Brian T. Ault and Thomas E. Clark are the principals of Ault, Clark & Associates. They have been working together in golf course designing since the early 1970s. Both are long time members of the American Society of Golf Course Architects, and both are past Presidents of that national organization. Each is in charge of every phase of golf course architecture on various projects, including: site evaluation; cost estimating; design; preparation of golf course construction plans and specifications; and construction administration. Golf Architect James N. Cervone, Jr., a member of the American Society of Golf Course Architects also works with ACA as Senior Design Associate providing design, production, and construction administration on several projects.

Ault, Clark designs meet the specific needs and objectives of each client. The firm has completed over 1000 projects including new facilities, additions to existing courses, and various degrees of remodeling and restoration. Clients include municipalities, private country clubs, resorts, homesite developers, and the PGA TOUR.

Ault, Clark designs are well-known for making maximum use of each site to create distinctive and exciting experience for all players and in some cases spectators, as well as television audiences.