
Marty Abezetian
Video Services & Training Coordinator, NCAA Softball Umpire Program; current NCAA D-I softball and football official; umpired 2021 NCAA softball D-I Super Regionals and the 2016 D-II National Championship; National Pro Fastpitch umpire since 2011.

Felix Addeo
IAABO member since 1973, served his local New Jersey board and IAABO’s executive committee in multiple capacities over the years; assumed position of executive director on July 1, 2019.

Marcia Alterman
Coordinator of Volleyball Officials: Big Ten/Big East/AAC/C-USA/Horizon/MAC/MVC; active NCAA Division I referee from 1985-2012; worked NCAA, NAIA, and NJCAA postseason events; PAVO Executive Director (1996-2016), and a Conference Coordinator for 23 years; 2015 NASO Gold Whistle Award.

Glenda Bates
Coordinator of softball umpires for the Rocky Mountain Athletic Conference (RMAC); collegiate softball umpire since 1995 at the D-I and D-II levels; two-time D-II national championship umpire; camp clinician and evaluator; member of the USA Softball of Colorado Hall of Fame.

Esse Baharmast
Retired FIFA referee best known for supervising two matches during the 1998 FIFA World Cup in France; referee for the first MLS match in 1996; retired Director of Officials for US Soccer; National Soccer Hall of Fame Inductee 2022; Gold Whistle Award recipient 2011.

Bill Black
California Basketball Officials Association (CBOA) Executive Board member; many past leadership roles such as President, Vice President, Secretary Treasurer, Assigner, Training Coordinator for San Francisco Peninsula and Golden Gate units.

Mike Book
Assistant Commissioner in charge of officials for the Colorado High School Activities Association (CHSAA); former CHSAA Board of Control Committee member; Chair of the Official’s Fee Committee.

Tyler Brooks
Senior Manager of Officiating & Sports Administration for the Ohio High School Athletic Association; state administrator for the sports of wrestling, boys & girls golf, boys & girls lacrosse; active basketball and football official.

Randy Campbell
Coordinator of football officials and women’s basketball officials for the Rocky Mountain Athletic Conference (RMAC); former college football and basketball referee; NFL Replay Official.

Bill Carollo
Coordinator of football officials for the Collegiate Officiating Consortium-Football (COC); retired NFL referee; officiated eight NFL Championship games, two Super Bowls (XXX and XXXVII) and the 2008 Pro Bowl; NASO treasurer and board member emeritus.

Tyler Cerimeli
Arizona Interscholastic Association Director of Athletics & Officials; NFL Replay Official; decade of work in AIA officiating community as an official in football and tennis and as chair of the football officials leadership committee; NFHS Football Rules Committee & NFHS Football Editorial Committee.

Carl Cheffers
Former Pac-10 and NFL Europe official; NFL side judge 2000-2008; NFL referee 2008-present; Referee for Super Bowl LI between New England & Atlanta and for Super Bowl LV between Kansas City & Tampa Bay. NASO Board Member 2018-2022.

David Coleman
Pac-12 Conference Vice President of Officiating; retired D-I football official and NFL replay official video operator; member of the crew that worked Super Bowl XL in Detroit and former NFL Director of Officiating.

Don Collins
Referee & NASO contributor; Member Information & Consultation Program; longtime track & field and basketball official; lawyer; 2016 Mel Narol Medallion award recipient; former NASO board member (2011-14).

J.D. Collins
NCAA national coordinator of men’s basketball officiating; former coordinator of officials for the Mid-American Conference and Summit League; former consultant to the Big Ten Conference; former D-I official for nearly two decades, including two Final Fours.

Lewie Curtis
Director of Officials for the Iowa High School Athletic Association with a primary focus on education, training, recruitment/retention and ejection reports; sport administrator for wrestling.

Penny Davis
NCAA national coordinator of women’s basketball officiating; retired NCAAW, WNBA, D-League official; two NCAAW Final Four appearances.

