Best Buy, the$50.7 billion Richfield, Minn.-based electronics retailer,appointed Sharon McCollam, CFO and chiefadministrative officer. She succeeds JamesMuehlbauer, who resigned. McCollam, 50, pictured atright, retired from Williams-Sonoma earlier this year as CFO, COOand executive vice president. She also served as a director from2010 to 2012. Previously, she was CFO at Dole Fresh Vegetables, aunit of Dole Foods, from 1996 to 2000.

Sun Bancorp, a bank holding company with $3.2billion in assets, named Thomas Brugger CFO andexecutive vice president of its Vineland, N.J.-based subsidiary,Sun National Bank. He succeeds Robert Crowl, wholeft to become CFO of PHH in April. Brugger, 45, previously was CFOand executive vice president at Customers Bancorp and itssubsidiary Customers Bank. Earlier he was corporate treasurer,chief investment officer and portfolio manager at SovereignBank.

Leap Wireless, a $3 billion wireless serviceprovider, named Perley McBride CFO and executivevice president. He succeeds Jerry Elliot, who waspromoted to president and COO of the San Diego, Calif.-basedcompany. McBride, 46, recently served as executive vice presidentof finance at The Weather Company. Previously he was corporate vicepresident of financial planning and analysis at FrontierCommunications and worked in accounting and finance at Sprint PCSand Citizens Communications.