Networking technologies provider Peerless Systems ( PRLS) has appointed Richard Roll as the company's new president and chief executive, effective immediately. Roll succeeds Howard Nellor, who has resigned from the post but will continue to act as a member of Peerless Systems' board of directors and as a consultant to the company. Most recently, Roll, 57, was the CEO of specialty software company FieldCentrix, a position he held from 2003 to 2005. Additionally, he acted as the president and chief operating officer of Epicor Software ( EPIC) from 1999 to 2001 and as Hitachi Koki Imaging Solutions' president and CEO from 1998 to 1999. "Rick is a proven leader, and his background in both the imaging and specialty software industries will be of great benefit to both Peerless and its customers," Nellor said in a statement. "He has led multiple companies through significant increases in market share and profitability, and I believe he is ideally suited to help Peerless capitalize on the many growth opportunities that lie ahead."