Verizon Communications, the $110 billion communications services provider, appointed Mike Stefanski senior vice president of investor relations. He succeeds John Doherty, who will head Verizon's strategic mergers, acquisitions, and divestitures division. Stefanski, pictured at right, most recently was treasurer and senior vice president for the New York-based company and previously served as CFO of Verizon's consumer and mass business and global wholesale unit. Earlier he was controller and vice president at Verizon Wireless. Stefanski joined Bell Atlantic, a predecessor to Verizon, in 1990 after working at Ernst & Young.

PACCAR, a $15 billion commercial truck manufacturer in Bellevue, Wash., named Robert Christensen CFO and executive vice president. The company's president, Ronald Armstrong, had been serving as principal financial officer. Christensen, 56, joined PACCAR in 1983 and most recently was executive vice president.  Previously he worked in management positions at PACCAR Parts, Kenworth and Peterbilt.

Avnet, a $26 billion Phoenix-based technology distributor, appointed Kevin Moriarty CFO. He succeeds Ray Sadowski, who is retiring after 20 years with the company. Moriarty, pictured at left, joins Avnet from Honeywell International, where he most recently was CFO of its $12 billion aerospace business.  Previously, he was controller for the automation and control solutions division and vice president of finance at Honeywell. Earlier, Moriarty worked at Bristol-Myers Squibb and was an audit partner at PricewaterhouseCoopers.