Ian writes on fossil energies, climate, and transition to renewables. Vicki Hollub is CEO of Occidental Petroleum OXY Corporation, the first woman CEO of a large U.S. oil and gas company.

Warren Buffett’s Berkshire Hathaway purchased 763,017 shares of Occidental Petroleum on Friday for $35.7 million, according ...

According to an 11th February Securities and Exchange Commission (SEC) filing, Berkshire Hathaway Chair Warren Buffett ...

Occidental Petroleum CEO Vicki Hollub spoke to The Wall Street Journal about her musical background, using sports metaphors as a management tool, and whether she'd rather tailgate with Bear Bryant ...

That’s a feather in the cap of CEO Vicki Hollub, who may have gotten a boost from Warren Buffett’s Berkshire Hathaway ...