I don't know him, but the fact they they conspicuously left out the cause of death turned me into an internet stalker, particularly since they only announced it on the 8th, when the death actually occurred on the 3rd, just 4 days after his wedding.
For those who don't know him, he was part of Gamespot, but was fired and with a few others created Giant Bomb in 2008. The site was very successful - appeared in Time Magazines top 50 websites in 2011, and was acquired by CBS in 2012. You can view his many, many videogame video reviews online. While they will certainly be able to continue on without him, he really was the face of Giant Bomb on many ways.
Here's a video that might give you an idea of his style: