Marin is a Broadcast Journalist with dozens of journalistic investigations which sparkled wide public reactions in Bulgaria. He focuses on harmful practices in politics, economics, the judiciary, environmental topics, and cultural heritage conservation. Some of his TV films were followed by dismissals and resignations of mayors, deputies and state chiefs who occupied responsible posts in our country. His film ‘’Eco-racketting” uncovered the schemes in which certain conservation organizations were blackmailing businessmen from the energy sector for corruption purposes.