A research engineer, Ashdown brings almost 40 years experience in lighting design, research and development, as well as software engineering. He owns and runs Sun Tracker Technologies as well as byheart Consulting. Ashdown is currently working hard on several projects involving horticultural lighting design, including design software for greenhouses, and building atria that integrate climate-based annual daylight and supplemental electric lighting. He’s also authored more than 100 articles and technical journals. When he’s not working, Ashdown prefers hiking at elevations above 8,000 feet in the Canadian Rockies.