Dorian J. Harrison

Dorian J. Harrison is an educator and researcher with a lifelong passion for cognitive development and pattern recognition that began in his own childhood.

He has dedicated his career to understanding how young minds process complex visual patterns, solve intricate brain teasers, and develop advanced reasoning skills.

What sets Dorian apart is his unique approach: every test question, puzzle, and brain teaser in his books has been personally designed and meticulously crafted. His deep love for teaching patterns and problem-solving strategies shines through in every carefully created practice exam.

With extensive experience in educational assessment and test preparation for CogAT, OLSAT, NNAT, and other cognitive ability tests, Dorian combines analytical expertise with accessible teaching methods.

His work focuses on making complex cognitive concepts understandable to young learners while maintaining the rigor necessary for effective test preparation.

Dorian's innovative practice materials go beyond simple questions. They build genuine understanding of reasoning patterns and cognitive strategies that serve children throughout their academic careers.

His comprehensive approach addresses not only skill development but also test anxiety management, helping young learners demonstrate their abilities with confidence.

As an educator and author, Dorian remains committed to creating resources that help unlock children's cognitive potential. His books reflect a blend of educational knowledge, teaching passion, and a childhood wonder for puzzles that has never faded.

Through his work, Dorian continues to help families navigate the cognitive assessment preparation journey with expert guidance, proven strategies, and practice materials designed with both precision and care.