Naked Carjacker Is Former English Teacher, Real Estate Exec Image Credit: Scottsdale Police Department/ABC News An Arizona man who allegedly went on a naked carjacking spree that left seven people injured and caused several crashes has worked as a real estate executive and was once a high school English teacher. John Brigham, 45, was ordered held on $100,000 bond today for the bizarre scene he allegedly caused last Friday. Toxicology reports indicated Brigham had PCP in his system at the time, police said. Brigham, who has a degree from Norwich University in English and education, according to his LinkedIn page, worked as a high school English teacher at Chandler High School in Arizona from 1995 until 2003. "He was a stellar teacher," Terry Locke, director of community relations for the Chandler Unified School District, told ABCNews.com. "He left to pursue opportunities in the private sector making a lot more money. The school was sad to see him leave. Brigham currently works as a senior vice president at a commercial property management and brokerage firm in Arizona, according to his LinkedIn profile. Around 1:30 p.m. on Friday, police said Brigham was involved into a three-car crash. After Brigham got out of his car, witnesses said his behavior was bizarre. The wife of a man involved in the crash said Brigham was undeterred and tried to carjack other vehicles, even though he had been ejected from the Prius at impact. "He got out naked, running all over the place trying to get into other people's cars," the unidentified woman told ABC News" Phoenix affiliate.