David's approach to sculpting and working with granite allows him to maximize his incredibly refined technical skills. He favors working with many types including Chandler Bay, Heritage Valley, Emerald Pearl, Dakota Mahogany (granite), as well as local granite from Sullivan Maine. He served as head technician for such prestigious sculpture events as the Schoodic International Sculpture Symposium (SISS) at Acadia National Park, and Round Top Center for the Arts International Stone Carving Symposium.