After his military retirement, Mayville joined Korn Ferry consulting firm.

[1] Mayville graduated from the United States Military Academy in 1982, branched Infantry.

He began his career as a Weapons Platoon Leader, Rifle Platoon Leader, and Company Executive Officer with the 1st Battalion, 75th Rangers at Hunter Army Airfield in Savannah, Georgia.

In June 2002, Mayville assumed command of the 173d Airborne Brigade in Vicenza, Italy and commanded the brigade during its airborne assault in northern Iraq as part of Operation Iraqi Freedom in March 2003.

[4] When he was passed over in favor of Lieutenant General Paul M. Nakasone, he opted to retire from the Army, after serving less than eight months as deputy commander.