John Morgridge is the Chairman Emeritus of Cisco Systems and he has an estimated net worth of $1 billion as of March 2013 according to Forbes. He is also the 426th richest person in the United States and the 1342nd in the list of World Billionaires.

Mr. Morgridge has gained his estimated net worth of $1 billion when he joined Cisco as the President and CEO in 1988. He has helped the company grow from $5 million to more than $1 billion in sales and from 34 to more than 2,250 employees. He took the company public in 1990 and was appointed chairman in 1995. He stepped down from the position in the same year and became a billionaire a year after as the company’s stock continued to rise.

In 2006, John Morgridge was named Chairman Emeritus of Cisco who continues to set the culture of the firm as one of innovation, empowerment, frugality and giving back. He continues to advocate a series of education and corporate citizenship initiatives. He is also a guiding force in the company’s long-term commitment to focusing on basic human needs, responsible citizenship, and access to education. He and his wife, Tasha, were avid philanthropists and have given several gifts to his alma maters, the University of Wisconsin and Stanford University.