She furthered her studies at the Royal College of Music where she received the Artist Diploma.

While in London she performed with several European Orchestras including the BBC Philharmonic, Manchester Camerata, and Söd-Bayerische Philharmonie, Germany. She moved to Los Angeles to study with Gary Gray at UCLA where she obtained an MFA in Clarinet Performance and then began studies at USC on a MDA with Yehuda Gilad and Michele Zukovsky. She was a finalist in the Boosey and Hawkes Clarinet competition in Chicago and won a position with the Sarasota Opera Festival Orchestra for 1996 and 1997.

Since moving to LA, Helen freelances with the Los Angeles Philharmonic, Los Angeles Chamber Orchestra, Los Angles Master Chorale, Mozart Camerata, Santa Barbara Symphony, Redlands Symphony, Inland Empire Symphony, California Philharmonic and Long Beach Symphony. She recently recorded with the Royal Philharmonic Orchestra in London where she performed the Tone Poem for Clarinet and Orchestra by Charles Fernandez.

Ms. Goode-Castro is currently on the faculty at California State University, Long Beach and California State University, Los Angeles. She also teaches at the Los Angeles county High School for the Arts.