After graduating from Tokyo University of Arts, Rika Seko began her professional career in Bogota, Colombia in 1986, first as guest Concertmaster of the Colombia Symphony, then as Assistant Concertmaster in the Bogota Philharmonic Orchestra. During that time, she performed over 20 different concertos, from Baroque to Contemporary Repertoire, and gave numerous recitals in Latin America.

Since moving to Chicago in 1994 Rika has appeared with many Chicago-area orchestras including Chicago Philharmonic, Lyric Opera of Chicago and Camerata Chicago. As soloist she has performed with Peninsula Music Festival Orchestra (WI) and Elmhurst Symphony Orchestra (IL). She gave the Colombian premier performance of Serenade by Bernstein in 2006.

Currently she is Concertmaster at Elmhurst Symphony and a member of Grant Park Music Festival Symphony, Music of the Baroque, Fulcrum Point New Music Project and Associate Concert Master of Camerata Chicago.