SK텔레콤
On September 21, 2007 EarthLink announced that SK Telecom would be increasing SK Telecom's investment in Helio by $270 million and they would be adjusting ownership positions in the company accordingly and giving operational control to SK Telecom. In January 2008, CEO Sky Dayton was replaced by Dr. Won Hee Sull, a former executive of SK Telecom. Sky was named non-executive chairman of the board. In a press release announcing the management changes, SK Telecom reaffirmed their commitment to Helio.