Daniela studied organ at the Conservatory of Pardubice with professor Václav Rabas, then continued her studies at the Academy of Performing Arts in Prague with professor Jaroslav Tůma at the Prague Academy of Musical Arts and finally in Hamburg with professor Wolfgang Zerer. In 2002 she won 3rd prize and the title of Laureate at the international organ competition in Brno. Since 2006 she has been the head of keyboard instruments and a solo organist with the Prague Symphony Orchestra FOK. Daniela equally enjoys performing recitals as a soloist and is a regular guest at festivals and in concert halls throughout Europe . In 2007 Daniela made her debut concert in Gewandhaus in Leipzig; in the same year she performed a recital together with an outstanding British trumpetist Alison Balsom at the Prague Spring Festival. In 2015 she appeared as a solo organist in Janáček ́s Glagolitic Mass with the Czech Philharmonic in Musikverein Vienna conducted by Jiří Bělohlávek. She also visited New York's Carnegie Hall where she performed with the Czech Philharmonic in 2014. She returned to Carnegie Hall in 2018 performing with new chief conductor Semyon Bytchkov. In 2018 Daniela toured as a soloist with Flanders Symphony Orchestra in Belgium. Daniela embarked on a European tour as a soloist with the Czech Philharmonic in 2022 including performances at such venues as Musikverein in Vienna, Elbfilharmonie in Hamburg, Barbican center in London etc. Daniela also collaborates with the Czech radio orchestra, Prague philharmonic choir, she often performs with her sister mezzosoprano Jarmila Kosinová and together they performed in a small concert tour in Namibia, South Africa in 2004. Since childhood, Daniela has been composing music. Her compositions were broadcast on American radio station WPRB in Princeton New Jersey, Holland radio station Mona Lisa Amsterodam, several Czech radio stations and many concerts in her homeland as well as abroad. Besides being an accomplished classical musician, Daniela's music has evolved into a style closer to jazz and blues. In 2010 her first CD “MEETING POINT” was released and she was invited to several international jazz festivals.