Buddhist Teacher Qualifications as Offered by the Dalai Lama
At the Western Dharma Teachers Conference in Dharmsala, His Holiness the Dalai Lama categorically stated that the only qualification of a Buddhist teacher that matters is the benefit to the students, their development of realization, and their personal transformation. He said that all titles, certificates, lineages, and presumed attainments were irrelevant if the teacher’s students did not progress. If on top of that the teachers behaved badly, treated their students harshly, etc., the students should make such conduct publicly known.
(Paraphrased in the article by Robert Thurman in the 2015 July Issue of Shambhala Sun)