Linda Katehi, who earlier Saturday said in a letter that he is forming a task force to investigate the incident, told a press conference in the afternoon shows what video "sad and actually very inappropriate.
About protest has been hard on him personally, but he had no plans to resign, he said.
"I don't think that I have violated the policy of the institutions. I have been working very hard to personally make the campus a campus safe for all, "he said.
Professor U.c. Davis called on the Chancellor to step down, saying he was to blame for the pepper spraying police during student protests on campus occupy.
"You are responsible for it because this is what happens when the Prime Minister to order police to ideal UC campus to disperse the protesters peacefully through the use of force: the students were injured. The Faculty will be hurt, "Nathan Brown, Assistant Professor in the United Kingdom, wrote in an open letter to Katehi.