[3][4] According to his own account, Solomon was an imam in Khartoum[5] who was "born and raised as a Muslim, had trained in Sharia law for 15 years before converting to Christianity.
[13] Solomon, with Elias Al-Maqdisi, is also known for the Al Hijra-theory, published in the book Modern Day Trojan Horse: The Islamic Doctrine of Immigration, which claims, based on the hijra (migration) of Muslim Prophet Muhammad, that the modern-day immigration of Muslims is a deliberate strategy of Islamisation.
[17] Solomon is the Islamic Affairs Adviser to Christian Concern,[16] and in 2004 worked with the group against the Religious Hatred Bill.
[20] He attended the International Legal Conference on Freedom of Speech and Religion together with among others Pamela Geller and Robert Spencer in 2009,[8] and was invited to speak in the Israeli Knesset by MK Aryeh Eldad the same year.
[20] It was also noted that he had written for the former Sharia Watch UK website of another group member, Anne Marie Waters.