Mushrooms and Medicine
  • Jonathan gave a talk about "Medical Mycology" - from mycotoxins to infections, an overview of the role of fungi in human disease; given to the Boston Mycological Club (2014), Eastern Penn Mushroomers (2014), Mycological Association of Washington (2014), and the Telluride Mushroom Festival (August, 2015). 
  • "The Role of Fungi in Human Health and Disease" - from the spores we breathe in with every inhalation to the normal yeasts and molds living in our intestines, fungi play an important role in causing human disease and maintaining human health. Telluride Mushroom Festival (August, 2017).

Modern Medicines from Nature
  • “Modern Medicines from Nature” - an overview of therapies used by modern physicians that come from plants, fungi, animals, metals and even from other humans; given at the Barrow Arctic Science Consortium (BASC), Barrow, Alaska (May 2012), and the Harvard Outing Club (October 2013).

Medicine and Exploration
  • "Prehistoric Crafts" - a demonstration of materials and ancient tools made of stone, antler, skin, sinew and wood; give to the New England chapter of the Explorer's Club, June 5, 2015.
  • "Travels in Kamchatka" - five months spent on one of Siberia's most remote regions; given to the New England chapter of the Explorer's Club, October 25, 2013.
  • "Street Medicine in Kolkata, India", the International Street Medicine Symposium, Atlanta, GA (November 2009).
  • "Travels to Pathology Past: An American Medical Student in India" - given at the Medical History Society of New Jersey (October 2009). 
  • "Wilderness Medicine", Whitman Society of Learners, Camden, NJ, (5/2008)
  • “Hormesis of Extreme Temperatures and Russian Cultural Adaptation to the Cold” - National Conference on Wilderness Medicine for Medical Students, Salt Lake City, UT. (4/2008).
  • "Body Packing - Smuggling of Drugs in the Intestines", Massachusetts General Hospital, February 25, 2014.

Russia's Environmental Movement
  • “The effects of Soviet-era nuclear pollution on communities of the Southern Ural Mountains” - Robert Wood Johnson Medical School, Piscataway, NJ (April 2006).
  • “Natives of the Russian Far East and the Environmental Movement” - Dickinson College, Carlisle, PA (May 2003). 
  • “Environmentalism in Post-Soviet Russia” - Ramapo College of New Jersey, Mahwah, NJ (November 2002). 
  • “Transnational Environmental NGO’s in Russia” - Rutgers University, New Brunswick, NJ (October 2002).