Gerald Marko owns Jinglebreadman Productions, a music publisher and production company. He is a Master Teacher and Course Instructor of ESTILL International and holds a Diploma of Performing Arts and a Diploma in Philology and Journalism. He played lead roles in European musicals such as Cats (Tugger) and Saturday Night Fever (Tony Manero) and performed continuously with original and cover bands in Austria, Germany, Denmark and Australia. He plays guitar, bass, drums and piano, is a certified Rei-Ki practitioner, a published recording artist and teaches voice and songwriting.