John Adair (author) at the University of Exeter from 1990 to 2000. He is currently an Emeritus Fellow of the Windsor Leadership Trust where he regularly speaks on Leadership development programmes. Since 2006, he has been Honorary Professor of Leadership at the China Executive Leadership Academy in Pudong. In 2009 he was appointed Chair of Leadership Studies United Nations System Staff College in Turin. He is President of Adair International. John Adair (author) Professor John Eric Adair (born 18 May 1934) is a British academic who is a leadership theorist and author of more than forty books (translated into eighteen languages) on business,
John Hersey High School Tier II State Championship, but lost to the Morton Mustangs. The Hersey Marching Huskies won the University of Illinois' field competition in 2006 and won the best overall award, the Governor's Trophy in 2009. In 2016, the Hersey Marching Huskies swept class 4A at the Illinois State Marching Championships and ended up placing 7th overall. The Hersey Symphonic Band was also named the 2017 Honor Band at the 2017 Illinois SuperState competition held annually at the University of Illinois. Hersey HS competes in the Mid-Suburban League (MSL) East Division. JHHS is also a member of the Illinois High School Association