Kenneth Lawrence Fisher (born November 29, 1950) is an American investment analyst and the founder and chairman of Fisher Investments, a money management firm with offices in Woodside, California, San Mateo, California, and Camas, Washington, London, England, and Frankfurt and Rodenbach. Fisher writes a monthly column in Forbes magazine, and is the publication's longest continuously running columnist. He contributes to other financial and news magazines, has written eleven books, and has written research papers in the field of behavioral finance. He is on the 2016 Forbes 400 list of richest Americans and Forbes list of world billionaires, and as of 2016 is worth $3.6 billion. In 2010, he was named to Investment Advisor magazine's "30 for 30" list of the 30 most influential people in the investment advisory business over the last 30 years. As of 2016, Fisher’s firm manages $71 billion and has been called the largest wealth manager in the United States.