Zhelyazko is an independent music professional based in Sofia, working in artist development and concert organization. He is part of the team at Zvuk and Kartina / BubbleGum Records, an independent music label. He also collaborates with Samodiva Society, an NGO supporting independent artists, focusing on artist development, project coordination, campaign planning and daily operations. He has extensive experience in high-pressure festival environments, including venue and stage management, backstage coordination, task delegation, and on-site problem-solving to ensure teams remain aligned and programs run smoothly.