Named Ronja Sahl, she is an artistic gymnast who has gained a web following by showcasing her abilities via tutorials and other videos on her Instagram account gymnast_ronja. She has garnered more than 120,000 followers.
She began doing gymnastics in 2015. She published her first gymnastics video on Instagram in July of 2016.
A number of her videos see her performing gymnastics moves on water inflatables and trampolines.
She is from Norway, and has published a couple of travel vlogs from Los Angeles and Croatia to her YouTube channel. She also posted an "Uncle Vs Me" gymnastics video on Instagram.
She and Gymnast Karina are both gymnasts who grew their Instagram followings at a young age.