About Dr. Chen
I help smart people solve hard problems!
- Coach of two International Chemistry Olympiad gold medalists in four years;
- Longtime volunteer in promoting and supporting Chemistry Olympiad;
- Leader of the Annotated Exam Solutions for USNCO Local and National exams;
- Highly rated instructor of Mentorship Program and Coaching Sessions for USNCO;
- Passionate mentor to help students develop their potential and achieve excellence;
Sign up for Dr. Chen's Open Class for USNCO 2025
Free – No cost to join! Get expert guidance to excel in the USNCO 2025 Local and National Exams.
Exam-Focused Approach – Detailed explanations and summaries of recent USNCO exams, including key concepts, problem-solving strategies, and extensions beyond the test.
Targeted Practice & Insights – Strengthen your understanding of advanced chemistry concepts while addressing common misconceptions in USNCO.
Interactive Learning – Engage in discussions, ask questions, and gain deeper insights into challenging topics.