Steven Ahn
Former Admissions Officer, The Wharton School
Lecturer, Emory University
Author of Global Cash Management; contributor to the Financial Times, McKinsey Global Institute, NPR, and other media
The Masterclass Series is an official online public lecture program launched by the GYSH International Youth Science Writing Competition. The sessions are delivered by members of the competition’s founding team from leading universities worldwide, together with an authoritative advisory panel led by editors-in-chief of international academic journals.
The program is designed to give every student structured exposure to the approaches and ideas behind all competition tracks. It is particularly suitable for students who have not yet chosen a specific academic direction and are still exploring their interests.
Systematic instruction on the essential writing process-from selecting a topic to completing a final draft-covering literature searches, argument development, language refinement, and other key areas.
Outstanding essays are carefully examined to reveal the thought processes, structure, and writing strategies behind high-scoring entries.
Each competition track is explored individually to help students identify effective approaches, entry points, and directions for their writing.

A systematic set of scientific writing notes covering the entire process, from topic selection to the final draft.
An officially certified Masterclass completion certificate that strengthens your academic profile.
Exclusive opportunities to interact with leading scientists in real time and gain insights into cutting-edge research.
Personalized competition preparation strategies and track-specific guidance on interpreting and approaching competition prompts.
Cohort 1: November 7, 2026 - December 26, 2026
Cohort 2: December 20, 2026 - February 7, 2027
One live session will be held each week. Each session consists of two 45-minute class periods.
Replay access: From the date of registration until the end of the competition, participants may watch the session recordings an unlimited number of times.


Develop a systematic command of literature search methods, academic writing structure, logical and critical thinking, and academic English expression.
Receive track-specific guidance to help students discover their academic interests, establish a starting point for long-term exploration, and lay a clear foundation for their future academic journey.
Former Admissions Officer, The Wharton School
Lecturer, Emory University
Author of Global Cash Management; contributor to the Financial Times, McKinsey Global Institute, NPR, and other media
Chair, Wharton School Alumni Interviewers, University of Pennsylvania
Regional Interview Director for Ivy League institutions for eight consecutive years
Professor, Emory University
Former Admissions Officer, Princeton University
Current President, International Association of Pancreatology (IAP)
First Chinese-American President of the American Pancreatic Association (APA)
Deputy Director, Peggy and Charles Stephenson Oklahoma Cancer Centre
Editor-in-Chief, Cancer Letters
Senior Deputy Editor, Gastroenterology
Recipient of the Palade Prize, the highest award of the International Association of Pancreatology