Mark Dean (computer scientist)

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Mark Dean
Born (1957-03-02) March 2, 1957 (age 64)
Alma mater
OccupationComputer engineer
Spouse(s)Denise Dean

Mark E. Dean (born March 8, 1957) is an inventor and computer engineer. He developed the ISA bus, and he led a design team for making a one-gigahertz computer processor chip.[1] He holds three of nine PC patents for being the co-creator of the IBM personal computer released in 1981.[2] In 1995, Dean was named the first ever African-American IBM Fellow.[3]

Dean was elected as a member into the National Academy of Engineering in 2001 for innovative and pioneering contributions to personal computer development.

In August 2011, writing in his blog, Dean stated that he now uses a tablet computer instead of a PC.[4][5]

Early life[edit]

Dean was born in Jefferson City, Tennessee. Dean displayed an affinity for technology and invention at a young age.[6] When Mark was young, he and his dad constructed a tractor from scratch.[7] Dean attended Jefferson City High School in Tennessee, where he excelled in both academics and athletics.[6][8]


Dean is the first[9] African-American to become an IBM Fellow, which is the highest level of technical excellence at the company. In 1997, he was inducted into the National Inventors Hall of Fame.[8][10] He was elected to the National Academy of Engineering in 2001.[11]


Dean was the interim dean of the UT's Tickle College of Engineering[12] from August 2018 to July 2019[13] and is the John Fisher Distinguished Professor in the Department of Electrical Engineering and Computer Science at the University of Tennessee.[14] He was previously CTO for IBM Middle East and Africa[15] and was an IBM Vice President overseeing the company's Almaden Research Center in San Jose, California prior to that.[11] Dean now holds more than 20 patents.[16][17] Dean was part of the team that developed the industry standard architecture (ISA) systems bus that enables multiple devices, such as modems and printers, to be connected to personal computers.

As of April 26, 2019, April 25 is now officially Mark Dean Day in Knox County, Tennessee.[18]


  1. ^ McCoy, Frank (1999-12-26). "He refined the desktop PC". U.S. News & World Report. Archived from the original on 2012-10-20. Retrieved 2011-08-12. A year later, Dean led a team that built a 1,000-megahertz chip [...]
  2. ^ Maulsby, Richard (1997-10-15). "Four American Inventors to Receive Ronald H. Brown American Innovator Awards" (Press release). United States Patent and Trademark Office. Retrieved 2013-07-11. Dean, just 40, holds more than 25 patents, including three of IBM's original nine PC patents.
  3. ^ "IBM Fellows - United States". 2017-04-13. Retrieved 2021-02-21.
  4. ^ Angel, Jonathan (2011-08-10). "Thirty years later, the personal computer's obsolete, IBM PC designer says". Archived from the original on 2012-09-04. Retrieved 2011-08-12.
  5. ^ Dean, Mark (2011-08-12). "IBM Leads the Way in the Post-PC Era". Smarter Planet. Archived from the original on 2011-08-13. I recently traded in my PC for a tablet computer [...]
  6. ^ a b "Mark Dean: Early Life and Education". Retrieved 2017-02-18.
  7. ^ "Mark Dean".
  8. ^ a b "High-tech's Invisible Man'". US Black Engineer & IT. Career Communications Group. 25 (5): 14. February 2002. ISSN 1088-3444.
  9. ^ Carter Sluby, Patricia (2009). The inventive spirit of African Americans: patented ingenuity (illustrated ed.). Greenwood Publishing Group. p. 177. ISBN 978-0-275-96674-4.
  10. ^ "Mark Dean". National Inventors Hall of Fame. Archived from the original on 2017-02-02. Retrieved 2017-02-21.
  11. ^ a b "Mark Dean - Computer Scientist of the African Diaspora". Department of Mathematics, University of Buffalo. Retrieved 2017-02-21.
  12. ^ "Parker Taking New Role at Office of Science and Technology Policy". The University of Tennessee,Knoxville. 2018-08-15. Retrieved 2018-08-17.
  13. ^ "Thank you, Mark Dean". July 2019.
  14. ^ "Personal Computer Inventor to Join College of Engineering Faculty". Tennessee Today. The University of Tennessee, Knoxville. 2013-08-07. Retrieved 2013-10-12.
  15. ^ Evans, Bob (2011-08-11). "Personal Computers Becoming Obsolete, Says IBM PC Architect". Forbes. Retrieved 2011-08-12. One of IBM’s primary designers for its iconic PC says he’s chucked the PC in favor of a tablet [..] Now CTO for IBM Middle East and Africa, Dean [...]
  16. ^ "Mark Dean: Innovation with IBM".
  17. ^ "Dr. Mark Dean: Computer Inventions". Archived from the original on 2010-07-29. Retrieved 2017-02-21.
  18. ^ "Knox County Proclaims April 25 'Dr. Mark Dean Day'". University of Tennessee. 26 April 2019. Retrieved 2019-08-27.

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