Brightstar Corp., a $5.7 billion Miami-based wireless distribution company, appointed Thomas Seifert CFO and executive vice president. He replaces Dennis Strand, who was named president of a new unit, Brightstar Financial Services. Seifert recently was CFO and senior vice president at Advanced Micro Devices. Previously he was CFO and COO at Qimonda, where he played a role in the company’s IPO. Earlier he was group vice president and general manager of the memory rroducts group at Infineon Technologies and CEO and COO at Wireline Communications.