Opening Session

Industry Update From 2018 STMA President

Sarah Martin



Sarah K. Martin, CSFM, graduated from Colorado State University with a degree in Landscape Horticulture and Turfgrass Management. She has worked in A, AA and AAA minor league baseball as well as at the home of the Milwaukee Brewers’ Spring Training in Phoenix. For the past 16 years Sarah has been employed with the City of Phoenix Parks and Recreation Department. Martin has been a member of the National STMA since 1998 as well as being active in her local chapters. She currently holds the position of Vice-President of the Arizona STMA.

Keynote Speaker

Ray Tanner


University of South Carolina
Athletic director at the University of South Carolina, a position he took on July 13, 2012 after spending 16 seasons as head coach of the university’s baseball program. Gamecock student athletes have led all schools in the SEC Academic Honor Roll, earning 911 recognition in the last 10 reports. In the last five academic years, the Gamecocks have won two national championships, eight SEC championships, and 21 teams finish in the Top 10 and 40 finish in the Top 25 during the last five years.

Pro Panel

Justin Spillman – Manager: Wrigley Field Playing Surface – Chicago Cubs


spillman Justin has multiple degrees in Turf Grass Management and Agronomy. He has played a part in over 100 field builds and renovations. Has worked in all Double Leagues and both Spring Training. With a combination of 27 years of experience in the Green industry. Currently is the Head Groundskeeper at the Chicago Cubs for the last 5 Seasons.

John Turnour – Director of Field Operations – Washington Nationals


Upon graduating from NC State University in 2001, John entered the workforce as a Seasonal Assistant for the Durham Bulls AA Organization.  From Fall 2001 through Winter 2003, John was employed by the NC State Athletic Dept. as an employee of the Sports Field Management staff.  Since 2003, he has worked in Major League Baseball as an Assistant Groundskeeper with the Baltimore Orioles, Philadelphia Phillies, and San Diego Padres.  John has held his current position as the Director of Field Operations for the Washington Nationals since 2010.

Chad Mulholland – Grounds Director – Miami Marlins