Meet the Founder
Expertise meets innovation — the story behind PrepMaster
Sehee Han
Founder & CEO, PrepMaster
PrepMaster was founded by Sehee Han, former SSAT Program Director at Kaplan Korea and now the Founder & CEO of PrepMaster.
With over two decades of experience in boarding school admissions and standardized test education, she designed PrepMaster to combine expert insight with AI-driven personalization.
"Education becomes powerful when it's personal."— Sehee Han
20+
Years in Test Prep
1,000+
Students Mentored
AI
Pioneering AI-Driven Prep
20+ Years in Test Prep
Two decades of expertise in standardized test education
1,000+ Students Mentored
Guided thousands of students to boarding school success
Pioneering AI-Driven Prep
Leading innovation in personalized learning technology
Experience the PrepMaster Difference
Join thousands of students who have achieved their boarding school dreams with expert-guided, AI-powered preparation
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