Dr Greg Lang is a Professor in Tree Fruit Physiology at Michigan State University, USA. He is the current Chair of the International Society for Horticultural Science (ISHS) Workgroup on Orchard Systems and has been a plenary speaker at numerous international conferences on tree fruit production and research around the world, including the past four ISHS Cherry Symposia and the most recent ISHS Orchard Systems Symposium. Professor Lang has authored or co-authored more than 200 published papers and book chapters, edited numerous books and proceedings, and was named as one of the top 100 Innovative Horticulturalists of the past 125 years by the American Fruit Grower Magazine. Dr Greg Lang is a Professor in Tree Fruit Physiology at Michigan State University, USA. He is the current Chair of the International Society for Horticultural Science (ISHS) Workgroup on Orchard Systems and has been a plenary speaker at numerous international conferences on tree fruit production and research around the world, including the past four ISHS Cherry Symposia and the most recent ISHS Orchard Systems Symposium. Professor Lang has authored or co-authored more than 200 published papers and book chapters, edited numerous books and proceedings, and was named as one of the top 100 Innovative Horticulturalists of the past 125 years by the American Fruit Grower Magazine.