Most successful HBS passouts - Walter Haas, Jr (1939)

(Source: New York Times)

Walter Haas, Jr., class of 1939, succeeded his father as the CEO of Levi Strauss & Co. He grew Levi's from a regional California brand to one of the world's biggest apparel companies.

(Compiled by Marketingpundit.com)

Most successful HBS passouts - Matt Salzberg (2010)

(Source: Linkedin)

Matt Salzberg graduated from Harvard Business School in 2010. He is the founder and CEO of Blue Apron, the New York-based meal planning and delivery service that was recently valued at $2 billion.

(Compiled by Marketingpundit.com)

Most successful HBS passouts - Michael Bloomberg (1966)

(Source: Forbes)

Michael Bloomberg received his MBA in 1966 and went on to found financial data company Bloomberg LP in 1981 before serving three terms as the mayor of New York City. An active philanthropist, Bloomberg has given more than $3.8 billion to good causes.

(Compiled by Marketingpundit.com)

Most successful HBS passouts - Mark Pincus (1993)

(Source: Business Insider)

Mark Pincus, MBA graduate of 1993, is the cofounder of social media gaming company Zynga. He recently returned as the company's CEO and today he's worth around $1.11 billion.

(Compiled by Marketingpundit.com)

Most successful HBS passouts - Mitt Romney (1974)

(Source: Associated Press)

After getting his MBA from Harvard Business School in 1974, Mitt Romney had a long career with Bain Consulting. He was elected governor of Massachusetts in 2002 and has since been a never-say-die presidential candidate.

(Compiled by Marketingpundit.com)

Most successful Harvard Business School passouts - Ann Moore (1978)

(Source: Forbes)

Ann Moore earned her MBA in 1978 and went on to the top of the publishing industry, becoming the first female CEO of Time, Inc. in 2002. She is now running The Curator Gallery, a fine art gallery in New York City.

(Compiled by Marketingpundit.com)