GRASP: Lectures by D. Ben-Zvi

Lecture Notes for some of my talks:

Course on Representations of SL2 (2012 version): See Pavel Safronov's notes for my class, as well as my own notes: Part 1: Basics and Fourier transform, Part 2: Introduction to SL2C, Part 3: Induced representations, Borel-Weil, Universal enveloping algebra, Part 4: Spherical harmonics, characters, Verma modules, Part 5: Harish Chandra modules, principal series, Part 6: Unitary induction and intertwiners, Part 7: Discrete series and hyperbolic space (more to come). U. of Texas Austin, Spring 2012.
Course on Representations of SL2 (2005 version): Part 1, Part 2, and Part 3. U. of Texas Austin, Spring 2005.
Khovanov homology. UT Austin Geometry and Strings Seminar, 10/06.
Loop Spaces and Langlands Parameters. Northwestern Conference on Noncommutative Geometry. 5/07.
Langlands Duality for Character Theories IAS worksop on Gauge Theory and Representation Theory, November 2007.
Character sheaves and real groups IAS, February 2008.
Loop Spaces and Connections, slides (!) from an Invited Address at the AMS Central Section Meeting, Baylor University, October 2009.

Lectures by my collaborators on joint work:

David Nadler: Langlands Duality for Character Sheaves. Northwestern TFT workshop, May 2009.

Character Sheaves. Urbana TFT session, March 2009.

Loop Spaces in Representation Theory -- notes by Denis Auroux from a lecture series at the Workshop on Homological Mirror Symmetry (University of Miami, June 2008)

Langlands-Vogan-Mirror Duality Northwestern conference on noncommutative geometry. May 2007.

Langlands duality for real groups IAS conference on Algebro-Geometric Derived Categories. March 2008.

Tom Nevins: Perverse Bundles and CM Spaces Northwestern conference on noncommutative geometry. May 2007.

My Lectures on Geometric Langlands:

Lecture notes and videos from the 2007 London Math Society Invited Lecture Series are available here.
Lecture series Topological field theory and representation theory I-IV from the Workshop on Topological Field Theories at Northwestern University, May 2009. More notes from the workshop are available here.
Topological Field Theory and Geometric Langlands: notes and audio and video from a lecture series at the KITP Santa Barbara workshop on Geometric Langlands and Gauge Theory, July 2009.
Introduction to Geometric Langlands, notes from lecture at the Vienna workshop on Geometric Langlands and Physics, January 2007.
Lectures from the Gottingen Winterschule on Geometric Langlands: Geometric function theory, Geometric Langlands and Topological Field Theory and Geometric Langlands and Real Groups.
A three-part introduction to the geometric Langlands program I gave in 2002 is available on streaming video courtesy of MSRI: Geometric Class Field Theory, Quantization of Hitchin's Hamiltonians, and Factorization.
The February 2005 Talbot workshop (for which I was the plenary speaker) provided an intense "Geometric Langlands retreat" for graduate students. There are notes available as one huge file or as individual pages courtesy of Megumi Harada.
What's the deal with Geometric Langlands?: lecture notes taken by Parker Lowrey for a talk I gave at the Algebraic Geometry Boot Camp, a warmup workshop for graduate students attending the 2005 AMS Summer Institute in Algebraic Geometry, Seattle.
The Geometric Langlands Program, audio for a lecture I gave at the Workshop on Forms of Homotopy Theory: Elliptic Cohomology and Loop Spaces at the Fields Institute in Toronto, 2004.