 He attended and graduated from the Gilman School, a private preparatory school for boys located in the Roland Park neighborhood of Baltimore, Maryland.He earned a bachelor's degree from the Johns Hopkins University in 1979, he graduated from University of Baltimore School of Law with a Juris Doctor in 1982, and he passed the Maryland Bar that same year.Kamenetz worked as a prosecutor in the Office of the State's Attorney for Baltimore City from 1982 to 1987, and practiced law for over 30 years.