Olu Dom Domingos (Olu Atuwatse I) foi o sétimo Olu de Warri (também grafado Oeri, Oere ou Ugerri). Era o filho de Olu Sebastião (Olu Atorongboye), tendo-lhe sucedido no trono de Warri. Olu Dom Domingos foi o segundo Olu cristão a governar o Reino de Warri.
Recebeu a primeira instrução em casa, com o pai e com o Bispo de Ode-Itsekiri, tendo aí aprendido a ler e a escrever em português «At the age of ten, prince Domingos was speaking, reading and writing in portuguese. His level of education, because of what was, in effect, homeschooling by his father, visiting priests and the bishop of Ode-Itsekiri, was equivalent to the highest level attained in São Tomé». Recebeu a educação subsequente em Portugal de 1600 a 1611. Em 1601 frequentou o Colégio de São Jerónimo, em Coimbra «In 1601, however, the King informed the Viceroy that Dom Domingos was expected at Colégio de S. Jerónimo. He had been accepted for admission; the arrangements for the disbursement of an annual pension of 200,000 reis by the School's Authorities had been approved.», onde foi louvado pelos seus méritos académicos, tendo mais tarde ingressado na Universidade. «In his considerable experience in the field, he had not known of a negro with the Prince's high level of education. He lauded the Prince for his remarkable achievements».
Uma vez formado na Universidade de Coimbra, regressou ao Reino de Warri, sagrando-se assim o primeiro licenciado da África Subsaariana. «Soon thereafter, Dom Domingos and his wife sailed for Warri/Oeri city in a ship of the Royal fleet, bound for São Tomé. He was provided with a complete set of steel armor and weapons and was accompanied by ten servants, for of whom were earlier knighted at his request, by the King of Portugal. The voyage from Lisbon to Oeri City in the Royal Ship proved to be routine and lasted about thirty days. (...) Eleven years after the prince left home to study in Portugal, Olu Sebastian welcomed Dom Domingos and his Portuguese wife with great joy and religious festivities»
Casou-se com uma dama portuguesa, em 26 de Junho de 1610, antes de regressar à Nigéria com ela em 1611.
Categoria:Governantes tradicionais da Nigéria