Mark Highland, "The Organic Mechanic," owns and operates The Organic Mechanic Soil Company. With academic training in environmental horticulture, composting, and potting soil. Highland is a sought-after speaker at garden centers, trade shows, and similar venues to promote, educate, and inspire others to the many rewards of organic gardening. He has taught classes at Longwood Gardens, The Tyler Arboretum, Mt. Cuba Center, The Scott Arboretum, Callaway Gardens, and speaks regularly at public events like The Philadelphia Flower Show, as well as to numerous garden clubs. Highland has served as a consultant for the EPA and Institute for Local Self-Reliance, and recently received the Young Professional Award from the Perennial Plant Association.