The bio picture being used is from the Nicki Sixx led band 58 produced by a Dave Darling (not the same guy as the Cellist).
We’ve tracked this down to incorrect metadata from one of our providers. We will reach out to them to make a correction and will keep you updated.
Our metadata provider has let us know that they have corrected this today. Please give this about a week or two to be reflected within Roon. Once you see the change on your end please mark this post as the solution.
Thanks again for your report!