Jack joined HBC in 1981, following in the footsteps of his father and co-founder of the company, Billy Horne. Working alongside his father, Jack helped to diversify the company as they completed projects throughout the country. In 1991, Jack was named President of HBC. Seeing the renewable energy market beginning to grow, Jack and his brother Charles co-founded Power Partners LLC, a company specializing in power collection systems for wind farms. After selling Power Partners LLC to MasTec in 2007, Jack served as their Sr. Vice President of Operations from 2008-2012. He returned to Horne Brothers Construction in 2012 to start the HBC Solar Division. To date, HBC Solar has installed over 3.3 GW of solar with 450 employees.