Jonah Park Ellsworth is 11 years old and attends the Baldwin School in Cambridge, MA. 

Jonah has been a student of Andrew Mark since the age of 5 and continues to study with him at the New England Conservatory of Music Preparatory School. Jonah is a member of the cello section of the Youth Symphony Orchestra at the NEC prep school. 

He has won first place in the 12 and under category of the 2004 New England String Ensemble concerto competition, and first place in the 12 and under category of the 2004 Brockton Symphony concerto competition and will perform the Boccherini Bb Cello Concerto with the Brockton Symphony in March of 2006 as a result of this prize.  

He won first place in the 2003 Category A (youngest category) of the Longy School of Music Preparatory School concerto competition and as a result, performed as soloist with the Longy Symphony orchestra in spring of 2003. 

Jonah often performs in a piano trio with his brother, Paris Ellsworth, a violinist, and his mother, Heng-Jin Park, a professional pianist