Gunnufson, Ridgeway, Estelle, Tosi Appointed at Rockwell

Rockwell Collins, Cedar Rapids, Iowa, has made the following appointments: Scott Gunnufson to vice president and general manager, Service Solutions; LeAnn Ridgeway to vice president and managing director, Americas; Ken Estelle to senior director, Business Development; and Thierry Tosi to vice president, Strategy and Mergers Acquisitions.