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Grand Rapids Gold Coaching & Basketball Operations Staff

Ryan Bowen - Head Coach

Ryan Bowen brings more than 30 years of basketball experience to the Grand Rapids Gold. A native of Fort Madison, Iowa, Bowen played collegiately at the University of Iowa from 1994–98, located just an hour from his hometown. Following a senior season in which he averaged 14.4 points per game, Bowen was selected in the second round of the NBA Draft.

Bowen began his professional career overseas with Oyak Renault in the Turkish Basketball League before joining the Denver Nuggets in 1999. Five of his 10 seasons as an NBA player were spent with Denver. Following his playing career, Bowen transitioned directly into coaching, returning to Iowa City for a year as a video coordinator.

Bowen has spent the last 14 seasons on coaching staffs, including 12 within the Denver Nuggets organization. His tenure includes helping the Nuggets capture the 2023 NBA Championship as an assistant coach. Bowen joined the Grand Rapids Gold ahead of the 2025–26 season, marking his second head coaching role at the NBA level after leading the Nuggets’ Summer League team in 2022.


Antonio Bostic - Assistant Coach

Antonio Bostic played collegiately at Stephen F. Austin University before transitioning into coaching immediately following his graduation in 2013. He gained experience at the Division I level with assistant coaching roles at Abilene Christian and Oral Roberts. The 2025–26 season marks Bostic’s first in the NBA ranks, as he joins the Grand Rapids Gold as an Assistant Coach.


John "Bubba" Gault - Assistant Coach/Video Coordinator

John "Bubba" Gault began his career with the Denver Nuggets in 2017 as a ball boy straight out of high school and steadily worked his way up through the organization’s coaching staff. Most recently serving as a Video Coordinator, he was part of the Nuggets’ 2023 NBA Championship team. Gault joins the Grand Rapids Gold for the 2025–26 season as an Assistant Coach and Video Coordinator.


Dean Oliver - Assistant Coach

Dean Oliver is a former All-Big Ten basketball player at the University of Iowa, where he played alongside Gold head coach Ryan Bowen. After a nine-year pro career followed by 15 years in the college coaching ranks, Oliver spent the last 9 seasons as an assistant for the University of Wisconsin men’s basketball program. Dean Oliver is entering his first season of professional coaching with the Gold in 2026-27. 


Justin Wetzel - Assistant Coach

Justin Wetzel comes to Grand Rapids with over 20 years of coaching experience, including the last 9 seasons in the G League. Most recently, Wetzel spent four years as Associate Head Coach for the Noblesville Boom, the NBA G League affiliate of the Indiana Pacers. 


Full Coaching & Basketball Operations Staff

General ManagerChad Iske
Assistant General ManagerNihal Kolur
Head CoachRyan Bowen
Assistant CoachAntonio Bostic
Assistant CoachDean Oliver
Assistant CoachJustin Wetzel
Assistant Coach/Video CoordinatorJohn "Bubba" Gault
Head Athletic TrainerShakir Iga
Assistant Athletic TrainerAlyssa Smith
Director of G League Operations/ScoutingMatthew Tynes
Head Strength CoachEric Hsu
Video Coordinator/Player Development AssociateNoah Hart
Player Development Associate/Assistant Video CoordinatorKendall Gray
Senior Basketball Operations & Scouting AssistantBrandon Wiseman
Equipment Manager/Basketball Operations Assistant Jaelen Amos
Player Development InternConnor Leach