"Thank you so much for your tremendous contributions to the ISEA conference. Your keynote presentation was perfect for our organization--the best keynote in our history, and I know I wasn't the only one that felt that way! I especially appreciate the extra time that you spent at the conference networking with our members, sharing some amazing ideas, and offering your sage advice. That counts as going above and beyond the call of duty! Personally, I think we could have had a "Day with Dr