Late last night Yellow Pages Group (YPG) announced that Darby Sieben has been appointed the new President of Mediative. Darby takes over for Patrick Lauzon who stepped down earlier this year. Darby has been with YPG since 2006, joining as a Senior Manager – Traffic, Distribution and eProduct Management, then promoted to Director, Online Services a year later. In late 2009 he was again promoted to Director, Business Development and Strategic Partnerships, and now takes the helm running Mediative. In his last role he lead the negotiation and management of partnerships key to the ongoing growth and transformation of YPG. Under his tenure, YPG grew existing agreements with companies like Google and inked strategic traffic and content sharing agreements with Yahoo! Canada, Facebook, Twitter, Microsoft, Foursquare, The Weather Network, and CBC.