Who is Ethan Weiss?


Weiss is an Associate Professor of Medicine at the University of California, San Francisco, as well as a Principal Investigator at the Cardiovascular Research Institute at UCSF (CVRI).

Weiss earned his M.D. from Johns Hopkins University School of Medicine, where he also served as an intern and resident. In 1998, he arrived at UCSF to finish his cardiology fellowship and research training.  


Weiss’ clinical interests include cardiovascular disease prevention, lipids, and the developing confluence of endocrinology and cardiology, with a particular emphasis on pre-diabetes and Type 2 diabetes as risk factors for coronary heart disease. He works with his patients to improve cardiovascular risk by using reasonable and evidence-based techniques, such as lifestyle changes and prescription therapy where appropriate. 

He has been the Principal Investigator on grants supported by the National Heart, Lung, and Blood Institute as well as the National Institute of Diabetes and Digestive and Kidney Diseases. He sits on the scientific advisory boards of many firms that employ technology to improve human health.  

Social Media

Ethan Weiss at Instagram

Ethan Weiss at Twitter

Ethan Weiss at Linkedin

Read more about  Ethan Weiss here.

Inspiring Talks by Ethan Weiss


Notable quotes

  • “Every once in a while you discover something that makes you stop and reflect that practically everything we argue about is meaningless”
  • “When people become attached to a theory, They fit the evidence to the theory rather than the theory to the evidence.”
  • “Can someone who understands statistics please explain the idea behind running a non-inferiority trial against a placebo?”
  • “Twitter transformed science communication during the pandemic. Will it last?”
  • “You are on a low carb diet & your ApoB (LDLc) goes up. You & your doctor agree to make ONE change to LOWER it. Assume they all “work” exactly as well, which intervention would you PREFER? *SFA = saturated fatty acids & UFA = unsaturated?”
  • “When building a product in health care, do you prioritize designing it for those who will actually use it or those who will pay for it?”
  • “The NYT branding conversation is hilarious”
  • “When a physician starts a tweet with the line: “Most physicians don’t understand…”, please understand that it is almost always a desperate cry for attention.”
  • “I would normally say something dumb here like “I could be wrong” but that is just stupid false humility. In this case, I am not wrong and am comfortable saying so.”
  • “I distinctly remember the moment when great athletes were younger than I was. Next, I recall being older than all of them. Now I am dealing with the ones who are the same age as my kids.”