SBC Communications Inc., the $40.8 billion telecommunications company based in San Antonio, Texas, named Rick Lindner CFO. He replaces Randall Stephenson, who was named chief operating officer. Lindner, 49, had been CFO of Cingular Wireless LLC, a $15.4 billion joint venture of SBC and BellSouth Corp. Before joining Cingular, Lindner held a number of senior positions at SBC operating units, including COO, president and CEO of Southwestern Bell Wireless and CFO of Southwestern Bell Telephone. He joined the SBC family of companies in 1985 as controller of Southwestern Bell Telecom. At Cingular, Peter Ritcher will replace Lindner. Ritcher, 43, was most recently vice president of corporate finance at SBC. Since joining SBC in 1987 as its tax compliance manager, he has held finance positions in its national and network services divisions and served as CFO of Cellular One, a subsidiary.