Born in Bergen in the Netherlands.

After Graduating at the Royal Conservatory in the Hague at a very young age, Judith Mok won French and Dutch State Grants to study in Vienna under Christa Ludwig and her mother Eugenia. In Paris she studied French repertoire with Pierre Bernac and Noemie Perugia. She participated in masterclasses for contemporary music by Cathy Berberian, John Cage, Karl Heinz Stockhausen and Dorothy Dorrow. She was also chosen for masterclasses by Elisabeth Schwarzkopf. Prizes followed at the international vocalist competitions in Den Bosch and Barcelona.

Her lieder, oratorio and opera repertoire led to worldwide  appearances includingnumerous festivals such as Salzburg, Edinburgh, Paris, South Bank London and the Holland Festival. She has worked in North and South America, India and Africa and in almost every country in Europe, having sung with orchestras such as London Sinfonietta, the Netherlands Philharmonic, de Nederlands Blazers Ensemble, the Mozart Players, the Freiburgerbarock and Amsterdam Baroque, and the Vienna Symphony in various concert halls, namely the Concertgebouw Amsterdam, Gewandhaus Leipzig, Queen Elisabeth Hall London, Theatre du Chatelet and the Bastille Theatre in Paris and the Teatro Colon Buenos Aires.

She has performed in operas by Mozart, Philidor, Handel, Puccini, Richard Strauss and Wagner, Boudewijn Tarenskeen, Luigi NoNo etc with leading conductors. Among them: Edo de Waart, Ed Spanjaard, Hartmut Haennchen, M.Soustrot,  Roy Goodman, Nikolaus Harnoncourt, JC Malgoir .

Having dedicated part of her career to contemporary music the composers  Louis Andriessen, Gerardo Gandini, Bob Zimmerman and Jeff Hamburg have written works for her which have been recorded on CD. She was also chosen by the Oscar-winning Chinese composer Tan Dun to perform his works in several countries. She has worked with many contemporary music ensembles including the Nieuw Ensemble Amsterdam and l'Ensemble Contrechamps in Geneve.  

Her love for chamber music led to her singing duos with the mezzo-soprano Susanna Moncayo and the pianist Fernando Perez. Together they have toured in Europe and the Americas. They have recorded two CDs of this unique repertoire. Their last cd was awarded a 'best cd of the month' in Europe by the magazine 'Luister'. They were also invited to give a gala concert in the Concertgebouw in Amsterdam as a wedding present for the Dutch crown prince now King HRH Willem Alexander and his wife HRH Maxima. Their last tour combined with the Trio Argentino has been hailed as a major musical event.

Judith was awarded a knighthood by HRH Queen Beatrix for her work in the arts.

In recent years she has been based in Ireland, where her vocal skills have been widely appreciated by press and publicalike. With a versatile group of solo musicians she has given recitals with Sephardic Music . Appearances in Paris, Dublin and Istanbul Cultural Capital together with santour virtuoso Javid Afsari Radhave been recorded   by German NDR, Turkish and Irish television .(YouTube).

Recently she founded an ensemble’ Los Queridos’ with Sephardic music at its core, with Iranian and French musiciansbased in Dublin and Paris.

In the context of her Irish residence Judith Mok developed her musical and acting skills further with ‘Molly says No!’ a one woman show , with classical music songs and written by poet/ screenwriter Michael O’Loughlinbased on the novel Ulysses by James Joyce.

She traveled widely, from New Delhi to Paris, with this show and has been touring the USA, starting at Lincoln Center New York . The show has been highly praised and continues to travel.

Judith Mok has worked in recital with pianists Jeff Cohen, Reinild Mees , Fernando Perez, Martha Argerich, Dearbhla Collins ,Paul Hamburger and many other outstanding accompanists.

Judith Mok has made many television and radio recordings, including BBC, NDR, NOS, FRANCE MUSIQUE, FR3, RTÉ.

She has sung and acted in several feature films with actors Eliot Gould and Jacqueline Bisset, including the award-winning GoodnightVienna!