"Lou Simpson,who managed GEICO's investment portfolio from 1970 to 2011, was chosen by Warren Buffett to succeed him at the helm of Berkshire Hathaway's investment operations until he retired a couple of years ago at the age of 76. Mr. Simpson's track record at GEICO easily qualifies him for the Investing Hall of Fame, yet he has appeared in only a handful of brief newspaper articles over the years. Kristian Siem was once described in Barron's as Norway Warren Buffett. Virtually unknown in the U.S. except to a very small handful of investors, Siem has growth the book value of his closely held holding company, Siem Industries, at 22% annually over the past 25 years by sticking faithfully to two key principles: Always invest in your field of competence, and concentrate your investments. Siem has conducted his business dealings according to a powerful yet simple motto: Arrogance is always a handicap; humility is a virtue. Leucadia National Corporationhas been called the mini-Berkshire Hathaway. Originally a troubled finance company called Talcott Corp., Leucadia was taken over in XX by Ian Cumming and Joe Steinberg, who together achieved a XX% growth in a book value per share to date, with opportunistic investments ranging from Insurance to Real Estate to Casinos. Leucadia has a cult following among value investors, but there has never been a definitive history of the company and of Cumming/Steinberg's record"--