AdE Team


Founder & Artistic Director AdE, Opera singer

Maria has been described as a real mezzo-soprano and praised by critics for her versatility, wide vocal range and unique voice timbre. Her track record working as a performing artist from the age of fifteen has qualified her to understand your needs and answer your questions.

Maria has been pursuing a successful career as an Opera and concert singer and performed at top venues in Europe and the US. She graduated with the highest qualification degree in Classical Singing Meisterklasse Gesang from the University of Music & Performing Arts. She had previously completed studies in Communication and Mass Media at the National University of Athens and wrote her thesis on administration of cultural organizations.

During her career as a freelance Opera singer Maria has acted as her own agent on several occasions. She has founded and managed a Chamber Music ensemble in Germany. Among others she has also acted as unofficial agent for artist colleagues who sought her advice. 

In addition to her singing career (see: www.mariazoi.info) Maria enjoys helping singers reach their potential and approximate artistic perfection. Her mission is to empower them with confidence and valuable insight to propel their careers.


Associate AdE, Conductor - Pianist

Giannis Giannopoulos is a London-based conductor/pianist. He holds a piano performance degree from the Royal Academy of Music in London and a Masters degree in Orchestral Conducting from the Royal Birmingham Conservatoire.


He has worked as an assistant conductor and repetitor to Mos Fraser Goulding, Michael Seal (RBC), Razvan Luculescu (Clyde Opera), Philip Headlam (Berlin Italian Opera Group), Andreas Tselikas (The Medium Project), Philip Hesketh (Opera de Bauge) and Kelly Lovelady (Gothic Opera).

Giannis has worked as musical director in L’inganno felice/Rossini (Greek National Opera/Athens), Rigoletto/Verdi (Berlin Opera Group/Berlin), Les Contes d’Hoffmann/Offenbach (Passaggio Oper group/Berlin), Die Fledermaus/Strauss (Opera Diaspora/London), La Boheme/Puccini (Passaggio Oper group/Berlin), Cosi fan tutte/Mozart (Opera Kipling/Fringe Festival) and Il Pimpinone /Teleman (Corpus Animae/ Aegina international Music Festival).


Through his Corpus Animae group, he has been holding Opera Repertoire workshops in London, specialising in the Mozart/Da Ponte and bel canto operas, while working as a repetitor/coach in Morley College.


AdE Marketing & Communications Assistant

Katerina Stamou is a professional in the Arts & Media sector. She holds a BA in Journalism & Mass Media from the Aristotle University of Thessaloniki and an MA in International Heritage Management from the University of Birmingham. 


She recently worked as a journalist and heritage assistant in galleries, museums, newspapers and startups in Greece, Spain and the UK. She focuses on how digital marketing and communications can assist various platforms of cultural initiatives.

She recently co-founded the online platform Europeans at Home, with the goal of spreading positivity and inspiration during the pandemic lockdown. As a freelancer columnist she writes about new digital ideas and current challenges of everyday life. She has also been assisting cultural organizations realise their digital vision.  


In her younger years she studied piano and has a deep admiration for the Performing Arts - especially Classical Music and Opera. 

As the Marketing & Communications assistant of Atelier D’ Excellence, Katerina is responsible for fostering communication with partners and creation of campaigns that bring people closer to the mission of the organization.  

Our Partners


DictionBuddy's mission is to make the songs of the world more accessible to everyone by giving singers easier access to essential lyric diction training resources. Currently, our app (available on iOS & Android devices) covers opera, oratorio, and art songs in 9 different languages including Czech, Russian, Polish, Spanish, French, German, Italian, English, and Latin.


The library of audio tracks contains over 650 tracks read by native speakers in each respective language  read at two speeds. Fast(Normal) and then slow. This helps make the learning process thorough and less intimidating. We also, include the texts, as well as transliterations, translations, and IPA(which are in progress). You can gain access to our library via a monthly or annual subscription.

Diction Buddy is a Prize Sponsor of the "Prix Atelier d'Excellence".

Learn more about Diction Buddy

Our Αffiliates


The mission of Resonance is to provide a platform that connects, protects, and enriches every individual and organization who works in the creative economy.

Resonance wishes to be the best place for professionals, students, and employers to interact, provide services, learn new skills, and shape the creative landscape of the future.

Resonance is a Prize Sponsor of the "Prix Atelier d'Excellence".

Learn more about Resonance

​360° of Opera

360° of Opera is a social media platform & community founded in 2016 by mezzo-soprano Eugenia Forteza. Its mission is to bring to light all aspects of the art form, especially those that get lost in the background.

With a fan base of over 25K followers across continents, 360° of Opera has grown beyond the founder's wildest dreams and continues to evolve, with regular guest contributors, exciting collaborations, live interviews and new partnerships. This is just the beginning of what strives to be a positive contribution to innovation in opera, community outreach, journalism & music education. 

360 of Opera is the Press Sponsor of the "Prix Atelier d'Excellence"