Emma Jezek was born in Adelaide in 1971, and started violin lessons with Alita Larsens at the age of eight. She studied at the Elder Conservatorium with Beryl Kimber and Ronald Woodcock, graduating with First Class Honours in 1992. With the help of the Ernest Llewellyn Memorial Grant and the S.A Government Arts Department, she studied at Indiana University, Bloomington with Professor Franco Gulli and at State University of New York, Purchase with Professor Isaac Malkin. She also attended Meadowmount Summer String School.
An active chamber musician and soloist, she has performed at several music festivals including Camden Haven and Kowmung, and at the Australian National Museum. She toured Queensland and the Northern Territory with guitarist Karin Schaupp, cellist Trish O'Brien and the Piazzolla Project in 2006, and has also performed with the Sydney Soloists, Ensemble Offspring, and in concerts for ABC Classic FM. She has collaborated with musicians including Dene Olding, Michael Dauth, Cho Liang Lin, Kees Boersma and Roger Benedict, and with colleagues from the Sydney Conservatorium including Gerard Willems and Phillip Shovk.
In 1993, Emma Jezek won the Adelaide Chamber Orchestra Concerto Competition and was a string finalist in the ABC Young Performers Awards. Her concerto performances have included Bruch Violin Concerto No.1 with the Adelaide Symphony Orchestra and Prokofiev's Violin Concerto No.1 with the Elder Conservatorium Orchestra, and she was one of the soloists in Malcolm Arnold's Concerto for Two Violins, also with the ASO.
Emma Jezek has twice received the Sydney Symphony Friends Scholarship, enabling her to study with Boris Belkin at the Accademia Musicale Chigiana (Siena) in 2000, and with David Takeno and baroque violinist Lucy van Dael in 2004.
Emma Jezek teaches at the Sydney Conservatorium and tutors for the Australian Youth Orchestra, Sydney Youth Orchestra, and the Riverina Summer School for Strings.
Prior to her appointment as Assistant Principal Second Violin of the Sydney Symphony Orchestra in 1997, she played with the Melbourne Symphony Orchestra. From July 2004 to July 2006 she was Acting Principal Second Violin of the Sydney Symphony Orchestra.