UNODC

Rostislav Dubrovin is the President of the UNODC committee at VALMUN 2025. Currently a student at the American School of Valencia. Born in Russia, he moved to China at a young age and spent most of his life there before relocating to Valencia. With extensive experience in multiple MUN conferences, he is passionate about how Model United Nations helps young people understand and engage with both global and local political issues, while encouraging the development of solutions to real-world challenges. As President of the UNODC, Dubrovin is committed to guiding both delegates and chairs throughout the program, and views this role as an opportunity for continued growth and learning.

Shreya Mahadevan is a chair of UNODC. She is a senior at the American School of Valencia, and has been attending the school for three years. She was born and raised in Charlottesville, Virginia, and moved to Valencia in 2023. Growing up, Shreya’s family was very involved in activism and the political scene of the USA, so she was raised with great interest in issues of equity and justice. She had the privilege to experience her first Model United Nations at The Hague in 2024, and also attended BCNMUN 2024. Although somewhat new to MUN, it has greatly improved Shreya’s self-confidence, public-speaking and debate skills, ability to think quickly and critically, and problem-solving capabilities. She absolutely loves how MUN provides opportunities for people to open their mind to all sorts of new perspectives on relevant issues, and to meet new people from all walks of life. This is Shreya’s first time being a chair, and she is very much looking forward to the thought-provoking debate, new friendships, and amazing memories that VALMUN 2025 has in store

Alessia Constantinescu is one of the chairs for the UNODC Committee. She is currently a senior at the American School of Valencia, where she has been studying for the past two years. Moving to Spain from Romania in 2023, Alessia has discovered a passion for MUN, fueled by her desire to build on public speaking skills and discovering the world of global politics through an immersive, formal experience. Throughout the years, she engaged in multiple conferences, taking on both delegate and admin roles, including two Barcelona Model United Nations and last year’s VALMUN conference. MUN has played a huge role in building Alessia’s critical thinking, problem solving skills, and widening her perspective, while providing a well rounded understanding of global affairs and diplomacy. Additionally, it gave her the opportunity of visiting different cities and creating new, long-lasting friendships with like-minded peers. Apart from her passion for academics, Alessia is also an athlete, engaging in tennis training three hours daily, national and international tournaments, and representing the ASV tennis varsity team as well. The leadership abilities gained as a result of MUN implication, together with the discipline, resilience and perseverance taught by sport make Alessia a great, enthusiastic chair, as she hopes to foster an engaging and positive environment that encourages collaboration and results in a memorable experience for all the delegates.

Xinyi Gu is one of the chairs for the UNODC, you may also refer to her as Iris. She was born in Wuhan, China and moved to Thailand when she was 6 and then again to Valencia, Spain when she was 9. This is her 8th year at the American School of Valencia and she is currently in 12th grade. In 9th grade, she participated in her first MUN conference in VALMUN conference as a delegate in the disarmament committee. In 11th grade she made her first trip to BCNMUN as a delegate in ANPACA. Through MUN, Xinyi has developed her skills in public speaking, problem-solving and critical thinking, as well as socializing in general. It has also given her more discipline, self confidence and has helped her expand her knowledge on current events. MUN has always been a very fun and interesting experience as it brought a light to things she otherwise would have never thought would interest her. It also forced her to get more knowledgeable on things such as politics and topics which she otherwise refused to acknowledge or learn about. MUN has brought many new friends, memories and experiences and she looks forward to helping others enjoy this experience as well.