A short history of operator theory (by Evans M. Harrell II)

Multivariable Operator theory and Dilation Theory (PIMS Lecture by K. R. Davidson) 

Model Space (Mini course, Fields Institute, Lecture by Stephan Garcia)

Operators in Function Spaces (Mini Course, Fields Institute, Lecture by W. Ross)

Dilation Theory: A Guided Tour (by Orr Moshe Shalit)