Sam Davis
Sports Specialist with a primary focus on officials game reports, recruitment, training and mentoring; former NCAA D-I wrestling official; high school wrestling official; Official-in-charge of the MHSAA team and individual finals; local association President & Assigner.

Jina Doyle
ASI (Fort Wayne, Ind.) has served as NASO’s insurance provider since 2004 and was the 2017 Mel Narol Medallion award recipient; works with NASO to determine the best strategies to protect the interests of its members; incredible resource via the Member Information & Consultation Program.
Ruthie Dugal
Volleyball chairperson for the Louisiana High School Officials Association (LHSOA); LHSOA Executive Committee member since 2010; 30-year high school volleyball official and member of the Acadiana Volleyball Officials Association.

Donnie Eppley
Associate Executive Director for the International Association of Approved Basketball Officials (IAABO); NCAA D-I men’s basketball official; high school and D-III college coordinator and assigner.

Ron Foxcroft
Fox 40 International chief executive officer and founder; chief executive officer and owner of one of North America’s largest trucking logistics companies; current Honorary Colonel of Argyll and Sutherland Army Regiment, appointed by the Prime Minister of Canada; Canadian Entrepreneur of the Decade by Profit magazine; former NCAA D-I and international men’s basketball official; officiated the 1976 Olympic Gold Medal championship basketball game; former NBA officials observer; inducted into several halls of fame; NASO Education Partner; former Officiating Development Alliance member; 2004 Mel Narol Medallion Award recipient; proud charter member of NASO and three-decade sponsor; 2016 NASO Gold Whistle Award recipient; NASO board special adviser. Ron was inducted into the Order of Canada in 2018, by the Governor General of Canada.

Brian Gessner
Arizona Interscholastic Association Commissioner of Officials; retired basketball, baseball, volleyball official; 2009 AIA Boys Basketball Official of the Year; 2010 NASO Great Call Award recipient.

Alan Goldberger
Sports law attorney and author of “Sports Officiating: A Legal Guide”; Member Information and Consultation Program (MICP) representative; Referee and NASO writer and contributor; former NCAA D-I basketball official; former college baseball umpire; former high school football official.

Chris Graham
Sixth Commissioner of the Rocky Mountain Athletic Conference (RMAC); retired member of the NCAA Men’s Basketball Rules Committee; serves on the Division II Management Council, Division II Championships Committee, Division II Collegiate Commissioners Association.

Verne Harris
Coordinator of men’s basketball officials for the Rocky Mountain Athletic Conference (RMAC); NCAA D-I men’s basketball official; Multiple NCAAM D-I Final Four and National Championship appearances.

Alex Houghton
Junior National Volleyball Official; Referee for the Rocky Mountain Athletic Conference (RMAC), Mountain West and Big Sky; Lead official/mentor for the USA Volleyball (USAV) Rocky Mountain Region Junior Referee program.

Paul Johnson
33-year basketball official at the local, provincial and national levels; National Evaluator and Instructor training the next generation; Deputy City Manager of Toronto leading 28,000 employees in emergency, social and community services.

Lisa Jones
Women’s Division I college basketball referee for 20 years, including 10 Final Four assignments; former WNBA official; retired Deputy Chief of the Phoenix Fire Department and retired Director of Homeland Security & Emergency Management at the Phoenix office.

Paul LaRosa
Louisiana High School Officials Association President; NASO board member.

John Lozano
Past President of the California Basketball Officials Association (CBOA); former state rules interpreter for the state of California.

Ryan MacDowell
NCAA Division I Final Four volleyball referee 2020 & 2021; USAV National Indoor Referee; USAV National Beach Referee; Director of RVA Beach Officials Development.

Jeff Mattson
Executive Board member for the Washington Officials Association (WOA); high school football, basketball, volleyball official; former AF2 and IFL arena league football official; baseball and basketball assigner.

