Santa Clara semiconductor giant Intel named Brian Krzanich its new CEO on Thursday, making him just the sixth leader of the Silicon Valley company in its storied 45-year history.

Brian M. Krzanich

CEO: Will become the chief executive officer on May 16.

CAREER: Has been chief operating officer of Intel since January 2012. He previously held senior leadership positions in manufacturing with the company and began his career at Intel in 1982 as a process engineer.

EDUCATION: B.A. in chemistry, San Jose State University, 1982

AGE: 52

Paul S. Otellini

CEO, 2005-2013

CAREER: Otellini spent his career at Intel, joining the finance department in 1974 and holding a variety of management positions including chief operating officer and manager of several divisions. Otellini served as Intel's president and chief operating officer from 2002 to 2005 and was also elected to Intel's board of directors in 2002. He became CEO in May 2005.

EDUCATION: MBA, University of California-Berkeley, 1974; B.A. in economics, University of San Francisco, 1972

AGE: Born Oct. 12, 1950

Craig R. Barrett

CEO, 1998-2005

CAREER: Joined Intel in 1974 and is credited with perfecting the manufacturing process for Intel's powerful microprocessors. He served as chief operating officer from 1993 to 1997, president from 1997 to 1998; chief executive from 1998 through 2005; and chairman from 2005 until 2009.

EDUCATION: Ph.D. in materials science, Stanford University, 1964

AGE: Born August 29, 1939

Andrew S. Grove

CEO, 1987-1998

CAREER: Grove originally worked at Fairchild Semiconductor and joined Intel in 1968, creating the company's chip manufacturing operation. He was named chief operating officer in 1976 and president in 1979. He became chief executive in 1987 and was chairman of the board from 1997 to 2005.

EDUCATION: Ph.D., University of California-Berkeley, 1963; B.A. in chemical engineering, City College of New York, 1960.

AGE: Born September 2, 1936

Gordon E. Moore

CEO, 1975-1987

CAREER: Moore joined Shockley Semiconductor Laboratory in 1956, working on semiconductor process technology with William Shockley, co-inventor of the transistor. He was a co-founder of Fairchild Semiconductor, which produced the world's first commercial integrated circuit. In 1968, with the late Dr. Robert Noyce, he cofounded Intel. He was chief executive from 1979 until 1987, and was chairman of the board from 1979 until 1997.

EDUCATION: Ph.D in chemistry and physics, California Institute of Technology., 1954; B.S. in chemistry, University of California-Berkeley, 1950.

AGE: Born January 3, 1929

Robert N. Noyce

CEO, 1968-1975

CAREER: Noyce first worked at Shockley Semiconductor, but he and seven others left Shockley to start Fairchild Semiconductor in 1957, the first successful semiconductor company in the region. There Noyce invented a process for making integrated circuits. In 1968 Noyce and colleague Gordon Moore formed Intel. He was the president and chief executive from 1968 until 1975. At the time of his death Noyce was president of Sematech.

EDUCATION: Ph.D in physics, Massachusetts Institute of Technology, 1953; Bachelor's degree in mathematics, Grinnell College, 1949.

AGE: 1927-1990 (died at age 62)

Source: Mercury News research