Here’s a list of high-level Microsoft executives that frequently update their blog.
Ray Ozzie, Chief Technology Office (of Lotus Notes & Groove fame)
http://spaces.msn.com/members/rayozzie/
http://spaces.msn.com/members/rayozzie/
Soma Somasegar, VP of Development Tools
http://blogs.msdn.com/Somasegar/
http://blogs.msdn.com/Somasegar/
Steven Sinofsky, VP of Business Productivity/Office
http://blogs.msdn.com/techtalk/
http://blogs.msdn.com/techtalk/
Satya Nadella’s blog , Corp VP Microsoft Dynamics previously known as Microsoft Business Solutions
http://blogs.msdn.com/satyanadella
http://blogs.msdn.com/satyanadella