Kodama Haruka is a member of HKT48's Team H and AKB48's Team K.
- Joined HKT48 as a Kenkyuusei on July, 2011
- Promoted to Team H on March 4, 2012
- Had a Concurrent Position in AKB48's Team A since April 28, 2013 to February 24, 2014
- Has a Concurrent Position in AKB48's Team K since February 24, 2014