Agnieszka Rehlis graduated from the Academy of Music in Wroclaw in the class of Barbara Ewa Werner.
From 1996 to 2007 she was a soloist at the Wrocław Opera, where she sang many significant opera roles. She appeared, among others, as Laura in the premiere of A. Ponchielli's Gioconda realized at the Odra in Wroclaw (TVP, 2003) and as Aza in Paderewski's Manru (DUX, Fryderyk award in the category: the most outstanding recording of Polish music, 2004).
She has been working as an independent artist since 2007. For many years she has specialized in concert activity, with a repertoire of more than 80 items of this type, ranging from works by Bach to contemporary composers. She has given concerts in philharmonic halls in Poland and Europe (Germany, Holland, France, Italy, Ukraine, Lithuania, Austria, Latvia, Russia, Slovenia, Spain, Switzerland). She has participated in many international festivals, including: Wratislavia Cantans, Chopin Festival in Duszniki-Zdrój, Probaltica Festival in Torun, Usedomer Musikfestival in Peenemünde, Festival Pablo Casals in Prades, Casals Festival in Puerto Rico, sacred music festivals in Marseille and Nuremberg, George Enescu Festival (Bucharest), Rheingau Musik Festival, Schleswig-Holstein Musik Festival, Kontrasty in Lviv, Prague Spring, Bregenzer Festspiele, Beijing Music Festival, Café Budapest Contemporary Arts Festival or Klarafestival (Brussels).
She has performed with: National Philharmonic Orchestra, NOSPR, Sinfonia Varsovia, NDR Sinfonieorchester Hamburg / Elbphilharmonie, China Philharmonic Orchestra, Orquesta Sinfónica Simón Bolívar, Orchestre Philharmonique du Luxembourg, BBC Symphony Orchestra, Israel Symphony Orchestra Rishon LeZion, London Symphony Orchestra, Israel Camerata under the baton of many distinguished conductors, among which Krzysztof Penderecki, with whom she worked regularly from 1999-2016.
She appeared as Hannah in the world premiere of M. Weinberg's The Passenger, directed by D. Pountney in Bregenz, as well as at the Houston Grand Opera, Lincoln Center Festival, Lyric Opera of Chicago and Florida Grand Opera. In the lead role of Lisa in the same opera, Agnieszka Rehlis made her highly successful debut at the Grand Theater - National Opera (TW-ON). At TW-ON, she has also appeared in many premiere productions as Maffio Orsini in G. Lucrezia Borgia. Donizetti, Hagar in Knapik's Moby Dick, Marta in P. Tchaikovsky's Iolanta, or Fenena in G. Nabucco. Verdi.
In 2016, she sang the part of Amneris in Aida by G. Verdi at the Estonian National Opera in Tallinn. For many years, the artist was mainly associated with contemporary music not of her own choosing, but in 2017 (the part of Adalgisa in V. Bellini's Norma alongside Edita Gruberova at TW-ON) there was a significant turnaround and development of her career towards opera music on world stages, resulting in many debuts.
She appeared in S. Prokofiev's The Fiery Angel at Opernhaus Zürich, Scottish Opera, Festival d'Aix-en-Provence and the Polish National Opera. She was successful as Azucena (Il tovatore by G. Verdi) at the DomStufen-Festspiele in Erfurt, at the Konzert Theater Bern, and most recently at the Teatro de la Maestranza in Seville. She was Amneris and Carmen at the Aalto-Musiktheater Essen and the Narodni Divadlo in Prague, Anna in Berlioz's The Trojans at the Semperoper Dresden and Fenena at the Bayerische Staatsoper in Munich, Chiwria in M. Mussorgsky's The Fair at Sorochyntsi at the Komische Oper Berlin, and Waltraute in R. Wagner's Götterdämmerung at the Teatro Campoamor (Oviedo).
On 15 October 2021 the Minister of Culture, National Heritage and Sports, awarded the artist the Silver Gloria Artis Medal for Services to Culture.
In 2021 she enjoyed great success in the role of Azucena in Il trovatore by G. Verdi at the Zürich Opernhaus, alongside Piotr Beczała. 2022 proved to be a year of glorious debuts at Teatro di San Carlo, Teatro Real, Royal Opera House, La Scala, Fondazione Arena di Verona, Savonlinna Opera Festival 2022, among others, while 2023 only confirmed the earlier successes by bringing more at such venues as the Dutch National Opera in Amsterdam, Sydney Opera House, Royal Opera House, Théâtre du Capitole in Toulouse. The year 2024 brings further debuts at such venues as Osterfestspiele Salzburg, Palau de les Arts Reina Sofia in Valencia, Oper Frankfurt, Arena di Verona, Dubai Opera and Royal Opera House Muscat.
The artist has many more debuts and returns to opera stages ahead. She is scheduled to perform at such venues as, Staatsoper Berlin, Maggio Musicale Fiorentino Theatre, The Kennedy Center Washington, Opere de Dijon, Tsinandali Festival, Washington National Opeta, or return to such great venues as, among others, Royal Opera House, Opernhaus Zurich, Arena di Verona, Theatre Aix-en-Provence, and many others.