OMAHA, Nebraska — Warren Buffett’s Berkshire Hathaway is adding Gregory E. Abel and Ajit Jain as directors, boosting the size of its board to 14 members.

The company said Wednesday that Buffett and Charles T. Munger, Berkshire Hathaway’s vice chairman, will retain their positions on the board.

Abel, chairman and CEO of Berkshire Hathaway Energy Co., is being named vice chairman of non-insurance business operations. Jain is being appointed vice chairman of insurance operations. He currently serves as executive vice president of National Indemnity Co.