Larry Richwine built his first modified tractor in high school. As an NTPA-licensed competitor for 41 consecutive years, he has competed in five different divisions: Modified, Pro Stock, Super Stock, Two Wheel Drive, and Modified Mini. Larry has held the position of Secretary and Treasurer with the Hoosier State Tractor Pullers Association for 25 years and is currently in his 22nd year as Director of WPI/NTPA's Technical Services, WPI sled program, and event management. He has been an instrumental part of the technical and safety development of tractor pulling in the U.S.A. and Europe since taking on his position with NTPA. Larry and his wife, Linda, live on the Richwine family farm just north of Brownsburg, Ind. Linda trains Tennessee Walking Horses on land that has worked Richwine horses since it was homesteaded five generations ago.

Tom Jackson is a WPI/NTPA Regional Director as well as a clutch and turbo inspector. His tractor pulling roots began with measuring tracks at local county fair pulls, pulling a brush league Modified and organizing a local pulling club. He has been part of NTPA for the past 11 years and serves as a tech official event coordinator. Tom has helped to bring new Tech Officials on board and contributed to the addition of new rules, such as implementing a removable steering wheel and skid plates under the Mini Modifieds. Tom has been a diesel mechanic instructor for the last 21 years and resides in Lodi, Ohio with his wife, Dianne.

Jim works for WPI/NTPA as a Tech Official and an Event Producer. He grew up and currently resides in Bellevue, Ohio with his wife and has two children, Kevin and Holly, and six grandchildren. After high school graduation, Jim spent two years in the Army and has worked for a township in Huron County ever since. Jim has had a love for pulling from a young age and raced while in high school, pulled farm tractors after he got out of the service and started pulling modified tractors in the 1970s with his brother, Ken. As an NTPA Official, Jim sets up the track and works with promoters and pullers to ensure everything is in proper working order. His main goal is to make every pull the best it can be. When Jim isn't working with the pulling circuit, he enjoys NHRA drag racing and has been an assistant boys' basketball coach for the last 20 years.