The executive chancellor of the Oakland medical marijuana university that was raided by federal agents Monday said she advised founder Richard Lee, whose home also was raided, to stay away.

The properties raided Monday included the university, a museum at 17th and Broadway--where Lee recently relocated his dispensary after his landlord received a warning letter from the U.S. attorney--and two other locations Lee has rented.

A raid also was being conducted on the home of a friend of Lee's, said Executive Chancellor Dale Sky Jones. Lee founded Oaksterdam as the state's first cannabis-industry training school.

PHOTOS: Feds raid medical cannabis school in Oakland

"This is a calculated attack across the state on everyone who is trying to bring the cannabis industry out of the darkness and into the light," Jones said. "They're going after industry leaders one at a time."

Jones said Lee has been working with city officials to re-permit the dispensary at the new location. She and others who were gathered in downtown Oakland on Monday stressed that law enforcement resources were being squandered.