In 1983, he left BYU for private sector opportunities, including a period of time as the CEO of a dairy cooperative and CFO of Bonneville Pacific Corporation.
He was also president of Weber State College (now WSU) in Ogden, Utah, for five years.
In 1991, Nadauld became a member of the LDS Church's Second Quorum of the Seventy, a full-time ecclesiastical appointment.
From 2003 to 2006, Nadauld took a leave of absence from BYU to serve as president of the church's Switzerland Geneva Mission.
He is married to Margaret Dyreng, who was the general president of the LDS Church's Young Women organization from 1997 to 2002.