Steve Ballmer

Build 2013

Day 1 Keynote

01:45:52

BUILD2011

Keynote #2

01:49:03

PDC 1991

PDC 1991 Power Point Presentation by Steve Ballmer

PDC 2010

PDC10 keynotes with Steve Ballmer and Bob Muglia

02:20:33

MIX08

Keynote II