Nina Walker, MA, LAT, ATC has served as the National Athletic Trainers Association liaison to the US Lacrosse Sports Science and Safety Committee since 2015 and is the founder of the Lacrosse Athletic Trainers Society. She serves as a staff athletic trainer for the University of North Carolina, working with the Tar Heels’ men’s lacrosse program. Walker is a graduate of Boston University and earned her master’s degree from the University of North Carolina.

Jim Starkey, MS, ATC, CSCS, FRCms is a strength and conditioning specialist with IMPACT Sports Performance and serves as the head athletic trainer for the Buffalo Bandits of the National Lacrosse League. He is a graduate of Cortland State University and earned his master’s degree from Middle Tennessee State University.

Michael Khair, M.D. (ortho) is an orthopedic surgeon at The Carrell Clinic in Dallas. A graduate of Bowdoin College who earned his medical degree at the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Khair played lacrosse at the high school and collegiate levels before suffering an injury at Bowdoin. He is currently a team physician with Southern Methodist University and the Episcopal School of Dallas, and an assistant team physician with the Dallas Mavericks and Dallas Cowboys.

Mark Mirabelli, M.D., FAAFP (primary care) is an associate professor and the program director for the Primary Care Sports Medicine Fellowship at the University of Rochester. He also serves as a team physician for SUNY Geneseo, St. John Fisher College and the Rochester Knighthawks of the National Lacrosse League. Mirabelli is a graduate of Cornell University and earned his medical degree from New York Medical College.

Mike Fox has more than 35 years of sports industry experience, including equipment manager roles with the U.S. indoor team (2007, 2011, 2015), Philadelphia Wings (2005-14), Philadelphia Barrage (2004-08) and Boston Cannons (2011-2019).

Brian Hobart has professional experience in both Major League Lacrosse and the National Lacrosse League and has a strong track record as a talent evaluator.

Hobart served as an assistant coach with the Rochester Rattlers in the MLL until the franchise relocated to Dallas for the 2018 season. Previously, he served as an assistant coach with the Hamilton Nationals from 2011 to 2012.

He has also served as a scout for the NLL’s Rochester Knighthawks and was a scout for the 2015 U.S. team.

Jimmy Butler has an extensive history with the U.S. National Teams Program. This is his second straight time serving as the general manager for the U.S. indoor team.

In field lacrosse, Butler was the general manager for the 2018 U.S. team that won a gold medal in Israel. He previously served the field team as assistant general manager of the 2010 U.S. team and equipment manager for the 2002 and 2006 U.S. teams.

He received the Spirit of Lacrosse Award at the 2015 FIL World Indoor Lacrosse Championship and the 2018 FIL Men’s World Championship.

Chris Schiller brings a wealth of international experience and familiarity with both field and box lacrosse to the U.S. team staff.

Schiller played on the 2007 and 2011 U.S. indoor teams and was an assistant coach for the 2015 U.S. indoor team. Additionally, he won a world title with the 2010 U.S. men’s team at the FIL World Championship in field lacrosse in England.

Peter Milliman served as an assistant coach for the 2019 U.S. men's box team, which won a bronze medal at the world championship. He had previous international coaching experience after leading the Russian national team at the 2014 world championship in field lacrosse.