
Dave Sifry

Dave Sifry is an American software entrepreneur and blogosphere icon known for founding Technorati in 2004, formerly a leading blog search engine. He also lectures widely on wireless technology and policy, weblogs, and open source software.
Early years.
Sifry grew up on Long Island, and learned to program on a Commodore PET. While in his teens, he decided that someday he would move to Silicon Valley and start a company. After studying computer science at Johns Hopkins University, he worked for Mitsubishi.
Career.
Sifry cofounded Sputnik, a Wi-Fi gateway company, Linuxcare, and Offbeat Guides.
He has been a founding member of the board of Linux International, and a technical advisor to the National Cybercrime Training Partnership for law enforcement.
Dave worked as a business developer for Mozilla/Mozillamessaging, trying to bring partners to Mozilla Thunderbird. 
Personal life.
David is married to Noriko and has two kids, Melody and Noah.