Sheryl was the second of four children born to Jack Nelson and Charlotte (Gustafson) Nelson in Forest City, Iowa, on November 17, 1941. She attended Waldorf College and worked as a flight attendant for United Airlines in the early 1960's.

Sheryl married John Bultena on September 1, 1963 - they recently celebrated their sixty-first anniversary.

They moved to Colorado in 1968 where Sheryl spent most of her life.

She was an energetic and adventurous person who loved to travel, spend time with family and friends, and laugh until she cried.

Sheryl is survived by her husband; two sisters Martha and Ruth Ann; two daughters, Jodie (Erik) Fransen, Ann (Tim) McNamara; and four grandsons, Tyler, Keegan, Cooper and Quinn. She is preceded in death by her parents and her brother, Gary.