Sheikh Jaffer was born and raised in Milton Keynes, UK. After two years in medical recruitment, he opened his own agency in 2005 and subsequently appointed director of the DRC Group, the second largest agency supplying locum doctors to the NHS in the UK, leaving in 2011.
After returning from Hajj in 2005, he began his Islamic studies, speaking in centres around the world, leading Ziyaarat and Hajj groups. He has studied at Jaami'a Imam as-Sadiq (a) of Ayatollah al-Qazwini, Hawza Imam al-Jawad (a) of Grand Ayatollah Syed Taqi al-Modarresi in holy Kerbala and Al Mahdi Institute, Birmingham. He has authored two books, The Hidden Treasure (2011) and The Ways of The Righteous (2015) with various other written works in the pipeline. He is currently the Resident 'Alim of Hyderi Islamic Centre, London and completing his Masters Degree in Islamic Law at the Islamic College, London.