I don't want to gawk over someone else's love life (and their failings). That's none of anyone's business but theirs.
The issue with the first affair is what laws he broke... though I would argue the GPU export restrictions were pointless anyway, and the U.S. feds would be stupid to enforce them now, after they clearly did not work.
As for the second, per their own policy:
https://images.nvidia.com/aem-dam/en-zz/Solutions/about-us/NVIDIA-Code-of-Conduct-External.pdf
The following types of activities may create a conflict of interest: › Advisory roles or board seat participation › Outside employment or consulting › Self-employment or volunteering (Inventions or app development, speaking or publishing opportunities, teaching or research at a university level or higher, game development) › Investments or personal relationships.
It's not... particularly explicit about this, but it does feel like conflict-of-interest if she reports to Jensen.