Omar began a long campaign travelling around the world giving speeches and talks, lecturing and advocating at universities, institutes and other global venues. He travelled around Europe, United States, Russia and other countries.[9] His mission was as he stated in his several public speeches is to "Put Mosul On The Global Map". He was invited by many international universities and governments.[10] He has also, in different occasion, demanded the international community to put Mosul under international trusteeship to protect its people.[11][12] “This is my city, I love Mosul more than anything else.”[13]