acting President Goodluck Jonathan has sworn in members of his new cabinet.
A senior executive at the investment bank Goldman Sachs, Olusegun Aganga, has been appointed finance minister.
Thirteen members of the new cabinet are from the dissolved government, Reuters reports.
Mr Jonathan has placed former Mines Minister Deziani Allison-Madueke in charge of the country's oil ministry, a key post in the oil-rich state.
Mr Jonathan has outlined his main priorities as electoral reforms, security in the oil-producing Niger Delta, providing a more reliable power supply and fighting corruption.
In March, Mr Jonathan dissolved the entire cabinet and made new nominations, most of which were accepted by Nigeria's senate last week.
The new cabinet is expected to remain in place until elections due next year.
These are due in April but could be held in January.
President Umaru Yar'Adua has not been seen in public since he fell ill in November 2009..
Other Reports:
Dora Akunyili retains her job as Minister of Information in the new cabinet and John Odey returns to the Environment ministry.
Odein Ajumogobia is named Nigeria's Foreign Affairs minister; Dieziani Allison-Madueke becomes Petroleum Minister while Fidelia Njeze is named Aviation Minister. Olusegun Aganga is the new Finance Minister, and Godsday Orubebe is the Niger Delta Minister.
Idi Hong is minister of state for Health, while Shamsudeen Usman remains Minister of National Planning. Humphrey Abba has been named as Interior Minister.
Bello Adoke is the new Attorney General of the Federation, Adetokunbo Kayode who was formerly the AGF is now the new helsman at the Defence ministry while Murtala Yar'Adua is the minister of state.
Update 1734 Lagos time
Agriculture............................Sheikh Ahmed ABDULLAH
Aviation.......................................Fidelia NJEZE
Culture and Tourism...............Abubakar Sadiq A. MOHAMMED
Commerce and Industry....................Jibril Martins KUYE
Defence....................................Adetokunbo KAYODE
Education.................................Ruqayyatu A. RUFAI
Environment...................................John Ogar ODEY
Finance......................................Olusegun AGANGA
Foreign Affairs............................ Odein AJUMOGOBIA
Health................................................vacant
Information & Communication....................Dora AKUNYILI
Interior..................................Emmanuel IHEANACHO
Justice & Attorney General..............Mohammed Bello ADOKE
Labour.........................Chukwuemeka Ngozichineke WOGU
Lands, Housing & Urban Development.............Nduese ESSIEN
Mines & Steel Development.................Musa Mohammed SADA
Niger Delta Affairs..........................Godsday ORUBEBE
Petroleum............................Deziani ALLISON-MADUEKE
Police Affairs..................................Adamu WAZIRI
Power.................................................vacant
Science & Technology....................Muhammed K. ABUBAKAR
Special Duties.............................Earnest OLUBOLADE
Transportation................................Yusuf SULAIMAN
Women Affairs..........................Iyom Josephine ANENIH
Works & Housing.............................Sanusi M. DAGASH
Youth Development.......................Akinlabi OLASUNKANMI
Ministers in the Presidency
Federal Capital Territory......................Bala MUHAMMED
National Planning Commission Chairman......Shamsuddeen USMAN
National Sports Commission...................Ibrahim Isa BIO
Ministers of state
Agriculture & Water Resources.........Awodele Najeem ADEWALE
Commerce....................................Josephine TAPGUN
Defence...............................Murtala Shehu YAR'ADUA
Finance..................................Aderemi W. BABALOLA
Foreign Affairs (1)...........................Aliyu Idi HONG
Health....................................... Suleiman BELLO
Information & Communications....................Labaran MAKU
Interior............................. Humphrey Enemakwu ABAH
Niger Delta Affairs...............................Samuel ODE
Power..........................................Nuhu Somo WYA
Works & Housing.............................Chris OGIEMWINYI
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