N. Robert Hammer has served as the Chairman, President, and CEO of CommVault Systems since 1998.

Early life and career

Hammer obtained his bachelors degree from Columbia University

Columbia University

Columbia University in the City of New York is a private, Ivy League university in Manhattan, New York City. Columbia is the oldest institution of higher learning in the state of New York, the fifth oldest in the United States, and one of the country's nine Colonial Colleges founded before the...

 and his Masters in Business Administration from Columbia Business School

Columbia Business School

Columbia Business School is the business school of Columbia University in Manhattan, New York City. It was established in 1916 to provide business training and professional preparation for undergraduate and graduate Columbia University students...

.

Hammer spent 15 years in various positions with Celanese

Celanese

Celanese Corporation is a Fortune 500 global technology and specialty materials company with its headquarters in Dallas, Texas. The company is a leading producer of acetyl products, which are intermediate chemicals for nearly all major industries, and is the world's largest producer of vinyl...

. He then joined Material Progress, where he served as Chairman, President, and CEO from 1982 to 1987. He later served as Chairman, President, and CEO of Telequest from 1987 to 1988. Following that, he served as Chairman, President, and CEO of Norand Corporation from 1988 until it was acquired in 1997. He continued at Norand, until its IPO in 1993. Hammer then joined Sprout Group. In 1998, he became Chairman, President, and CEO of CommVault Systems.