ISCA Members


Prof. P. 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 (DMA). He works with Horary, Elective, Natal and Mundane techniques, while making emphasis on the Hermetic and Neoplatonic philosophy behind his work as an indispensable guide to a deep understanding of the craft. 

He teaches astrology at the Astrological Center of Chile with a team of colleagues. He also participates as a speaker at conferences and symposia on a regular basis, as well as collaborates with several Spanish publications on astrology and traditional esotericism. Pablo speaks Spanish, Italian and English, in addition to possessing knowledge in Classical Greek and Latin. He holds a BA in Psychology and an MA in Psychotherapy.

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.

Cynthia Thinnes

Cynthia Thinnes Profile PictureCynthia Thinnes’ first astrology teacher was her mother, and she learned her planets and her zodiac signs along with her alphabet. She began casting charts when she was 12 and has studied and practiced astrology ever since. She holds Level II Certification from the National Council of Geocosmic Research and studied Classical Astrology under Prof. P. James Clark.

Cynthia speaks Japanese and has studied Swedish, Spanish, Latin, and Classical Greek. She has a strong interest in Traditionalist philosophy and in restoring honor to the Feminine Principle in Classical Astrology. She is working on the development of an outgrowth of Classical Astrology rooted in pre-Aristotelian thought which she calls Essentialist Astrology.

Maria J. Mateus

Maria is a professional astrologer, researcher and author with 35 years of training. She’s open to all astrological schools but maintains a special interest in research, history, linguistics, philosophy and traditional techniques. She believes the key to understanding astrology,
is to understand the manner in which logos (language and mind) reflects the world we inhabit.

In 2002, her desire to demystify the relationship between inner emotional states and outer world manifestations of those same states led her on an on-going 16-year investigation that culminated in the development of the LINCOS grammatical approach to astrology.

Maria has lectured at conferences and workshops around the world and taught at the International Academy of Astrology and at Kepler College. She’s written for several publications and has translated two books on classical astrological techniques. She holds a BA in Psychology from the University of Texas and is one of five people in the nation, who hold an MA in Astrology.