Gary Aggus selected president and general mgr. succeeding Lynn Oller, who retired March 31.

Hiland Dairy Foods, Springfield, Mo.-Gary Aggus selected president and general mgr. succeeding Lynn Oller, who retired March 31. Aggus began his career in the dairy industry in 1972 with Foremost Farms in Joplin, Mo. He joined Hiland Dairy in 1984.