Complex sentence: At 30, she ventured to study Tibetan Buddhism with Dagpo Lama Rinpoche for a few years and through that met with many wise masters during her travels, including Jetsun Pema.
Split into simpler sentences: At 30, she ventured to study Tibetan Buddhism with Dagpo Lama Rinpoche. She also met with many wise masters, including Jetsun Pema.