Seattle-based Double Down Interactive, LLC, publishers of DoubleDown Casino, reached a major social gaming milestone recently by surpassing more than 1 million monthly users playing the Facebook game, DoubleDown Casino. The company continues to scale rapidly by leading two of the market’s hottest sectors, social gaming and virtual currency.

The company also announced the hiring of Charles Harper as vice president of business development. With more than 14 years of experience in the gaming industry, and lauded for selling the first in-game advertisement online, Harper joins the DoubleDown Interactive team to help the social game developer maintain its steady growth and reach more prosperous achievements with its innovative offering and virtual currency business model.

“I can’t think of a more strategic time to bring in someone of Charles Harper’s caliber,” said Greg Enell, chief executive officer, Double Down Interactive. “Charles is a proven deal maker in the online and mobile gaming markets and is perfectly suited to secure the key partnerships that will enhance our product offering and expand our distribution across existing and new platforms.”

Prior endeavors and appointments include trailblazing deals for some of the top names in gaming, including Real Networks where he helped launch RealArcade and managed its Business Development group across PC, mobile and social games; ScreenLife, where he was responsible for taking “Scene It?” to set top boxes, the Xbox and onto mobile devices; and WildTangent where he managed the custom games business group working with top brands, such as Nike, McDonalds, General Mills, Microsoft, Intel and Anheuser- Busch.

“This appointment is the best next step in my career,” Harper said. “The skill and enthusiasm of the team here at Double Down Interactive creates a perfect environment for success.”

The DoubleDown Casino is experiencing incredible growth in its user base and remains one of the stickiest and fastest-growing games on Facebook with more than 300,000 people playing each day.