Daniela Kosinová was born on 8th of April 1977 in Hradec Králové. From the age of six she learned piano at the Primary music school in Chrudim and when she was twelve she started private organ lessons with Karel Žídek - organist and composer living in Chrudim.

She graduated at the Conservatory of Pardubice where she studied organ with professor Václav Rabas and in 2004 she finished her organ studies at the music faculty of Academy of Performing Arts in Prague under professor Jaroslav Tůma. In 2001/2002 she received a scholarship and studied organ with professor Wolfgang Zerer at the Academy of Performing Arts in Hamburg. In 2002 she won the 3rd prize and the title of Laureate at the international organ competition in Brno. She actively took part in the organ masterclasses of Jon Laukvik, Lorenzo Ghielmi and Bernard Foccrouell.

She gave concerts in Germany, Austria, Spain and Russia and at the international music festivals in Netherlands and England. In 2003, she represented Czech Republic on a concert of new EU members in Madrid. In February 2007, she did her debut solo recital in Gewandhaus in Leipzig. In May 2007, she has performed a recital at the Prague Spring Festival together with a british trumpetist Alison Balsom.

She is now head of keyboard instruments of the Prague Symphony Orchestra FOK where she also appears as soloist: Janáček Glagolitic Mass in the festival Merseburger Orgeltage (Germany) and in the music festival in Rimini (Italy), Christmas Cantata by Honegger in concert series of FOK. She cooperates with various orchestras and ensembles - the Czech Radio Symphony Orchestra, Herold String Quartet etc. and with prominent soloists such as tenor Peter Dvorský, soprano Zdena Kloubová and the actor and reciter Jan Potměšil. She works a great deal with her sister - mezzosoprano Jarmila Kosinová, and together they made a concert tour in Namibia in Southern Africa.

Since her childhood she composes as well. Her compositions were broadcast on Radio WPRB Princeton in New Jersey, on Radio Mona Lisa in Amsterdam, on Czech Radio and have been performed in many concerts at home as well as abroad. She is a member of the Kaprálová Society in Toronto. Currently she composes and sings music in a style close to jazz and jazzpop.

Since February 2003 she has also been teaching piano in a cultural center for mentally affected people in Prague.