Donna Towles, a veteran executive at yellow pages and interactive advertising publishing firm Dex One (NYSE: DEXO), is taking on a new role.

Towles is now the company’s senior vice president of operations, Dex One said Thursday. She previous had been vice president of publishing and client care.

Dex One is continuing to reorganize its workforce under Chief Executive Officer Alfred Mockett. Mockett took over as CEO in September.

Towles will lead efforts to modernize the firm’s operational systems with a focus on “better support” of integrated service packages to customers, the company said.

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