Zacharias Pieri What now for Tablighi Jamaat after death of leader? by Zacharias Pieri - 19th February 2016 Hafiz Mohammad Patel, the Amir of Tablighi Jamaat in Britain and the man tasked to win the UK for Islam has died at the age of 92. Here Dr Zacharias Pieri examines the implications. Read more about What now for Tablighi Jamaat after death of leader? ANALYSIS: Forced conversion their only hope? by Zacharias Pieri - 16th May 2014 NEW ANALYSIS by Zacharias Pieri, an expert on Islamist movements, reveals symbolism behind the staged Boko Haram video of the kidnapped schoolgirls. Read more about ANALYSIS: Forced conversion their only hope?