Q: Context: Miroslav Lajcak of Slovakia has been elected as the United Nations General Assembly President of its 72nd session beginning in September 2017.

Question: who is the current president of un general assembly?
Let's give stream of consciousness below
To answer this question, we should know that: Miroslav Lajcak of Slovakia has been elected as the United Nations General Assembly President of its 72nd session beginning in September 2017. So the answer is Miroslav Lajcak.