Luke Williams has broad experience in business as a professional manager and entrepreneur. He served as President of Total Tree Care from 1990 to 2014. He also founded and served as President of Arbor Energy from 1994 to 2014. Total Tree Care experienced growth organically, as well as with several key acquisitions during the 1990 to 2010 period. The company is a second-generation tree service company that Luke positioned and sold to Davey Tree Care in 2014.

In 2018, Arbor Energy merged into a Joint Venture with Bantam and Wesson Energy companies and rebranded as Valiant Energy with headquarters in Waterbury, CT. Valiant Energy offers diversified home services to area property owners. The offerings include HVAC services, liquid fuel delivery, electrical and plumbing services, water treatment services, home energy audit and insulation services. The company installs battery charging stations and standby generator services as well to area residential and commercial property owners.

In 2011, Luke founded Oak Tree Development, a commercial real estate development company in the Connecticut Market. Oak Tree strives to create value in underutilized properties as well as develop strategic partnerships within the commercial real estate market and develop ground-up mixed-use real estate projects.

Luke serves on several boards in Connecticut and is the current Chair of the YPO Democracy Group.