Dr. Lise Van Susteren is a general and forensic psychiatrist in Washington, DC, and an  expert on the physical and psychological impacts of climate change. In 2011 she co-authored "The Psychological Effects of Global Warming on the U.S. - Why the US Mental Health System Is Not Prepared." Dr. Van Susteren is a Clinical Associate Professor of Psychiatry and Behavioral Sciences at George Washington University and has been a consultant to the Executive Branch of the US government profiling world leaders.

After receiving her medical degree from the University of Paris she practiced medicine in West Africa, at community health centers and homeless shelters in the metropolitan Washington DC. In addition to community organizing on climate issues, Dr. Van Susteren serves on the Boards of Earth Day Network, Physicians for Social Responsibility and is a co-founder of "Climate Psychiatry Alliance," and of “Climate Psychology Alliance – North America “, professional groups dedicated to promoting awareness and action on climate from a mental health perspective. Dr. Van Susteren is the expert witness on the psychological damages to young people from inaction on climate in Juliana v. US Government, in Held v. Montana and in the European Court of Human Rights.

She is a frequent contributor on television, radio and in the print media. In 2006 Dr. Van Susteren sought the Democratic nomination to the US Senate from Maryland. Her book, “Emotional Inflammation – Discover Your Triggers and Reclaim Your Equilibrium During Anxious Times” was published in April 2020.