 His thesis for that degree, "The Garland Nomination, the Senate's Duty and the Surprising Lessons of Constitutional Text" has been published by the University of Pennsylvania Journal of Constitutional law.21 PA.J.Const.L 33 (2018) 

Obtaining his license to practice law in California in 1986 and in Arizona in 1988, Eckerstrom was an Assistant Public Defender in Pima County, Arizona from 1988 to 1994.He was a criminal defense attorney from 1994 until 2003, when he was appointed to the Court of Appeals.