Mr. Dave started Testing, Adjusting and Balancing in 1992 with a company named Baltimore Air Balance. Mr. Dave worked there for 23 years as a filed technician. In 2007 Mr. Dave became BABCO's AABC Test and Balance Engineer (TBE). As the company TBE he reviewed reports, handled meetings and Training the apprentices both in the office class room and out in the filed. In 2008 Mr. Dave became BABCO's AABC-ACG Commissioning Authority. He continued the roll of performing the TBE requirements as well as performing the Commissioning activities.