The company also reports that Randy Ronning has resigned from the board. Zeisser is senior vice president of Liberty Media Corp., where he oversees electronic commerce, interactive gaming and digital media. Liberty’s e-commerce properties include QVC.com, Provide Commerce, Backcountry.com, BuySeasons.com, Bodybuilding.com, IAC/InterActiveCorp, and Expedia. Liberty is No. 11 in the Internet Retailer Top 500 Guide.