Ole Kristian Andersen (f. 1966) er fra Nordstrand i Oslo. Startet i korps da han var 8 år på euphonium. Senere ble det musikklinje og studier ved Norges Musikkhøgskole.
Etter fire års studier på moderne trombone med prof. Ingemar Roos som lærer, arbeidet han ett år i Trondheim Symfoni-
orkester. Så gikk turen til Haag i Nederland, der han studerte barokktrombone på det Kongelige Konservatorium under Charles Toet. I 1995 avla Ole-Kristian sin diplomeksamen "cum laude".
Ole Kristian ble med i Concerto Palatino i 1993, og har turnert med dette ensemblet over hele Europa og i USA.
Siden 1999 har han arbeidet i Helsingborg Symfoniorkester som alternerende solotrombonist.

Ole Kristian Andersen was born 1966 in Oslo, Norway. His first musical experience was playing the euphonium in his school band at the age of 8. After a while he started playing the trombone, which took him to Music College and later to the

Norwegian State Academy of Music, Oslo. After 4 years of modern trombone studies under Prof. Ingemar Roos and the obtaining of a lower diploma, he worked for a year in the Trondheim Symphony Orchestra before beginning postgraduate studies in baroque trombone at the the Royal Conservatory, Hague under Charles Toet. There he earned his higher diploma cum laude in 1995.
In 1993 Ole Kristian joined Concerto Palatino, and has toured Europe and USA with this ensemble.
Since 1999 he has been working as co-principal in Helsingborg Symphony Orchestra, Sweden.