Letitia Baldrige — American Writer born on February 09, 1926, died on October 29, 2012

Letitia "Tish" Baldrige was an American etiquette expert and public relations executive who was most famous for serving as Jacqueline Kennedy's Social Secretary... (wikipedia)

For every rude executive who makes it to the top, there are nine successful executives with good manners.
There are major C.E.O.'s who do not know how to hold a knife and fork properly, but I don't worry about that as much as the lack of kindness.