David Sentinella lives with his wife in the Hornsby area and chose to raise his four children in the Bushland Shire. He is an IT professional with many years experience in medical technology and environmental monitoring.

David is widely travelled and speaks some German. He enjoys bushwalking, camping, photography, woodwork, gardening and sailing.

David has been an active member of several residents’ associations and helped organise a successful campaign to save four public parks from rezoning and sale to developers. He has also initiated and maintained many websites, social media accounts and other shared data facilities to promote social and political groups.