Graduated from the St. Petersburg Rimsky-Korsakov State Conservatory (1987) having postgraduate studies there under Full Prof. N. I. Degtyareva. Ph. D. in Art Studies (1991), Associate Professor (2006). Since 1992 she has been teaching at the Western Music History Department of the St. Petersburg Conservatory, from 2009 to the present — as a Head of this department. In 2012–2016 she was Dean of the Musicological Faculty, in 2016–2019 — Vice-Rector for Research at the St. Petersburg Conservatory. She is an author of a monograph «Stravinsky’s Neoclassical Concertos» (2008) and more than 130 scientific articles in the leading Russian and foreign academic journals and collections (published by DSCH, Brepols, Sorbonne Université, Indiana University Press, Cambridge University Press, etc.), including Acta musicologica, a journal of the International Musicological Society (IMS). A member of IMS, N. A. Braginskaya is a co-chair of the IMS Study Group «Stravinsky: between East and West» and Head of the IMS Regional Association for Eastern Slavic Countries. Scholarship student of the Paul Sacher Foundation (2011). She played a key role in the history of the sensational find of the «Funeral Song», op. 5 by Igor Stravinsky: carried out the first academic presentation of the work (2015) and scientific leadership of reconstructing the score, which provided the world premiere of the piece (2016) as well as its first publication (Boosey and Hawkes, 2017, with a preface and textological commentaries by N. A. Braginskaya).