K. Brett Nattress was born in Pocatello, Idaho, on March 4, 1965. He married Shawna Lee Adamson in April 1987. They are the parents of seven children.
He attended Brigham Young University and received a bachelor of science degree in physical therapy from the University of Utah in 1990.
He has served in numerous Church callings, including full-time missionary in the California Sacramento Mission, ward Young Men president, bishop, stake Young Men president, stake president, Area Seventy, and mission president.
At the time of his call, Elder K. Brett Nattress had been serving as president of the Arizona Gilbert Mission.
He served at Church headquarters as an area assistant in the Utah, Idaho, and North America Central Areas and as an assistant executive director of the Missionary Department. He is currently serving as a member of the Pacific Area Presidency.
He has been employed in health-care administration as co-founder and president of Advanced Health Care Corporation beginning in December 2000. He was also the founder and president of Advanced Health Care Management, Inc.