North American Food Systems Network (NAFSN) works to be a leader in the professional development of food systems practitioners, and the food systems profession itself. There are several NAFSN webinar series found under their events page. Be sure to look at their archive as well their upcoming events and sign up for alerts to be notified of new events. There are many sessions by Dietitians and Nutritionists, and many more of interest. Most are free and recorded. There is a membership options as well.
free & most are recorded. There is a membership option as well.