ISCA Members

Prof. Peter James ClarkDirector

Prof. Clark was born in London, England and now resides on Vancouver Island in British Columbia. He began his metaphysical and spiritual studies at the age of 14 and has nearly 50 years experience in the Arts.

He is a scholar of the European Renaissance who conducted university courses on the literature and philosophy of the period. He speaks English, French, Spanish and is familiar with Greek and Latin. He is currently studying Classical Arabic.

His interests are not merely academic. They are integral to his life as an Astrologer and Shaman in the Druidic tradition of his Anglo-Welsh heritage. His current research includes the alchemy of Hellenistic, Persian and Indian Astrology in the crucible of Neo-Platonic and Hermetic Philosophy.He holds a diploma in Advanced Herbology and is currently writing a book on Traditional Astrological Medicine, drawing on Arabic and European sources.

Clélia Romano – Educational Coordinator


Clélia Romano was born in São Paulo, Brazil. She was a clinical psychologist for 20 years, dedicating her life to psychoanalysis, teaching and consultations. However, in 1983 she was drawn toward the esoteric field, particularly astrology and has developed another way to look at the human mind, behaviour and life in general.She studied the material elaborated in Robert Zoller´s course applying to the Certificate of Medieval Astrologer in 2003. She received the Diploma of Medieval Astrologer (DMA). Clélia translated the work of Māshāʿallāh, On Reception, from the Latin to Portuguese. In 2010, she has published a book in Portuguese of what would be a trilogy entitled Foundations of Traditional Astrology. The second book entitled The Practice of Traditional Astrology was published in 2013.

John Timperman


John Timperman is a Belgian astrologer who began studying astrology in 1985. He was one of the first Belgian astrologers to study Traditional Astrology with Robert Zoller who he invited Zoller to conduct conferences in Belgium and Holland on a number of occasions.

John reads and speaks Dutch, French, English, German, Spanish and Italian and gives lectures in Belgium, Holland, Dutch, France and Germany.  Recently his interests are in the roots of the Art, the astrology of Babylon and Mesopotamia. Since 2008 he has been the President of the VAG. the Astrological Society of the Dutch-speaking part of Belgium.

Pablo Ianiszewski


Pablo Ianiszewski is a Traditional Astrologer from Chile and has graduated from Robert Zoller’s Diploma Course in Medieval Astrology. He works with Horary, Elective & Natal perspectives, with an emphasis on the Hermetic and Neoplatonic philosophy as indispensable guides to a deep understanding of the craft.  He collaborates with several Spanish publications on astrology and traditional esotericism.

Aswin Subramanyan

Aswin Subramanyan, is the founder/publisher of Celestial Vibes e-Magazine ( on astrology. He’s a 5th generation astrologer. His maternal family has been practising astrology since the 18th century. With a foundation in Vedic Astrology, he has also developed a keen interest in Hellenistic and medieval Persian astrology.

His work and practice is a blend of all the three forms of ancient astrology. While he is awaiting the publishing of his first book that he co-wrote with his friend Tara Aal (USA), he is working on his book on Firdaria (Persian Time Lord System) where he is projecting a modified version of sub period calculations. He wishes to bridge all the three ancient traditions through his works and it will continue to be a mainstay of his astrological career. Please visit to know more about his works.