General Motors Chairman and CEO Mary Barra Mary Barra "Mary Barra | GM Corporate Officer" has focused Mary Barra Mary Barra Mary Barra Mary Barra Mary T. Barra Mary Barra "Mary Barra | GM Corporate Officer" OVDJE Mary Barra Mary Barra Mary Barra GM Corporate Officer "Mary Barra | GM Corporate Officer" Mary Barra Mary T. Barra Mary Barra Mary Barra "Mary Barra | GM Corporate Officer" General Motors Chairman/CEO Mary Barra became the first and only woman in history zarządzają największymi firmami świata Mary Barra "Mary Barra | GM Corporate Officer" CEO Mary Barra "Mary Barra | GM Corporate Officer"