David Vanterpool, Assistant Coach
David Vanterpool completed his fourth regular season with the Trail Blazers in 2015-16 after spending the previous two seasons as Director of Pro Personnel for the Oklahoma City Thunder. Named an assistant coach on the Canadian Men’s National Team in 2015, Vanterpool played for European power CSKA Moscow from 2005-07, winning a Euroleague title there before becoming an assistant coach with the club upon retirement. He earned an All-Euroleague Second Team selection during the 2003-04 season while playing for Italian champion Montepaschi Siena. Vanterpool won a CBA Championship with the Yakima Sun Kings, and was CBA MVP before being called up to the Washington Wizards, where he appeared in 22 games in 2000-01. He also spent time with the Detroit Pistons and New Jersey Nets. As a senior at Montgomery Blair High School in Silver Spring, Maryland, he was a first team All-Met selection, and went on to play college basketball at St. Bonaventure University. In 1995 he was named First Team Atlantic-10, and in 2005 St. Bonaventure University inducted him into their Athletic Hall of Fame.
Nate Tibbetts, Assistant Coach
Nate Tibbetts finished his third regular season with the Trail Blazers in 2015-16 after serving as an assistant coach for the Cleveland Cavaliers from 2011-13. Prior to his tenure with the Cavs, Tibbetts served as head coach of the NBA Development League’s Tulsa 66ers for two seasons. He guided the Oklahoma City Thunder’s D-League affiliate to a 64-41 (.610) record and two trips to the playoffs during his time there. Tibbetts was selected to lead the West team in the 2011 D-League All-Star Game after guiding Tulsa to a conference-best 24-10 record heading into the break. He was also selected to be the United States head coach in the 2011 Pan American Games, where he led the group of D-League players to a bronze medal, USA’s first medal since 1999. Tibbetts was a member of the D-League’s Sioux Falls Skyforce coaching staff for four seasons from 2005-09 and was promoted to head coach after his first two campaigns. A former University of South Dakota standout who ranks second all-time in career assists (678) and steals (215) at the school, he was an assistant coach at the University of Sioux Falls from 2001-05. Tibbetts and his wife, Lyndsey, reside in Portland.
Dale Osbourne, Assistant Coach
Dale Osbourne finished his fourth regular season with the Trail Blazers in 2015-16, previously serving as head coach of the Tulsa 66ers, the Oklahoma City Thunder’s NBA Development League team. Catching the eye of USA Basketball, the organization selected him as an assistant coach for the 2011 Pan American Games, where the United States medaled for the first time since 1999. Osbourne spent parts of three seasons as an assistant in Tulsa before being promoted to head coach in December 2011. He has also been an assistant with the D-League’s Utah Flash and Austin Toros, in addition to coaching tenures in the WNBA, CBA and USBL. In seven years as an assistant at the University of South Alabama, Osbourne helped guide his alma mater to a pair of Sun Belt Conference titles.
John McCullough, Assistant Coach
John McCullough joins the coaching staff in 2016-17 after spending the previous four seasons as the team’s advance scout. Prior to the Trail Blazers, he was the Head Women’s Basketball Coach at Oklahoma Baptist University, leading the Lady Bison to 10 NAIA National Tournament appearances, including the 2009 NAIA Semifinals. The Big 8 Player of the Year in 1979, the former University of Oklahoma All-American was drafted by the Kansas City Kings in the 1979 NBA Draft. He went on to play professionally for seven years with the Phoenix Suns, Billings Volcanoes and Ohio Mixers (CBA), Élan Béarnais Pau-Orthez (France) and the Las Vegas Silver Streaks (WBL). John and his wife, Stephanie, have a son, Stephen, who is married to Michelle. They reside in Portland.
Jim Moran, Assistant Coach
Jim Moran completed his first season on the Trail Blazers bench in 2015-16 after spending last year in Portland as an associate video coordinator. A player development coach for the Maine Red Claws of the NBA Development League in 2013, Moran played his entire professional career for CB Gran Canaria in the Spanish ACB League from 2001-11. He is the only player in team history to have his number retired by Gran Canaria, finishing his career with 2,060 points, 802 rebounds and 321 assists. Moran played collegiately at William & Mary, where he was twice named to the All-Colonial Athletic Association Team his junior and senior seasons. A native of Syosset, New York, Moran played for the Irish Men’s National Team from 2001-06.