He then joined Holland & Hart of Denver and eventually became managing partner. Retiring in 1995, he created the Buell law firm with his wife, Joan, as his legal assistant, and formed Buell & Ezell with Steven Ezell in 2001; they worked together until Bruce retired in May 2019. He also served as legal counsel of the Colorado Bankers Association for 25 years. He was deeply involved in his church as an elder/trustee, a choir member, and in prison ministry.
Bruce is survived by his wife, Joan, whom he married four days after graduating from Princeton; three children; six grandchildren; and nine great-grandchildren.