The trial of former Nigerian petroleum minister, Diezani Alison-Madueke, has cast a spotlight on the intersection of power, privilege and governance, as she continues to deny allegations of bribery before a London court.
Testifying at Southwark Crown Court, the 65-year-old insisted she neither solicited nor accepted bribes during her time in office, maintaining that her actions were guided by professionalism and the demands of public service.
“I can state categorically that at no point did I ask for, take or receive a bribe,” she told the court, adding that she always acted impartially despite operating within what she described as a challenging system.
Prosecutors allege that Alison-Madueke benefited from lavish spending funded by Nigerian businessmen, including luxury shopping, expensive accommodation and multimillion-pound property refurbishments in the United Kingdom.
The court heard claims that more than £2 million was spent at high-end retailer Harrods, alongside £4.6 million used to renovate properties in London and Buckinghamshire.
However, the former minister rejected the characterisation of the spending as personal indulgence. She argued that the expenses were tied to official duties and were later reimbursed by the Nigerian National Petroleum Company.
“They paid for all my hotels, chauffeurs… to allow me to perform the job that I did,” she said, noting that a London-based service company was established to manage logistics due to inefficiencies within the NNPC’s financial structure.
She also defended her use of private residences, describing them as cost-effective alternatives to extended stays in luxury hotels such as the Savoy and Dorchester, where nightly rates could reach £2,000.
The prosecution outlined a series of properties allegedly placed at her disposal, including a £2.8 million residence in Marylebone and upscale homes overlooking Regent’s Park.
In her defence, Alison-Madueke said some of the stays were incidental. She recounted spending five days at a Buckinghamshire property during Christmas 2011 due to a medical emergency involving her then-husband, while another extended stay was linked to a working retreat involving government officials.
She also stated that certain properties were used for official meetings, while at least one cited by prosecutors was uninhabitable at the time due to ongoing renovations.
The court further heard allegations that £100,000 in cash was delivered through one of her chauffeurs. Alison-Madueke denied any knowledge of the transaction, insisting the money was unrelated to her.
Beyond the allegations, the trial has revisited her career trajectory, including her rise within Shell, where she became the first female executive in its Nigerian operations.
She told the court she had initially been reluctant to join the multinational firm, citing her father’s past experience and legal dispute with the company. She also criticised Shell’s handling of environmental damage in the Niger Delta, saying more should have been done to address the impact of oil spills.
Alison-Madueke further highlighted the pressures she faced as a female leader in Nigeria, describing the country as deeply patriarchal and recalling security threats, including incidents of kidnapping involving members of her family.
In 2015, she made history as the first female president of the Organization of the Petroleum Exporting Countries, a position that underscored her influence in global energy affairs.
That milestone now contrasts with the legal battle she faces, as she stands trial on five counts of accepting bribes and one count of conspiracy to commit bribery, all of which she denies.
Also on trial are oil executive Olatimbo Ayinde, who denies bribery charges, and her brother, Doye Agama, accused of conspiracy.
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