Dom is a partner of the firm. He holds an LLB degree from the University of Benin and was called to the Nigerian bar in 1986. He worked briefly as Legal Officer with The Board of Customs before joining the Legal firm of Chike Chigbue & Co. He later went into private practice establishing Dom Okonma & Associates and later the partnership, Okonmah,Okonma & co He specializes in shipping and Admiralty, Immigration and Nationality as well as commercial real estate. He is also a consummate politician and party leader in Oshimili North Local Government Area of Delta State.