Leon Koudelak is a prize winner of the guitar competition “Fundation Jacinto e Inocencio Guerrero” in Madrid and also received for his artistic performances the Appreciation Price from the Austrian Federal Ministry for science and research. He study with the most famous guitarist and teacher such Karl Scheit at the Vienna Music University, at the Zurich University of the Arts with Konrad Ragossnig and with Julian Bream in Liechtenstein. He obtained the Bachelor Degree, Master Degree (Mag.Art.) and the Master of Arts Education Degree.
As artist he performed in Europe, South America and Asia in countries such as Germany, Great Britain, Spain, Portugal, Czech republic and Slovak Republic, Austria, Switzerland, Italy, Belgium, the Netherlands, Hungary, France, Greece, Liechtenstein, Cuba, Mexico, Japan, Nepal, Malaysia, Philippines, South Korea, Indonesia and Thailand. He did the premieres of works by composers such as Roman Haubenstock-Ramati, Karlheinz Stockhausen and Michael Buchrainer. In 2002 he led the premiere of the guitar concert “Evasion 2002 – “Eschner - guitar concert” by Michael Buchrainer with the “Symphony orchestra Liechtenstein” at the Festival of Liechtenstein LiGiTa.

With Tyrolis Classic he released so far five CDs: 1989 “Guitar Music from Spain, Mexico and Brazil”, 1992 “Modern Trend of Factories for Guitar”, 1994 “Joaquin Rodrigo – guitar music”, 1997 “Pavana Triste” as well as 2002 the last CD, “Exotic Fruits” which became the CD of the year by the “French Technical Periodical”.
2011 the DVD called “ Leon Koudelak live in Seoul” was released by Tyrolis Music.

Leon Koudelak is co-founder of the Liechtenstein Guitar days "LiGiTa", there he serves as artistic director. Today one of the most important music events in Europe. 2001 he found together with Woratep Rattana-umpawan the Asia International Guitar Festival "AIGF" in Bangkok, the largest and most important festivals of the guitar in Asia. Since 2005 Leon Koudelak lives in Bangkok and teaches at the Mahidol and Silpakorn University so as at the Thailand Guitar Society where he holds the position as artistic director.