Ari Balogh is the former CTO and EVP of Products at Yahoo! Inc. (NASDAQ:YHOO). Now he is bringing his experience at a major Internet media company to Internet toolbar company StumbleUpon.com as the VP of engineering. He will have a major focus on the “recommendation technology” at StumbleUpon. Balogh will also be extending StumbleUpon’s development of the open-source Hadoop database HBase. Balogh will report to StumbleUpon CEO Garrett Camp. StumbleUpon has 15 million monthly users and hits one billion recommendations per month. StumbleUpon recently raised $17 million in funding after they spun out of eBay in 2009. eBay acquired StumbleUpon for $75 million in cash in 2007. [AllThingsD]

Yahoo! Inc. (NASDAQ:YHOO) chief technology officer Ari Balogh is leaving the company for “personal reasons.” Yahoo! said that Balogh’s replacement will be coming in the next few weeks. Yahoo! is considering Microsoft Corporation (NASDAQ:MSFT) online ad exec Blake Irving. Balogh joined Yahoo! a couple years ago from VeriSign. [paidContent]

Yahoo! Inc. (NASDAQ:YHOO) CTO Ari Balogh stated last Wednesday to expect further acquisitions from the search engine company.  They are looking for acquisitions that will enable them to become more involved in social networking.

According to Balogh, the company has been talking to various companies about partnerships in the social networking space.  “I can guarantee you there will be some acquisitions and we will do some stuff in house,” stated Balogh.

[via Reuters]