Nikos Zarkos was born in 1981 in Kavala, he began his classical guitar studies at the age of 8 at the Municipal Conservatory of Kavala and continued at the Municipal Conservatory of Thessaloniki with teacher Evangelos Asimakopoulos. He obtained his Diploma from the class of Stelios Moustos at the Thucydides Conservatory of Alimos.
In the period 1999-2003 he studied at the Guildhall School of Music & Drama in London with guitar teacher Robert Brightmore and baroque lute teacher David Miller, graduating with the title of Bachelor of Music.
In the period 2003-07 he continued his studies at the Music Academy of Nuremberg / Augsburg with guitar teacher Franz Halasz and baroque music teacher Eduardo Eguez. He graduated with the titles Diplommusiker (K.A.) and Meisterklassendiplom.
He has studied in seminars of the global guitar elite: Leo Brouwer, Manuel Barrueco, David Russell, Pepe Romero, Roberto Aussel, Aniello Desiderio, Joaquin Clerch, Marco Socias, Alex Garrobe, Zoran Dukic, Oscar Ghiglia, Hubert Käppel, Ricardo Gallen, Costa Kotsioli and Kazuhito Yamashita.
In March 2011, Nikos Zarkos' first discography entitled "Greek Music of the 21st Century for Guitar" was released on CD, with first presentations of works by Greek composers (Theodore Antoniou, Christina Athinodorou, Georgia Kalodiki, Nikos Harizanos, William Antoniou, Yiannis Kalantzis and Leonidas Kanaris). At the same time, he edited the edition of the work Fantasia in Mémoriam by Theodore Antoniou at Filippos Nakas publications.
Nikos Zarkos has performed as a member of the Hellenic Guitar Ensemble and collaborated with cellist Angelos Liakakis (New Greek Quartet) winning 1st prize at the 1st Veria Chamber Music Competition, simultaneously presenting a series of concerts entitled Spanish American Music. At the same time, he collaborates regularly with the cellist Asterios Pouftis (2nd leader of the KOA), presenting the program 4 Sonatas for cello & guitar.
In 2008 he presented a series of recitals entitled "Mario Castelnuovo-Tedesco" (40 years since his death) and in 2009 a recital entitled "Modernism & Classical Guitar" (works by Benjamin Britten, Luciano Berio, Sofia Gubaidulina and Nuccio D'Angelo).
In 2011 he presents the program "Women's Writing for Classical Guitar" which includes the first performance of the commissioned work Breath by the composer Lina Tonia, as well as the first performance in Greece of works by Franghiz Ali-Zadeh, Elsa Respighi, Fernande Peyrot and Jana Obrovska . In 2012 he presented the program "Soviet and Post-Soviet Music for Guitar".
Finally, he has given recitals and chamber music concerts in England, Germany and Greece.