Alexey Borealis, also known under the pseudonym Mark Rusborn, holds a Master of Science in theoretical physics from Moscow State University and conducted doctoral research in astrophysics at the Australian National University. His astrological credentials include the Qualified Horary Craftsman (QHC) qualification from John Frawley's School of Astrology and the Certified in Medieval Astrology (CMA) designation from Robert Zoller's School. He is a member of APAI (holding the MAPAI title), OPA, and ISAR. He founded Morinus School of Predictive Astrology, an APAI-accredited school specialising in the methods of Jean-Baptiste Morin and Renaissance predictive techniques, with a curriculum built on logic, mathematical precision, and empirical testing rather than esoteric interpretation. He is a regular speaker at international conferences including ISAR Star Club, OPA Transit Talks, and ASPAS, and serves as an editor at AstroWiki. He has authored multiple books and textbooks on horary, medieval, and predictive astrology published under both his own name and the Mark Rusborn pseudonym, and has contributed scholarly papers to journals including ISAR International Astrologer, Correlation, and OPA The Evolving Astrologer.