Clarissa sang the role of Olga in the Philippine premier of Tchaikovsky's Eugene Onegin at the Cultural Center of the Philippines, the first major project of the University of Santo Tomas' initiative to celebrate their 400th Anniversary in 2011. She also performed in Manila with the UST Symphony Orchestra, singing the role of Cherubino in the concert version of The Marriage of Figaro, and with the Philippine Philharmonic Orchestra’s 2005 season finale, as the Alto soloist in Sir Michael Tippett’s A Child of Our Time, under the baton of Maestro Eugene Frederick Castillo.
Clarissa's most noted accomplishment was the release of her debut album Cradle Songs, a collection of art songs and lullabies from all over the world, sung in their original languages. Cradle Songs won Best Lullaby Album, and Best Classical Album at the 2004 Children's Music Awards, chosen by over 70 schools nationwide.
Clarissa is an alumni of the University of Santo Thomas Conservatory of Music, and a graduate of The Juilliard School, with a Master of Music Degree in Voice Performance. She toured the United States and Canada, once performing Gian Carlo Menotti's Amahl and the Night Visitors, and the other as Lady Thiang in the Broadway National Touring Company of The King & I, with Haley Mills, Faith Prince, Marie Osmond, & Maureen McGovern.
Other roles performed include Pitti-Sing in The Mikado with Opera North, Rosina in The Barber of Seville and Romeo in I Capuletti ed I Montecchi. She received a grant to attend the University of California Santa Barbara – Vocal Institute, where she performed in a number of song recitals, and a master class conducted by Mignon Dunn.
She received a Fellowship grant to attend the Aspen Music Festival in Colorado, and performed in a variety of public concerts, one of which was a world premier of British Composer Michael Torke's Better a Dish of Herbs. Other performances include The Brilliance of Brahms, an all Brahms concert with renowned soprano Reneé Flemming as the featured artist.
Clarissa has appeared in both live and media broadcasts. She is the recipient of major awards such as the University of Santo Thomas Scholarship Grant, the Young Artist Foundation Scholarship Award, and the Anna Case McKay Scholarship Grant from the Juilliard School. She is also a winner of the New York Vocal Artists Competition held at Carnegie Hall, and a two-time prize winner of the National Music Competition for Young Artists in the Philippines.
Clarissa is the Executive Director of Let's Shout Out!, Inc., a newly formed non-profit arts organisation whose primary goal is to bring Opera appreciation to communities across the United States and Asia. Through workshops and season performances, Let's Shout Out! achieves its mission of restoring arts awareness in underserved communities, reflecting the highest standards of diversity and excellence.
Upcoming performances include the role of Judith in Bartok's Bluebeard's Castle, at The Longy School of Music, Cambridge, MA, a New York premier of Serenade and Elegy, Merkin Hall, New York, and as a featured artist in the Cultural Center of the Philippines 2007 Filipino Artist Series.