A more complete list can be found on my CV, here. 

• Emory University Distinguished Lecture "Toward Human-Centered Machine Learning" 12/19 (abstract) 
• China HCI Symposium:  “Human-Centered Machine Learning” 10/19
• ACM Latin American School on Recommender Systems (LARS 2019) "Recommender Systems: Beyond Machine Learning" 10/19 (video)
• Heidelberg Laureate Forum:  “The Future of Scientific Publishing" (plenary panel) – 9/19 (video)
• First ImpactRS Workshop (at RecSys 2019):  “Recommending for Impact:  Intentions, Algorithms, Metrics” 9/19 (slides)
• CHI Lites 2019 "What makes a good recommendation?" 5/2019 (video)
• University of British Columbia "Recommender Systems: Beyond Machine Learning" 10/18
• Jheronimus Academy of Data Science "Recommender Systems: Beyond Machine Learning" 5/18
• Huawei STC "Recommender Systems: Beyond Machine Learning" 5/18
• Hong Kong Baptist University "Recommender Systems: Beyond Machine Learning" 1/18 (video)
• Barlow Research First Friday Webcast "Artificial Intelligence and Banking" 1/18
• Minne-Analytics Financial and Retail Conference on Analytics (FARCON) "Recommender Systems: Beyond Machine Learning" 8/2017 (video)