COLLEGE

Harriman played college basketball at Augusta State beginning with the 1999–2000 season and competed with the Jaguars through the 2002–03 season in NCAA Division II and the Peach Belt Conference.

During his four-year collegiate career at Augusta State (Ga.) University, Harriman accumulated 627 career points and 375 assists while helping the program record 78 total team victories across his tenure.

He was part of Augusta State teams that qualified for two NCAA Division II Tournaments and captured one Peach Belt Conference North Division title during his time in the program.

In January 2003, Harriman was named league Player of the Week in the Peach Belt Conference during his senior season.

As a senior in 2002–03, he led the Peach Belt Conference in steals, finishing atop the conference leaderboard in that statistical category.

Across his Augusta State career, he appeared in multiple NCAA Division II seasons that included regular-season conference play, Peach Belt Conference tournament competition, and national tournament qualification, contributing primarily as a backcourt playmaker with documented scoring and assist production over four seasons.

After Harriman's rookie season in the NBL he moved to the United States to attend Augusta State (Ga.) University. Harriman tallied 627 points and 375 assists in his playing career at ASU and was named league Player of the Week in January 2003. As a senior, he led the Peach Belt Conference in steals. Harriman led ASU to two NCAA Division II Tournaments and one PBC North Division title, and he was a part of 78 victories.

After graduating from Augusta State in 2003, Harriman returned to Australia to play for the Hunter Pirates.

COACHING HISTORY

After his professional playing career, Harriman joined the coaching staff at Nova Southeastern in Fort Lauderdale, Fla. where he helped the team to 48 wins over a four-year span. The 2005-06 Sharks squad finished with 17 wins, which marked the largest single-season NCAA Division II turnaround in 15 years.

Harriman also studied under the late Rick Majerus as an assistant coach at Saint Louis from 2008 to 2012. Working side-by-side with Majerus, Harriman helped the Billikens to a pair of 20-win seasons as they improved from the ninth-place team in the Atlantic 10 in 2008 to a second-place finish in his last year in 2012. In his final year at SLU, Harriman helped develop the Billikens into an NCAA top 25 leader in scoring defense, scoring margin, turnover margin and turnovers per game. He assumed head coach duties at SLU for one game after Majerus was hospitalized and led the team to a 75-60 win over Duquesne. The Billikens earned an NCAA Tournament berth, advancing to the round of 32 after defeating Memphis in the first round.

Harriman then spent three seasons as an assistant at Nebraska under Tim Miles, guiding Terran Petteway, Shavon Shields and Dylan Talley into All-Big Ten selections during his tenure in Lincoln. Petteway led the conference in scoring in 2013/14 and became the first Cornhusker to earn a league scoring title in six decades. Nebraska also made the NCAA Tournament that same season for the first time in 15 years.

He was responsible for recruiting New Zealand guard Tai Webster, who later went on to play for the New Zealand Tall Blacks as well as the NBL.

In 2015, he joined New Mexico University, taking on the role of new associate head coach to Craig Neal. In 2017-18, Harriman helped the Lobos finish third in the Mountain West in the regular season after being selected to finish ninth overall. Harriman spent four seasons as the associate head coach at the University of New Mexico, where he oversaw all aspects of the basketball program, including scheduling, recruiting and player development. He started with the Lobos under head coach Craig Neal in April 2015 and was the only assistant retained after Paul Weir was hired as New Mexico’s new head coach in 2017.

Harriman’s joined the University of Cal (Berkley) as the first assistant hired to head coach Mark Fox’s staff in April 2019. Once there, he helped guide the Bears to a 14-18 overall record, up from 8-23 in the year prior, while increasing their conference win total to seven wins after securing just three wins the previous season. Cal swept both the Washington and Mountain programs in Berkeley, which included an upset of No. 21 Colorado at Haas Pavilion. The Bears capped off the season with a victory over rival Stanford at the Pac-12 Tournament before the season was cut short due to COVID-19.

Harriman remained a Cal assistant through the 2022/23 season and served as interim head coach between Mark Fox’s dismissal and the appointment of Mark Madsen in March 2023.

In April 2023, Harriman returned to Saint Louis for a second stint as an assistant coach, joining Travis Ford’s staff for the 2023/24 season.

Harriman joined Chris Mack’s inaugural College of Charleston staff in April 2024 as an assistant coach. Charleston finished 24–9 in 2024/25 and reached the CAA Tournament semi-finals.

He remained with Charleston for the 2025/26 season, with the Cougars recording 45 victories across Harriman’s two seasons on staff.

On 29 March 2026, Harriman was appointed an assistant coach at Clemson under Brad Brownell for the 2026/27 season, continuing a college coaching career that has included Nova Southeastern, Saint Louis, Nebraska, New Mexico, California and Charleston.