DALLAS — Marty Devine has been promoted to chief commercial officer for Dean Foods. In his new role he will be responsible for sales, marketing and research and development for the dairy processor. Mr. Devine most recently was chief operating officer for the company.

Shay Braun has been named senior vice-president of operations and procurement. Tony Brooks will continue as senior vice-president of logistics and has been appointed to Dean Foods’ senior leadership team reporting to Gregg Tanner, chief executive officer.

“Our focus on volume growth, cost savings and effective pricing remains unchanged, and we believe these changes to our executive structure will further improve our performance,” Mr. Tanner said. “We have the best team in the industry, and I am confident these structural changes will bring the appropriate level of leadership visibility and support to our core operational functions.”