3 March 2022, the title is “Recent evidence on the board of directors”, at Management Study Program Faculty of Economics Universitas Negeri Jakarta

26 January 2022, the title is “Resolving a Paradox: Retail Trades Positively Predict Returns but are Not Profitable”, at Management Study Program Faculty of Economics Universitas Negeri Jakarta

19 November 2021, the title is “Energy Finance”, at Management Study Program Faculty of Economics Universitas Negeri Jakarta

18 October 2021, the title is “Boeing 737 Max 8: Behavioral Issues”, at Management Study Program Faculty of Economics Universitas Negeri Jakarta