Devonie McClarty
NCAA D-I Women’s Volleyball official; first referee for the 2020 NCAA Division I Women’s Volleyball Championship; International FIVB and USAV official; PAVO National Official; USAV Chair, Officials Assembly.

Mike McNeilly
Instructional Chair for the California Basketball Officials Association (CBOA); NCAA college basketball official.

Barry Mano
Referee Magazine founder (1975) and publisher; Referee chief strategy officer; National Association of Sports Officials founder (1980) and president; former NCAAM DI basketball official; renowned public speaker and media guest; Officiating Development Alliance (ODA) and Officiating Commentators Alliance (OCA) member.

Lisa Mattingly
Coordinator of Women’s Basketball Officials for the SEC, Sun Belt, SWAC, OVC, Southland, ASUN; WNBA Official (1997-2007); Officiated 17 NCAAW Final Fours; 2002 Naismith Women’s College Basketball Official of the Year.

Katy Meyer
Professional Association of Volleyball Officials (PAVO) executive director; NCAA Beach Volleyball rules interpreter; AVCA board of directors, USAV Arizona Region member and PAVO Arizona Board of Officials member.

Nick Mintsopoulos
Retired professional hockey official; Officiating manager – assigner for the National Hockey League.

Kristi Moore
United States Fastpitch Association Umpire in Chief for the state of Mississippi; Umpire in Chief for the city of Laurel, MS; 7 USSSA State Tournaments; 8 Dixie Softball State Tournaments; Dixie Softball World Series.

Dennis Morris
Director of Basketball Officiating Development for the Ohio High School Athletic Association (OHSAA) and Big Ten Conference Football Back Judge.

Dana Pappas
Became the first NFHS Director of Officiating Services in 2021; responsible for officials programming, services and courses; spent 24 years with the New Mexico Activities Association, most recently as Deputy Director and Commissioner of Officials from 2012-2021. Current NASO Board Chair.

Joan Powell
Coordinator of women’s volleyball officiating for the W5 Consortium (Big West/Big Sky/Mountain West/ Pac-12/WCC); former NCAA national coordinator of volleyball officials; former Professional Association of Volleyball Officials (PAVO) president; former NASO board member (2001-05 and 2011-15); Officiating Development Alliance member.

Brent Rice
Assistant Director for the Michigan High School Athletic Association responsible for supervision and coordination of 10,000 registered athletic officials in Michigan; former professional umpire; former chief of instruction for the Wendelstedt Umpire School.

Rachael Rodriguez
USAV National Referee and International Scorer; PAVO National Referee and National Line Judge; Executive Coordinator for the Professional Association of Volleyball Officials (PAVO); NCAA Women’s D-I volleyball referee.

Pati Rolf
Director of Officials for USA Volleyball; Olympic referee at 2016 Rio and 2020 Tokyo games; PAVO/NCAA National Official; NASO board member.

Beau Rugg
Assistant Commissioner, Director of Officiating and Sports Management for the Ohio High School Athletic Association (OHSAA); oversees OHSAA’s officiating program and its 17,000 registered officials.

Kenny Seifert
Assistant Executive Director responsible for officiating for the Missouri State High School Activities Association (MSHSAA).

Sandra Serafini
Retired FIFA, men’s/women’s professional, and collegiate soccer referee; Professional Referee Organization (PRO) Director of Strategic Initiatives & Innovation; Adjunct Assistant Professor at Duke University Medical Center’s Department of Neurosurgery; former NASO board chair (2017) and current board member.

Drew Smith
ASI (Fort Wayne, Ind.) has served as NASO’s insurance provider since 2004 and was the 2017 Mel Narol Medallion award recipient; works with NASO to determine the best strategies to protect the interests of its members; incredible resource via the Member Information & Consultation Program.

Robert Smith
NCAA Big 10 football official for 20 years; numerous bowl game assignments including the 2011 and 2014 BCS National Championship games; NFHS Officials Association Official of the Year for boys and girls basketball; Iowa High School Athletic Association Officials Hall of Fame & Iowa Girls Coaches Association Basketball Officials Hall of Fame.

