Clarissa graduated with Distinction in Voice (Bachelor of Music) from The Sydney Conservatorium of Music. She began her journey towards an operatic career when, at age 11, she became a part of the Opera Australia’s Children’s Chorus from 1993 to 1996, performing in several seasons of Cavalleria ​Rusticana/I Pagliacci, Turandot and La Boheme.

Clarissa won the Dame Joan Sutherland Encouragement Award in 1998 and 2001. In 2006 she was recognised as an Outstanding Artist in the McDonald’s Performing Arts Challenge, and won the Pollard People’s Choice Award for Performance Excellence. In 2010, Clarissa was selected to be part of the Young Artist Program for Pacific Opera.

In 2011, Clarissa won the prestigious Opera Foundation Australia’s Lady Fairfax New York Award, to study with teachers and coaches from The Metropolitan Opera and The Juilliard in New York; further prizes include The Australian Singing Competition’s Opera Award and The Royal Overseas League Bursary Award.

A versatile performer, Clarissa performs across many genres, in which she has appeared as: The Sorceress and First Witch in Dido and Aeneas; Quivera in The Indian Queen and Gianetta in The Gondoliers. Her Music Theatre roles include Cosette in Les Miserables, Kate/Lilli Vanessi in Kiss Me Kate, Jenny Lind in Barnum, Reno Sweeney in Anything Goes, and Babe Williams in The Pajama Game.

Clarissa tours both Nationally and Internationally with The Seven Sopranos, has toured with operatic group ENCORE throughout Japan, and appears as guest artist with SMA Productions performances of Opera by Disguise, Wish Upon A Star, and Entertainment by Design. She is regularly engaged to perform her own solo, self titled operatic show with an 8 piece orchestra, as well as overseeing and performing in her group FUSION.

Clarissa is regularly engaged by Opera Australia’s Regional Touring Company. Roles include: Gretel in Hansel and Gretel, Clorinda and Cinderella in Cenerentola; Clown , Lady Sue and Music Hall Singer in Sid the Serpent; Pamina, Queen of the Night, First Lady and Papagena in The Magic Flute and Rosina in The Barber of Seville.

In concert, Clarissa appeared with Willoughby Symphony Orchestra in their Mozart Requiem, conducted by Paul Fitzsimon and undertook a National tour of China, performing in a show of Musical Theatre favourites, such as Phantom of the Opera, The Sound of Music, The King and I and West Side Story. In 2015, Clarissa performed the role of Micaëla in Opera New England's Carmen and Papagena for Opera Australia's national tour The Magic Flute, conducted by Simon Kenway and Paul Fitzsimon. In 2016, Clarissa performed as the principal Soprano alongside Teddy Tahu-Rhodes and James Egglestone in Opera in the Aboretum with Pearl Beach Opera, conducted by Patrick Brennan.

Clarissa is the soprano operatic role for Princess Cruises mainstage production of BRAVO as a regular guest entertainer, as well as performing her new operatic duo show called Le Stelle, with baritone Javier Vilarino. Clarissa regularly shares the stage with Australia's most loved cross over Tenor, SONY artist and Australia's got talent winner, Mark Vincent in his "Love Will Lead the Way" tour, and his Christmas Concerts as a special guest artist.

She finished 2016 performing the role of First Lady in The Australian International Opera's production of Die Zauberflöte, conducted by Patrick Miller, which toured throughout China.

Recordings include: The Seven Sopranos new album "Popcorn"- Songs of Stage and Screen in which Clarissa performs in solo and ensemble pieces. The Seven Sopranos Creative Director, Tarita Botsman, had also created a video clip with all seven girls to one of the songs " Keep young and beautiful " which has had over 1 million views so far. Clarissa was also a part of the their first album that was self titled "The VII Sopranos" that was released by the ABC in 2013.

Upcoming performances include: appearing as the Soprano operatic artist for Princess Cruises in their main stage production show, BRAVO, as well as in her duo operatic show Le Stelle. She performs Frasquita in Carmen, (cover Micaëla ) for the Australian International Opera Company, and in November, she visits London as a recipient of the Royal Overseas League Bursary Award.