One-Day instensive Kali workshop with Sifu Jared Ramsburg, Ph.D. Sifu Jared is a Magda Institute Association Representative and has had the opportunity to train under Sifu Cass Magda, Virctor Del Rosario, and Ronald Hebb respectively. He has over 20 years of martial arts experience and has studied and taught various styles of martial arts such as Silat, Kali, and Jeet Kune Do.