Mark Dean, American inventor and computer engineer

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