

He was born at Kings County Hospital in Brooklyn, N.Y. on Dec. 3, 1933, son of Benjamin and Mary Matulonis. He graduated from John Adams High School in 1951 and went on to serve in the U.S. Army for two years stationed in Augsburg, Germany. He worked as an artillery surveyor and later as a radio communications specialist. During that time, he met the love of his life, Marianne Rauch, after being introduced on a blind date. They married in 1955 and moved back to the United States, living first in New York and then Michigan, where Bob earned a degree in mathematics from Eastern Michigan University. He later completed a master’s degree program in Executive Management at St. John’s University.
Bob’s career started at IBM in the education department teaching programming and technical courses. He also managed an educational research effort to develop computer-based teaching. Bob went on to start a highly successful consulting company in New York City, N.Y. before joining a Dutch consulting firm and moving to Amsterdam.
Bob welcomed challenging opportunities and adventure. He held management positions at Mobil Oil in England and American Express in Frankfurt, Germany where he was assigned by the corporation to the Department of Defense as vice president of operations of the military banking system in Europe. During his three-year tour, he introduced dual currency automated teller machines at major military installations throughout Germany.
He returned to the U.S. and started a consulting firm, Executive Decisions, which provided support to major U.S. banking, insurance, and utility corporations. As country manager in Germany and Switzerland, he introduced a global currency trading service provided by Dow Jones Telerate. At the completion of his assignment, he returned to the U.S. to become president of an artificial intelligence consulting firm, The Knowledge Management Group.
In 2000, Bob and Marianne moved to Maine to be near their grandchildren. He became active in the Portland business community as a volunteer at SCORE. Bob was also a member of the Maine chapter of the World Affairs Council and mentored students for several years at Freeport High School, which he very much enjoyed.
Bob wrote and self-published two geo-political thrillers, “The Seventh Floor” and “The Damocles Solution”, under the pen name, Robert Dietrich. He was an active member of a writers’ group that met at the Falmouth Memorial Library enjoying each week’s writing challenge and spending time with fellow writer friends. Bob was very interested in genealogy and, together with his son, Robert, spent much time researching family history and visiting places from his childhood.
In addition to his parents, Bob was predeceased by his sister, Martha Freitag; and son-in-law, Jamie Salomon.
Bob is survived by his wife of 70 years, Marianne; daughter, Susan Salomon of Portland, son, Robert Matulonis and daughter-in-law, Stephanie Matulonis of Fitchburg, Mass.; and four grandchildren, Sophie Salomon, Ben Salomon, Johanna Matulonis, and Paul Matulonis.
The family would like to express their sincere gratitude to the staff at Maine Medical Center for providing Bob with compassionate care and honoring his dignity in his final days.
A Celebration of life will be held on March 28, 2026 from 2 to 4 p.m. at Lindquist Funeral Home in Yarmouth with a private burial to be held at a later date.
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