Kenneth Best was born in the United States of America, where he attended Indiana University from 1988 to 1991, under the guidance of Myron Bloom, a solo horn with the Cleveland Orchestra, and obtained a Bachelor degree of Music. During his studies he had the opportunity to work with several orchestras such as the Indianapolis Chamber Orchestra, the Fort Wayne Philharmonic and the Owensboro Symphony. He has also played with the Tanglewood Festival Youth Orchestra (summer residence of the Boston Symphony Orchestra), where he worked with renowned artists including Leonard Bernstein, Seiji Ozawa and Yo-Yo Ma. He came to Portugal in 1992, after an invitation to take up the position of 1st horn for the Nova Filarmonia Portuguesa. In the same year, he joined the Gulbenkian Orchestra as 1st Soloist.

In the field of chamber music, he has performed with several ensembles in Portugal and abroad, with particular emphasis on the Ensemble Instrumental de Lausanne (Switzerland), the Ensemble Mediterrane (Germany), the Moscow Piano Quartet and the Decateto de Metais de Lisboa, as well as appearances in the Community Concert Series (USA) and in the Gulbenkian Orchestra Soloists cycle. He has also participated in early music projects with period instruments, in collaboration with the ensembles Segréis de Lisboa, Músicos do Tejo, Divino Sospiro and Bloomington Baroque Orchestra.