Alan Waggoner, a.k.a. Ken Strong

Alan died from cancer on May 6, 2013, leaving behind a wife Diane and a daughter.
The daughter seems to have been born between 2006 and 2012.   (we don't know when the information on Twitter was added.)

He joined WarriorForum in 2005. It says RIP 5/6/2013 with a tiny photo

It says he had 5,182 posts... Interest: Musician, Location: Seattle, WA
All his posts can be seen here
His wife's name is Diane.

His last Twitter post was from 2012.   (His tweets, from Sep 21, 2007 - Oct 6, 2012 seem to be all generated by an ad app)

His summary, and his photo:

Musician, copywriter, online entrepreneur, father of a beautiful 15-month old girl