1. J. Périco -5 8
2. A. Villavicencio -4 14*
3. A. E. Ortiz -3 F
T4. H. Machado -2 F*
T4. G. Chuang -2 11*
T6. N. Echavarria -1 F*
T6. A. Gallegos -1 F
T6. T. Gana -1 F
T6. J. Esteve -1 6

USGA Experts

Matthew Pringle, Ph.D. Senior Director, Research, Science and Innovation

Matt Pringle has been with the USGA since 2000 after completing his doctoral thesis at McMaster University in Hamilton, Ontario, Canada.  Pringle’s contributions to the USGA include the invention of the pendulum test for spring effect in drivers, the USGA TruFirm turf firmness measurement system used at all USGA championships, as well as many other PGA TOUR and major golf championships.  He is also the co-inventor of the USGA’s GrooveScan portable groove measurement system and the USGA’s flagstick pace of play tool. Pringle is the inventor or co-inventor on seven United States patents related to golf.  In 2010, he was named to GOLF's “40 Under 40: The Most Influential People in Golf Under 40-years-old.”Pringle graduated from Queen’s University (1993) in Kingston, Ontario, Canada with a bachelor’s degree in mechanical engineering.  He then joined the consulting engineering firm of Hatch Associates in Toronto, Ontario, Canada prior to pursuing his doctorate. Matt is married to Dr. Tracy Clarke-Pringle a process control expert with DuPont in Wilmington, DE.  They have two young daughters, Campbell and Reilly, and live in Bordentown, N.J.