Bio: Mark Rifkin, MS, RD, LDN holds a master’s degree in health education from Towson University and is a registered dietitian. A vegan since 1986, he has been speaking on nutrition and food-related topics since 1997. Through group presentations and online services, he focuses on plant-based diets to prevent and treat chronic diseases and nutrient deficiencies. Unique topics and perspectives are a specialty.

Sample Talks: The Case of the Lapsed Vegan; Six Ways to Reduce Risk of Colds and Flu; Healthy Fats, Healthy Hearts; New Reasons to Go Dairy-Free; The Sustainable Diet Debate