Before becoming a public speaker, he trained as a physician.[1] He has published booklet versions of lectures on Islam and comparative religion. Although he has publicly disclaimed sectarianism in Islam,[25] he is regarded as an exponent of the Salafi ideology,[3][26] and by many sources as a radical Islamist[5][15][16] promoting Wahhabism.[8][15][27][10][11] His preaching is currently banned in India, Bangladesh, Canada, the United Kingdom and Malaysia, under anti-terrorism or anti-hate laws.[30][31][32][33] His TV channel Peace TV is banned in India,[34] Bangladesh,[35][36] Sri Lanka,[37] and is pending a ban by Ofcom in the United Kingdom.[38][39]