Stephen was educated at Canterbury School in New England. At age 17 he joined the Navy where he volunteered for submarines and received an award for hazardous duty under the Artic ice cap. Stephen joined the family business upon his honorable discharge from the Silent Service in 1969. He is currently a principal and director of Sordoni Construction Co., which celebrated it's 100th Anniversary in 2010. A lifelong volunteer, he has served on the board and in executive capacities at United Way of Pennsylvania and United Way of America and was the founding member of the Alexis de Tocqueville Society in Northeast Pennsylvania. He was a trustee of the Academy of Natural Sciences of Philadelphia and Vice Chairman of The Nature Conservancy, Pennsylvania Chapter.