Gregory Clare has been active in astronomy and astrology since 1980, with his connection to the night sky rooted in 28 years of ocean navigation as a commercial fisherman. Formal studies led to specialisation in Hellenistic and Classical astrology, hermetic philosophy, and mundane astrology. He has been a Practitioner member of the Association of Professional Astrologers Inc. (APA) since 2005 and the Federation of Australian Astrologers (FAA) since 1998, and served as President of both the Sydney Astrological Research Society Inc. (SARS, 2006 to 2014) and the Astrology Association of NSW Inc. (AANSW, 2007 to 2014). He was co-convener of the 17th International FAA Astrology Conference in Sydney (2008) and served as Former FAA National Council representative. He is a Director and Instructor on the USA Administrative Board of the International Academy of Astrology (IAA). He has lectured internationally at UAC, nationally across Australia, and appeared on TVS and SBS television. Research interests include Vettius Valens and the hermetic tradition. He has also presented a series of talks at the Sydney Theosophical Society on hermetic understanding and the ideas of Gurdjieff.