Our Team

In 2018, Robert and Jennifer Wolbach started Specialty Service Group in Knoxville, Tennessee. Specialty Service Group is a full-service electrical contracting solution for residential, commercial, and industrial needs alike. 

With deep Knoxville roots, the team at Specialty Service Group offers more than 125 years of combined experience in the electrical services industry.

Jennifer was born and raised in Knoxville, TN, and graduated from Karns High School, followed by additional studies at the Knox Area Vocational Training School. Toward the end of her 38-year career with the US Postal Service, Robert and her started a new venture.

Robert was also born in Knoxville, but moved frequently as required by his father’s role in the Navy until his retirement in 1982 and the family's return to Knoxville. Robert graduated from West High School and began an electrical apprenticeship, earning his Journeyman Electrical Certificate. Throughout his career, Robert has worked as an electrician, foreman, general foreman, superintendent, and manager. He has also performed electrical estimating, project management, and service management. Robert has served on the executive board for IBEW for 12 years.

Randy Mays began his career in 1978, progressing from trade work to leadership roles in large companies. He started in the union and later served in the Navy for 6 years. After his military service, he returned to complete an apprenticeship with both the Union and Navy. He continued working as an electrician, moving into management at Broadway Electric as a service manager and then becoming Vice President of a smaller company where he helped to drive large-scale growth. Randy and his wife Tammy then started their own electrical company, KNX Electrical, in Clinton, TN. In 2021, KNX Electrical and Specialty Service Group merged to become the company that exists today.