Robert Roark Bulach, age 84 of Naperville Illinois, formerly of Nashville Tennessee, passed away on October 28th, 2026.

Robert was born in Los Angeles, California to Robert and Lorita Bulach on July 1, 1942. He was a graduate of Kelly Grade School and Richwood’s Community High School in Peoria, Illinois and of Southern Illinois University in Carbondale, Illinois.

Upon completing high school in 1960, Robert joined the United States Navy. During his military service he was a crew member of the USS Hazelwood DD531, involved in both the Cuban Missile Blockade and the search and recovery mission for the USS Thresher. Upon completion of his military obligation and honorable discharge he enrolled at Southern Illinois University and graduated in 1965.

Robert enjoyed a full career with the IBM Corporation holding a variety of technical and management positions. After retiring from IBM, Robert exercised his entrepreneurial skills as owner and operator of his own business.

Robert was predeceased by his parents, his Stepmother Mabel Bulach, his brother George Bulach and his loving wife Judith Barbara Bulach. He is survived by his loving children Joanna Trepanier (Michael) and Cheryl Havelka and his stepchildren Kim Pearce (Kem) and Jill McIlnay (Rob). Robert enjoyed spending time with each of his fifteen grandchildren and five great grandchildren.

Interment to be held at a later date. Service information will be updated once available.

Funeral arrangements entrusted to McCauley-Sullivan Funeral Home & Crematorium.