About ISZN — The International Society of ZiWei Numerology
The International Society of ZiWei Numerology (ISZN) is a legally established institution in Taiwan dedicated to teaching, preserving, and modernizing the ancient system of Imperial Astrology, also known as Zi Wei Dou Shu.
Today, ISZN is the largest Zi Wei Dou Shu teaching organization in the world, with a global network of students across multiple countries and cultural backgrounds.
As the President of the ISZN California Chapter, I work directly with the Taiwan headquarters to help extend this lineage internationally—supporting overseas students, maintaining teaching standards, and making Zi Wei Dou Shu more accessible to English-speaking practitioners.
Official Accreditation in Taiwan
ISZN is formally recognized by the Taiwan Ministry of Labor as a certified talent-training institution.
Graduates of the society’s intensive programs receive accredited Zi Wei Dou Shu certificates, providing credibility for those who wish to pursue consulting, teaching, or advanced professional study.
Comprehensive Zi Wei Dou Shu Training Courses
ISZN offers a tiered training system—from elementary to professional—designed to help students understand and apply the core principles of Zi Wei Dou Shu.
This structured curriculum helps beginners build confidence while giving advanced learners the depth needed for accurate, insightful readings.
Founder & Chief Instructor: Master Da Geng (大耕老師)
The strength of ISZN’s teaching tradition comes from its founder and chief instructor, Master Da Geng, who has devoted decades to the study and application of Zi Wei Dou Shu.
A Lifelong Journey in Zi Wei Dou Shu
Master Da Geng began his studies at age twenty under a respected metaphysics consultant for publicly listed companies in Taiwan. Over the years, he applied Zi Wei Dou Shu to guide family businesses and private enterprises—helping them identify opportunities, avoid risks, and build strategic advantages.
Initially, he offered readings only to select groups. At age forty, inspired by a prominent Buddhist esoteric master, he chose to share this ancient knowledge more widely and committed himself fully to teaching.
Modern, Logical, and Widely Respected Teaching Style
He is known for presenting Zi Wei Dou Shu with clear logic and modern thinking, making complex concepts practical and easy to understand.
His blog articles and YouTube teaching videos brought him widespread recognition, and he is especially known for his highly accurate annual forecasts, which attract a loyal and growing audience each year.
Extensive Teaching & Consulting Experience
Master Da Geng is frequently invited to speak and teach at:
- Taiwan’s Small and Medium Enterprise Administration
- Industrial Development Bureau
- universities and cultural organizations
- professional associations and private companies
He also serves as a metaphysics advisor for multiple corporations.
Mission and Vision
ISZN’s mission is to bring Zi Wei Dou Shu into modern life in a clear, practical, and approachable way.
By helping individuals understand their strengths, challenges, and opportunities, the society empowers people to make informed decisions in:
- personal growth
- relationships
- career planning
- life direction
A Global Learning Community
With over ten thousand students worldwide, ISZN has cultivated one of the largest international communities for Zi Wei Dou Shu. Master Da Geng’s structured, accessible teaching style continues to draw learners from diverse cultures and backgrounds.
With accredited training, a clear learning system, and practical tools, ISZN supports a global community of students who want to deepen their understanding of the ancient art of Imperial Astrology.
