Sony Entertainment Network chief Tim Schaaff will retire at year’s end, the company announced Wednesday, leaving responsibility for the conglom’s cross-platform content play in the hands of Andrew House, a CEO on the hardware side of its business.Schaaff, a veteran of Apple who has been at Sony since 2005, will remain on the board of Sony Network Entertainment Intl. as an external director. House, president and group CEO of Sony Computer Entertainment, will add the reins at SNEI to his current oversight of the PlayStation business in the absence of Schaaff, who played a key role in making music, video and games available across a range of Sony devices. “Tim has been a strong leader within Sony who truly embodied the ‘One Sony’ spirit by successfully leading corporate-wide initiatives across business units since he joined,” said Kazuo Hirai, president and CEO of Sony Corp. Before coming to Sony, Schaaff spent 14 years at Apple, where he led a variety of initiatives including development of the Quicktime software. “Under the leadership of Kaz, and Sir Howard Stringer before him, Sony gave me tremendous support to build a global team to coordinate and lead the company’s network service business,” Schaaff said.