John Demko

John Demko, MD is an Assistant Adjunct Professor in the School of Medicine at the University of California, San Francisco (UCSF). His research focuses on renal physiology, ion transport mechanisms, and metabolic regulation, with a particular emphasis on mTORC2 signaling pathways and potassium homeostasis. He has contributed to studies on glomerulopathy, aldosterone-independent potassium secretion, and clinical trials addressing hyponatremia management in hospitalized patients.

Education: MD from the University of Pittsburgh School of Medicine (2017), Internal Medicine Residency at UCSF (2019), and Nephrology Fellowship at UCSF (2023). His work integrates basic science and clinical medicine, spanning nephrology, hypertension, and endocrine disorders.

Key research interests include renal glucose reabsorption, epithelial sodium channel regulation, and the role of dietary potassium in renal function. He has published in high-impact journals such as J Am Soc Nephrol and J Gen Intern Med, collaborating with co-authors like David Pearce, Timothy Judson, and Robert Weber.