Complex sentence: In 2004, he was the Director of Online Communications and Organizing on John Kerry's presidential campaign and, according to British press reports, he directed Internet operations for the UK Labour party's re-election campaign in 2005.
Split into simpler sentences: In 2004, he was the Director of Online Communications and Organizing on John Kerry's presidential campaign. According to British press reports, he directed Internet operations for the UK Labour party's re-election campaign in 2005.