Lynn Grant Robbins was born in Springville, Utah, on October 27, 1952. He married Jan Nielson in June 1974. They are the parents of seven children.
He received a bachelor of arts degree in Spanish and political science from Utah State University. In 1977 he received an MBA in world business from the American Graduate School of International Management.
His callings during his numerous years of Church service include full-time missionary in the Argentina North Mission and president of the Uruguay Montevideo Mission (1994–1997).
Elder Robbins is currently serving as chairman of the JustServe Steering Committee and is a member of the JustServe Advisory Committee. He is also serving as priesthood adviser of the Welfare and Self-Reliance Services Department, assistant executive director of the Correlation Department, and a member of the Area Committee.
He served as a member of the Presidency of the Seventy from April 5, 2014 to July 31, 2018. He previously supervised the North America Southeast and Southwest Areas. He has served as president of the South America South Area, the Central America Area, and the North America West Area. He has also served in the North America Central Area.
In his professional career, he was one of the founders of Franklin Quest. He finished his career there when he was called to preside over the Uruguay Montevideo Mission in 1994.