• Former Director of Lane Maintenance for the PBA National Tour. Started that Program in 1971 and has been involved in the conditioning of over 800 Professional tournaments.
• Former Tournament Director of the PBA Western Region and was awarded the Pat Patterson Award for contributions to, and for, the betterment of the PBA Western Region.
• Former Staff Member of Professional Bowling Camps, teaching both the Physical and Mental Games. Has literally given thousands of lessons, to all levels of bowlers.
• Has personally coached, managed and/or advised several Members of the PBA Hall of Fame along with many Touring Professionals, as well as Regional PBA Players.
• Has authored 7-books on the Sport of Bowling.
• Along with his Son Mike (who was 16 at the time), the Nicholson's were the National Champions in the 1980 National Father and Son Tournament, in Washington, DC.
• Has bowled 4-300 games and 2-800+ series.
• Has managed two bowling centers that hosted many PBA Tournaments.
• Currently a Member of the Technical Committee for the World Ten Pin Bowling Association (WTBA).
• Currently employed with The Kegel Company and is a Founding Member of The Foundation, which is a group that is finding solutions to the problems in our Sport.

He currently owns Nicholson Bowling Consultant (N.B.C.) which is a California based company that offers bowling centers advice on how to properly maintain their lanes.

His weekly internet Radio Show is a first of its kind that features interviews with bowling celebrities from each and every area of the sport. Phantom Radio is scheduled each week with a new Guest and as of FEB 15, 2007 it has completed 250 consecutive shows with no re-runs. The Show is popular for all those who love bowling. It is syndicated with more than 101 web sites currently carrying it.