Member United States Parachute Association (life, chairman board, executive committee 12 years, national and international delegate, Achievement award, 1981, Certified 40 year, awarded Gold Parachute Wings, 1972), Parachute Industry Association (president 1985, 86), American Institute of Aeronautics and Astronautics, Society Automotive Engineers, National Aeronautic Association, Aviation Space Writers Association (international conference 1978, 79, 82), Calistoga Skydivers (past secretary), Northern California Parachute Council (past secretary), United States Hang Gliding Association (life, past director, delegate), International Association Indiana Publications (past board directors, president Santa Barbara chapter 1979-1982), Association American Publications, Public Marketing Association (board directors, vice president), Book Publications Southern California, American Booksellers Association, Commission International de Vol Libre of Federation Aeronautical International in Paris (United States delegate, past president, lifetime President d'Honneur award 1979, recipient Paul Tissander diploma, 1984), National Speakers Assn.
- Public, principal Para Public, Santa Barbara, California, since 1969. Expert witness National Forensic Center, Technology Advisory Service for Attorneys, Consultants and Consulting Organizations Directory, Lawyer's Guide to Legal Consultants, Expert Witnesses, Services, Books and Products.
Author: The Parachute Manual, Parachuting, The Skydiver's Handbook, 2006, Parachuting Manual with Log, Hang Gliding, Manned Kiting, The Self-Publishing Manual, 2006, How to Write, Print & Sell Your Own Book, Publishing Short Run Books, Business Letters For Publishers, Computer Selection Guide, Word Processing and Information Processing, Publishing Forms, Parachuting Manual for Square/Piggyback Equipment, Frisbee Players' Handbook, Toobee Players' Handbook, Writing Nonfiction, Successful Nonfiction, 115 others, some translated in foreign languages. Past editor news magazine Spotter. Monthly columnist Parachute magazine, since 1963.
Contributor over 500 articles and photographs to mags. Patentee parachute pack, POP TOP.
Born September 17, 1938