Stephen R. Bourne, Entrepreneur in Residence of El Dorado Ventures (EDV) private venture capital partnership. Bourne is known for his work on the UNIX operating system, designing the UNIX Command language, or Bourne Shell." His book, The UNIX System, was a best seller. He was a member of Bell Laboratories UNIX team, and has held senior engineering management positions at leading computer systems and networking companies including Sun Microsystems, Digital Equipment, Silicon Graphics and Cisco.