My DB2 tuning guru and a very good friend Tapio Lahdenmaki's website.
My Systems DBA guru and my manager Raul Gonzalez's website.
Michael Turner's website. Even though I have not met him, he is an extremely kind and helpful person. I find his indepth knowledge of DB2 very rare.
Patrick Bossman from IBM labs, CA. He is my optimizer guru. He is always helpful with any questions I might have, no matter how elementry my questions might be.
Pauline Ng, IBM Global Services Australia. She was my manager in IBM Australia and is a great source of inspiration for me. She taught me how to be a good DBA in the short period of time I worked with her.
IDUG.ORG, your one stop shop for any thing DB2.