- ASA BKS, BCC, BBC, NAV Certified
- Instructor-level for Small Boat, Basic Keel Boat, Basic Cruising, Bare Boat, Advanced Cruising, Catamaran and spinnaker sailing.
David has been sailing and teaching at Spinnaker Sailing Since 1999. He is usually found on Wednesday nights on a boat racing around the South Bay. David charters yearly for a cruising vacation and includes non-sailors, students and experienced sailors. His other hobby is mountain hiking including a yearly trip to Switzerland.