Todd Stordahl
Retired NASO board member; retired basketball official; Washington Interscholastic Activities Association (WIAA) production coordinator 1999-2000; WIAA coordinator of officials 2000-2002; WOA executive director 2002-present.

Julian Tackett
Commissioner of the Kentucky High School Athletic Association; Kentucky playing rules interpreter for basketball and football; event administrator for Kentucky state Boys and Girls Basketball, Football.

Ron Torbert
Former B1G football official; NFL back judge/side judge 2010-2014; NFL referee 2014-present; Referee for Super Bowl LVI between the LA Rams & Cincinnati Bengals. NASO Board Member.

Tyler Trimble
NCAA college basketball official and executive board member for the Washington Officials Association.
Back to Speakers

Mark Uyl
Executive Director for the Michigan High School Athletic Association; former MHSAA Assistant Director responsible for officials programs from 2004-2018; NCAA D-I baseball umpire; 2014 & 2017 NCAA College World Series; 2007 Pan American Games; former NASO board chair (2015) and current board member.

Joe Vaszily
NCAA Division I Women’s Basketball Official; 19 NCAAW Basketball Tournaments; 9 NCAAW Final Fours; 2018 NCAAW National Championship.

Julie Voeck
Former President of the Professional Association of Volleyball Officials (PAVO); volleyball referee – NCAA, PAVO, USA Volleyball; former NASO board member (2015-19).

Raquel Wagner
Administrator for the Umpire Review and Evaluation system used to evaluate MLB umpires. Coordinator of MLB Rule Book distribution and sales; scheduling coordinator of Umpire Supervisors & Field Observers.

Howard Webb
Professional Referee Organization (PRO) General Manager. Retired Premier League & FIFA international soccer referee. FIFA World Cup Final Referee 2010.

Ken Washington
Director of Officials for the Alabama High School Athletic Association since 2019; active basketball official since 2005 — currently in the Southeastern (SEC), Sunbelt, Southern, Atlantic Sun and SWAC conferences; worked the AHSAA state basketball finals in 2019.

Brad Watson
NHL on-ice official from 1993-2019, 1,393 regular season and 214 playoff games; officiated eight Stanley Cup Finals, one NHL all-star game, one World Cup of Hockey and the 2010 Winter Olympics in Vancouver.

Davis Whitfield
Chief Operating Officer for the National Federation of State High School Associations; former commissioner of the North Carolina High School Athletic Association (NCHSAA); former associate commissioner of the Atlantic Coast Conference (ACC).

Al Winters
Vice President of the California Basketball Officials Association (CBOA); President of the CBOA Desert Valley Unit – groundbreaking video training; active official for over 30 years; serves on the committee to assign officials for the California State Basketball playoffs.

Debbie Williamson
Retired NCAA National Coordinator of Women’s Basketball Officiating; Coordinator of women’s basketball officials for the ACC/American Athletic/A10/Big East/Big South/Colonial Athletic Association/Ivy League/MAAC/Southern conferences; former NASO board chair (2019).

Elaine Wright
Current high school volleyball and basketball official; Retired Rocky Mountain Athletic Conference (RMAC) and Region IV basketball referee; Retired Colorado Volleyball Officials Association (CVOA) and Colorado Spring Basketball Officials Association (CSBOA) board member.

Ernie Yarbrough
Assistant Executive Director and Coordinator of Officiating for the Georgia High School Association (GHSA); former Director of Officiating for the ABL Women’s Professional Basketball League; 1995 Naismith High School Basketball Official of the Year in Georgia.

Larry Young
MLB Umpire Supervisor since 2009; former MLB umpire (1985-2008); worked the World Series in 1996 and 2003; worked the All-Star game in 1991 and 2003; NASO Gold Whistle Award recipient in 2002.