İstanbul University Mathematics Club Seminar Series (in Turkish), speaker Nilay Duruk Mutlubaş
https://www.youtube.com/watch?v=FXb4FkBwJ8E&t=1s
Sabancı SIAM Lecture Series:
Dynamical Systems, speaker Albert Erkip: https://www.youtube.com/watch?v=0P8Ob-vduaY
ITO Calculus, speaker A. Süleyman Üstünel: https://www.youtube.com/watch?v=8ubhVZNtnas&list=PLcW9svJeX6AKfEYR0ddGPkaIi4SP9ywH9