Dr. Scott Nykaza is being promoted from chief operating officer to president and chief operating officer.

He had been at the company since January.

Mark Garth was promoted to senior vice president and chief financial officer at Perdue Farms.

SunOpta Inc. appointed Hendrik (Rik) Jacobs to the position of president and chief operating officer, effective August 1, 2012.

ChromaDex Corporation appointed Debra A. Heim as chief operating officer and president of its Consumer Products Division.

Premier Foods PLC reported changes to its executive director and leadership team to strengthen focus on the company's renewed growth plan.

Sara Lee Corp. appointed Michel M.G. Cup as executive vice president and chief financial officer of its International Beverage business.

The Wendy's Company announced Emil J. Brolick will join Wendy's as president and chief executive officer.