Thank you for sharing the short clip, very helpful.
I’m confident I can fix your problem. I’ve got tons of interview post production experience, having worked with interviews within London’s top companies.
I would also correct your positioning of the man being interviewed slightly to the left, taking into consideration the rule of thirds.
Do some great colour correction for you, to really get that perfectly crisp image.
Can also mix the audio to increase the quality of sound, and add in a backing track, to get that professional feel.
Design you lower thirds, with name and title, possibly subject of his sharing.
Additionally I could also do subtitles of his sharing.