<p src="https://specials-images.forbesimg.com/imageserve/5f60e0de5d311a2b9d2dff5d/960x0.jpg?fit=scale" alt="Kathryn Farmer" data-height="2100" data-width="1500">She is currently one of the highest-ranking women at Berkshire, the multinational conglomerate of billionaire Warren Buffett. Farmer, who has served as executive vice president of operations since September 2018, joined BNSF in 1992 as a management trainee. </p>
