"The Supreme Guru in our line is Dattātreya, who has written 11,000 upanishads, and who has given to the world 7 crores of mahāmantras, so he is the Mantra Śastra Supreme. He is Trinātha - Brahmā, Viṣṇu and Śiva, all together in one form and who is the Supreme Being."
Kaulācāra traditions are from the Dattātrēya sampradāya, as codified in the Paraśurāma Kalpasūtra. In the Kaulācāra tradition, the notion of the self is completely absent. You see everyone as yourself.
Shirdi Sai Baba, Sathya Sai Baba, Paramahansa Yogananda, Ganapati Sacchidananda—all of these teachers come from the Dattātrēya tradition.
Incidentally, Dattātrēya is said to be still living today. His feet are resident in the Vindhya Mountains at Girnar. If you go there, it is possible that you may have his darśana. You’ve got to climb about 10,000 steps, and all you’ll find at the top is a little stone block with two footprints on it—but they are worshiped every day.
My mānavaughaḥ guru, the human form, is Swami Svaprakāśānanda Tīrtha Haṃsa Avadhūta of Anakapalle. He comes from the Dattātrēya Avadhūta tradition. I received what tradition he had received.
Source: "Gifts from the Goddess" / Guruji's recordings