Born in Athens, Greece, Nikos Chatzitsakos has been engaged with music from an early age. After graduating from the "Music School of Ilion", he entered the "National & Kapodistrian University of Athens" where he studied Musicology.
In 2016, after auditioning for "Berklee College of Music", he received a full tuition scholarship. In the fall of 2016, Nikos began studying at Berklee as a dual major "Performance and Jazz Composition" undergraduate student. There, he has studied with Linda May Oh, Ron Mahdi, John Lockwood, Susan Hagen, Terence Blanchard, Ralph Peterson, Billy Kilson, Darren Barrett, Neal Smith, Dave Santoro, Robert Rodriguez, Ayn Inserto, and Bob Pilkington.
Nikos has performed alongside distinguished musicians such as Ralph Peterson, Frank Lacy, Tony Romano, Lenny Sendersky, Sarah Reich, George Kontrafouris, Lefteris Kordis, Charis Ioannou, Takis Paterelis. Some of the venues and festivals he performed are: Dizzy's Club Coca Colla at Lincoln Center, DC Jazz Festival, Scullers Jazz Club, The Berklee Performance Center (BPC), The Red Room @ Cafe 939, David Friend Recital Hall, Wally's Jazz Cafe, SNFCC, Onassis Cultural Center, Café at Nomismatiko museum, "Vamos Jazz in July" Festival, Kerameio, Afrikana Jazz Bar.
In 2018 he recorded with Ralph Peterson’s GenNext Big Band featuring Frank Lacy the album entitled "Listen Up". The band was voted 2nd in the poll for the rising star big band column of Downbeat Magazine. He is also the leader of the Nikos Chatzitsakos Tiny Big Band & Quartet for which he arranges and composes music. In 2019 he recorded the debut album with his "Tiny Big Band" that will be released in 2020, and the debut album of Art Baden.
Nikos’s arrangement won the 2020 Downbeat Student Music Award, his "Tiny Big Band" was one of the winners (2nd place) of the 2019 Seven Virtual Jazz Club Competition and one of the top 5 bands of the 2020 Made in New York Competition. Nikos was also the recipient of the 2020 Panhellenic Scholarship.