Rav Berg, also known as Rabbi Philip Berg, was a prominent figure in the field of Kabbalah, the mystical aspect of Judaism. He co-founded the Kabbalah Centre in 1984, which aimed to make Kabbalistic teachings accessible to a broader audience. His teachings emphasized the importance of spiritual growth and understanding the universe's hidden laws. Born in 1929, Rav Berg was instrumental in popularizing Kabbalah in the West, attracting many followers, including celebrities. He authored several books on Kabbalistic principles, helping to bridge the gap between ancient wisdom and modern spirituality. Rav Berg passed away in 2013, leaving a lasting legacy in the study of Kabbalah.