Jonathan Philip Klein (1956–2016)[1] was an American expert in dog training and behavior consultant based in Los Angeles.
[9] In 2016, his 5,000 square foot facility offered training, day-care for dogs, and both long and short term boarding.
[18] Klein opposed surgical methods to remove or soften a dog's bark, sometimes known as debarking or devocalization.
[10] Klein attended Phillips Academy in Andover from 1971 to 1973, graduated from Palisades Charter High School in 1974, and earned a BA from the University of California at Santa Barbara in 1980.
He wrote a blog entitled thedogbehaviorexpert.com and served as a legal advisor and expert witness in dog behavior cases.