Raymond Christopher Tanto

About

Math Enthusiast from Indonesia. I am a bronze medalist at IMO 2024 and 2025. ASEAN Undergraduate Scholarship recipient, Computer Science undergraduate student at NUS.

Experience

• Kontes Terbuka Olimpiade Matematika (2 yrs 3 mos)
  • Chairman of the Problem Setter Division
    Mar 2025 - Present · 1 yr 5 mos

    Responsible for leading a team of 50 people in creating problems for KTOM's monthly math olympiads.

  • Grader
    Mar 2025 - Present · 1 yr 5 mos

    Responsible for grading contestant's solutions for essay problems at KTOM's monthly contests and giving them feedback. Each essay problem has roughly 30-100 scripts in total to be graded.

  • Problem Setter
    Sep 2024 - Present · 1 yr 11 mos

    Responsible for creating math olympiad problems for KTOM's monthly competitions.

• Problem Setter at Grinding OSN
  Jul 2024 - Present · 2 yrs 1 mo

• Math Olympiad Tutor at Dinas Pendidikan dan Kebudayaan Provinsi Jawa Tengah
  Aug 2024 - Oct 2025 · 1 yr 3 mos

  Tutored Central Java national round finalists for the 2024 and 2025 Indonesia National Mathematical Olympiad (OSN) at the official training camp provided by the Central Java Provincial Government.

• Problem Setter at Olimpiade Bersama
  Dec 2023 - Jan 2025 · 1 yr 2 mos

  Created Olimpiade Bersama's tryout problems for Indonesia District Mathematical Olympiad in December 2023 and January 2025.

• Math Olympiad Proofwriting Tutor at Sobat Arin
  Aug 2024 - Aug 2024 · 1 mo

  Tutored 62 math olympiad contestants at proofwriting in mathematical olympiads.