Mark Hardie is a climbing guide and has provided climbing instruction for 30 years. He has also spent many years as a builder, trainer, and inspector of climbing walls and rope challenge courses. Mark is also a caving guide and has been certified through the National Cave Resource Commission. Having worked and played at height for most of his life, Mark has never had a rappelling near miss nor accident. Mark operates Daybreak Excursions a small adventure company in Frederick County, MD.