It would always be good reading from different perspectives, and from diverse resources.
Personally, I have not heard about him before.
a quick search show he's from the Ahmedeya sect whose beliefs contradicts with Islamic beliefs from many aspects such as: Mohammed being the last prophet, Return of Jesus, etc... you can do your research at your own pace.
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What is God Really Like Tawhid or Trinity? Dr. Shabir Ally and Dr. Nabeel Qureshi Debate

I think this is a good debate to watch. I watched like half of it and it is interesting .