Kieran Ringgenberg is an attorney providing legal services covering Cannabis Law, Business Litigation and Business / Corporate.Kieran Ringgenberg, who practices law in Oakland, California, was selected to Rising Stars for 2009 - 2013. This peer designation is awarded only to a select number of accomplished attorneys in each state. The Rising Stars selection process takes into account peer recognition, professional achievement in legal practice, and other cogent factors.Prior to becoming an attorney, he studied at New York University School of Law. He graduated in 1999.After passing the bar exam, he was admitted to legal practice in 1999.