He previously played college basketball for the Pioneers under his father, David Sr., and later served as an associate head coach under him at Grinnell.

[2][3] Arseneault was later the head coach of the Reno Bighorns in the NBA Development League for two seasons (2014–2016) before returning to Grinnell.

[6] As a player under his dad's fast-paced Grinnell System, Arseneault was named a three-time finalist for the Bob Cousy Award, which is given annually to the nation's top point guard.

"[11] In 2013–14, Rick Reilly of ESPN wrote that Arseneault "does the coaching" while his father "watches three feet from the far end of the bench, sometimes with his granddaughter on his lap.

[16] Arsenault returned to Grinnell as their interim head coach for 2016–17, when his father was scheduled to be on another sabbatical leave.