The center has hosted a variety of speakers including cosmologist Brian Swimme, beekeeper Günther Hauk, author Judy Cannato and essayist Scott Russel Sanders.
Brian Eno | Brian Mulroney | Brian May | Brian Wilson | Brian Ferneyhough | Hugh O'Brian | Brian Williams | Brian Stableford | Brian Aldiss | Brian | What About Brian | Brian Clough | Brian Stokes Mitchell | Brian Lara | Brian De Palma | Brian Dennehy | Brian Michael Bendis | Brian Lenihan | Brian Cox | Brian Boru | Patrick O'Brian | Brian Setzer | Brian McKnight | Brian Evenson | Brian Culbertson | Brian Cox (actor) | Brian Aherne | Brian Sibley | Brian Keith | Brian Jones |
Within the field of science, spiritual ecology is emerging in arenas including Physics, Biology (see: Ursula Goodenough), Consciousness Studies (see: Brian Swimme; California Institute of Integral Studies), Systems Theory (see: David Loy; Nondual Science Institute), and Gaia Hypothesis, which was first articulated by James Lovelock and Lynn Margulis in the 1970s.