My PictureMark Grennan


Welcome to my identity page. The skitch was made at the Percona MySQL Conference San Francisio in 2013.

Identity management on the internet is difficult. I manage this website myself.  If you need proof ask me to update this code:

Identity code:  3RuOR3AblZeGU8Uy7vbkWom7aBYPzzBC

Here is my public PHP key signed by PHP Global Directory.

I also maintain a ClamID and MyOpenID accounts provide and secure my indemnity.

I have worked in the computer industry since I graduating high school in 1975.

Here are a few of the web pages I maintain.

Sharing MySQL knowlage ( I try to write posts weekly.
My Twitter feed (!/mgrennan) I sometimes tweet.
My Facebook account ( I follow my family here.
My Resume ( May need updating.
LinkedIn - (
SourceForge - (
Brain Bench - ( enter # 829201

I took these tests cold just for the fun of it.

If you want to learn more about me you should read my blog.