Is Leonard Bosack Married? His Bio, Age, Wife, Net worth and Facts

Is Leonard Bosack married? Also known as Len Bosack, he is a divorced man. He was previously married to the co-founder of Cisco Systems, Sandy Lerner who was his long-time business partner too. He met his wife at Stanford University while she was serving for the Business School lab. as the manager. Bosack and Lerner celebrated their wedding in 1980. After a decade of their conjugal life, the pair decided to go in separate ways and terminated their conjugal life by means of a divorce in the early 1990s. Scroll down to explore more interesting personal facts and biography of Bosack:


Leonard Bosack


Who is Leonard Bosack?

Born as Leonard X. Bosack, he landed the planet in 1952 which makes his age be 69 years old as of 2021. By profession, he is an American computer entrepreneur who is mostly known for co-founding Cisco Systems with the then-wife. The company is noted for designing and selling consumer electronics and communications technology. He is mostly credited for pioneering the widespread commercialization of LAN connecting geographically disparate computers. After being fired by Cisco’s management, he launched engineering company XKL LLC which is known for developing and exploring optical networks for data communications.


Early Life and Educational Background

Len Bosack was born in 1952 and his place of birth is in Pennsylvania, the U.S. Talking about his background, he was born to a Polish Catholic family. He earned his high school graduation from La Salle College High School in 1969. For his higher education, he went to the University of Pennsylvania School of Engineering and Applied Science from where he earned his graduation in 1973. He became a hardware engineer for the Digital Equipment Corporation (DEC). He got accepted by the Stanford University after which he started studying computer science in 1979.


Bosack’s Career and Professional Journey

He co-founded Cisco Systems in 1984 with his future wife Sandy Lerner. The duo’s main objective was to commercialize the Advanced Gateway Server which was William Yeager and Andy Bechtolsheim built Stanford router’s revised version. The partners designed and built routers in their house and they were assisted by Stanford’s network for the experiment.

When they approached Stanford to produce and sell the routers, the University refused after which they started their own company called “Cisco”. They developed the company’s router in their garage and started commercializing it in the market in 1986 by word of mouth. Within the first month, they were able to introduce contracts worth over US$200,000. The company started introducing revolutionary technology which started them dominating in the market. In 1990, the company converted to a public company and Bosack resigned following the force by the professional managers the firm’s venture capitalists brought in. Bosack and Lerner as husband and wife sold the stock for US$170 million.


Leonard Bosack’s Personal Life

Leonard Bosack is a divorced man. He got divorced from his wife in the early 1990s. They were possibly the best couple entrepreneurs of that era. Following the divorce, Bosack has remained single focusing in his own business venture.


Body Measurements

Computer entrepreneur Len Bosack stands at a tall height above 5 feet and 8 inches. He is equally concerned to his lifestyle and fitness activities for which he has scheduled a strict diet plan.


What is the Net worth of Len Bosack?

Len Bosack has an estimated net worth of 200 million USD. In addition to his massive financial fortune, he has also gained multiple prestigious achievements including the Computer Entrepreneur Award by the Institute of Electrical and Electronics Engineers Computer Society in 2009.


Leonard Bosack Image


Wiki and Facts

The biography of Leonard X. Bosack is prepared by various wiki sites including Wikipedia. There are no verified social networking accounts like Twitter in Bosack’s name.



Leonard X. Bosack is one of the unforgettable names in the computer science industry. He has played a crucial role by pioneering and advancing the commercialization of routing technology.


Quick Facts

Birth Name: Leonard X. Bosack

Date of Birth: 1952

Place of Birth: Pennsylvania, U.S.

Parents Name: N/A

Profession: Computer Scientist, Businessman

Height: Above 5 feet and 8 inches

Weight: N/A

Net Worth: US$200 million (estimated)

Sexual Orientation: Straight

Marital Status: Divorced

Spouse/ Girlfriend: Sandy Lerner

Children: Not yet

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