation started or learn more here.