Professional: Senior Information Systems Security Engineer (ISSE) at Harris Corporation in Melbourne, Florida (1997 to present). Government contractor providing information assurance and security hardening for NASA, DOC, DoD, NOAA, NWS, UAE, etc. Retired military officer (USAF 1970-95). Former Branch and Division Chief at the Air Force Information Warfare Center, Kelly AFB, San Antonio, TX (1991-95). Chief analyst of the Air Force Computer Emergency Response Team (1995-97). Computer security engineer and technical liaison officer at NASA/Ames Computational Fluid Dynamics Center (1985-91). Avionics engineer for F-15, F-16 fighters at the Avionics Lab, Wright-Patterson AFB, Ohio (1981-85). Former B-52 bomber and KC-135Q tanker (refueled SR-71s) crew chief (1971-74) in Southeast Asia (Thailand, Guam, Okinawa, Philippines) and at Beale AFB, CA. Degrees in physics (astrophysics) and electrical engineering. Married to Lois Hubbard Wall for over 37 years.

Chess: Author of 35 chess books (the 500 Miniature series and unorthodox openings books published by Chess Enterprises) and over 2,000 chess articles. Former President of Ohio Chess Association (1980-1981) and North Carolina Chess Association (1978-1980). Former Secretary-Treasurer of the North Carolina Chess Association (1976-1978) and Ohio Chess Association (1981-1983). Former USCF delegate and certified tournament director. Former co-editor of Ohio and NC state chess magazines and former editor of Dayton Chess Club Review. Former secretary of Chess Journalists of America (1984-1988). Former president of chess clubs in Statesville, NC (1976-1979); Dayton, Ohio (1980-84); Palo Alto, California (1986-1990); San Antonio, Texas (1991-1997); and Melbourne, Florida (1998-2001). 2007 Member of the Year at chess.com. Top Tactician for 2008 at chess.com. Member of USCF since 1969.

http://billwall.phpwebhosting.com/ - Bill Wall's Chess Page

http://offthewallchess.weebly.com/

http://www.chessgames.com/perl/chessplayer?pid=32393 - chessgames.com

http://www.oocities.org/siliconvalley/lab/7378/chess.htm - my old webpage (2009)