Den Martymianov

• Ukrainian National and Kharkiv Regional Chemistry Olympiad, organizing member (2020 – 2023)
• Contributed to the writing of the problem sets and grading as a judge member of Ukrainian National Olympiad
• Participated in organization of Chemistry Olympiads for high school students (2020 – 2023)
• Private chemistry tutor for gifted high-school students for Chemistry Olympiads.
• Mentor of 53th International Chemistry Olympiad (Osaka, Japan, 2021) winner
• Mentor of 54th International Chemistry Olympiad (Tianjin, China, 2022) winner
• Mentor of the winner of the competition-defense of scientific works of the Junior Academy of Sciences of Ukraine in the section “Chemistry” (Kharkiv, Ukraine, 2022)
• Mentored jury work on Ukrainian Chemistry Olympiads at the Kharkiv Regional level
(2020 – on going)