Omar graduated in 1964 as a certified accountant from the Leeds College of Commerce in the United Kingdom.
He also assumed the role of Director of Finance in the Bantu African Development Bank, helping transform the pilot project into a multi-regional initiative.
In 1983, he became CEO of the Islamic financial institution the DMI Trust based in Geneva, Switzerland.
[2] He became Vice-President of the Bahraini Faisal Private Bank, and established their most profitable branches in Pakistan, Switzerland and New Jersey in the United States.
In 2009, Omar together with his business partner Suleiman A. Dualeh entered an agreement with Shelter Afrique that will see their corporation Integrated Property Investments Ltd take on an ambitious housing project worth US$624 million in Dar es Salaam, Tanzania known as the Bahari Beach satellite town.