Pedro-Octavio Diaz was born in Mexico City in 1982. Holder of a Master’s degree in History, he furthered his education by completing a professional program in Opera Production at the Center for Apprenticeship in Performing Arts (C.F.A.) of the Opéra National de Lorraine. He started as assistant artistic director for the world premiere revival of Cole Porter’s La Revue des Ambassadeurs in Paris (2012). He founded L’Atelier Management, a dedicated agency for artistic development and management. Primarily focused on international cooperation, he successfully established partnerships and international PR management for the Innsbrucker Festwochen der Alten Musik (Austria) and the Potsdam Musikfestspiele. From 2018 to 2022, he served as resident dramaturg for the opera company Opera Fuoco, while concurrently advising other artists and ensembles on concerts and recordings. In 2021, he founded the ImmersionZ Festival in the village of Grez-sur-Loing, revitalizing the local artistic and cultural heritage.  Working as a freelance artistic advisor and dramaturg since 2022, Pedro-Octavio Diaz continues to collaborate with ensembles, institutions, and soloists to design programs and recordings. In 2025, Pedro-Octavio Diaz began a close collaboration with Martin Wåhlberg on the programming, casting, and strategic direction of the Trondheim Barokk Festival and Orkester Nord. He is currently working on several recital projects and close collaboration as artistic consultant and casting advisor to institutions like MUSAG (Granada’s Sacred Music Festival) and since 2026 with Sono Artists in Vienna.

Vienna-based opera entrepreneur Samantha Farber grew up in Paris, France and Westport CT, graduating with a BA in French and Italian from New York University. Her first steps working in the classical music world were for CAMI video in NY and doing PR for opera singers in Vienna.  Sono Artists was founded in 2007 and has since helped launch careers of dozens of singers and built an extensive network of casting directors in the classical music world.  Samantha is also on many competition juries including the International Haydn Competition for Classical Lied and Aria, the Otto Edelmann Singing Competition, and in the past was on juries including the International Singing Competiton for Baroque Opera «Pietro Antonio Cesti» in Innsbruck, The Opera Crown Competition in Tblisi, The Vishnevskaya Competition in Moscow, and the Hilde Zadek Competition in Vienna.  Furthermore, she has assisted in putting together jury members.  She also has given seminars in Artist Management at the University of Music and the Performing Arts Vienna.  

With his background as a musician, sound artist, and researcher, Amar Priganica brings a distinct sensitivity for musical quality and artistic integrity to the team at Sono Artists. Following his studies in Vienna – including at the Academy of Fine Arts – and international experience in composition, organ, and electroacoustic music, he supports the agency’s singers as Artist Associate Manager in strategic positioning, project development, and international booking. Based in Vienna, Amar is also involved in several interdisciplinary sound projects focusing on sacred music and experimental formats.

After studying music in Lübeck and cultural management at the Hamburg University of Music, Daniela Spering worked for ten years in a managerial position at Konzertdirektion Schmid in Hannover and shaped numerous musical careers. In 2008 she founded her own company, ORFEO artist management. After more than 25 years in management, she decided to set up her own business as a career and performance coach in order to devote herself fully to the mental health and top performance of singers. She regularly gives audition coaching sessions at music universities and is a jury member in various singing competitions.