Anslem Oshionebo

Dallas, Texas and Lagos, Nigeria

Anslem
Oshionebo

Executive and trusted advisor with more than 20 years across finance, strategy, regulatory compliance, forensics and technology. CEO and President of Tenaza Asset Recovery & Intelligence, and Managing Director and CEO of Haricot Energies. Engineer by training, with experience across oil and gas and construction management.

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Portrait of Anslem Oshionebo

About

Anslem Oshionebo is a seasoned executive and trusted advisor with more than 20 years of cross-functional experience spanning financial accounting, strategy, business operations and effectiveness, regulatory compliance, forensics and technology innovation. His career combines deep technical expertise with practical leadership across multiple industries, with a strong focus on oil and gas.

He is CEO and President of Tenaza Asset Recovery & Intelligence, Managing Director and CEO of Haricot Energies, and Founder and Managing Director of a consulting and software development firm focused on technology improvement, compliance monitoring and operational efficiency. He previously co-founded a software technology company that grew more than 500% year on year and expanded into over 32 countries.

A mining engineering graduate who began his career as a field engineer, with experience in oil and gas and construction management, he built his finance career at PwC in Nigeria and the United States, including a two-year rotation in the firm's National and Technical Accounting Research Office. He is a Fellow of the Institute of Chartered Accountants of Nigeria (FCA), a Certified Public Accountant in the United States and a Certified Fraud Examiner, working across the US and Nigerian markets from Dallas, Texas.

His focus areas are fintech, corporate strategy, business development and upstream oil and gas development.

Full biography

Career

  1. Engineering, oil and gas and constructionField engineerA mining engineering graduate, he began as a field engineer, building hands-on experience in oil and gas operations and construction management.
  2. PwC NigeriaAudit and advisoryFinancial reporting and assurance for clients across industries.
  3. PwC United StatesAudit and advisoryTransferred to the US practice, serving clients across diverse industries.
  4. PwC National and Technical Accounting Research OfficeTwo-year rotationRegulatory developments, technical consulting on complex accounting and compliance matters, thought leadership and firm-wide training programmes.
  5. Software technology companyCo-founderGrew a software technology company more than 500% year on year and into over 32 countries.
  6. Consulting and software development firmFounder and Managing DirectorTechnology improvement, compliance monitoring and operational efficiency for energy, financial services and public sector clients.
  7. Tenaza Asset Recovery & IntelligenceCEO and PresidentDebt recovery, asset tracing and corporate intelligence across 40+ countries.
  8. Haricot Energies LimitedManaging Director and CEOUpstream oil and gas company combining technical and financial capability, from evaluation through development.

CEO and President

Tenaza Asset Recovery & Intelligence

Debt recovery, debt collection, asset tracing and corporate intelligence for banks, lenders and corporates, across Nigeria and a correspondent network spanning more than 40 countries, powered by a proprietary AI model for skip tracing and asset tracing.

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Managing Director and CEO

Haricot Energies Limited

An oil and gas company built on dual-track technical and financial expertise, with more than 130 years of combined team experience and partnerships with investors and international operators to structure, fund and deliver upstream assets.

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Expertise

Oil and gas advisory and compliance
Regulatory compliance, licensing and reporting obligations, compliance monitoring frameworks and operational strategy for upstream and downstream companies.
Strategy and business operations
Organizational effectiveness, business transformation and performance improvement, aligning corporate strategy with operational execution.
Financial reporting and internal controls
Public company reporting under IFRS and US GAAP, and Sarbanes-Oxley internal control over financial reporting: design assessments, gap analyses and remediation.
Forensics and fraud examination
Fraud allegation investigations, forensic audit assistance and compliance inquiries, leading multidisciplinary financial, legal and operational teams.
Technology and fintech
Compliance and monitoring software, payments and product development, including co-founding a software company that grew into over 32 countries.
Engineering and construction management
Field engineering, oil and gas operations and construction management, bringing a practical understanding of how assets are built and run.
Debt recovery and asset intelligence
Recovery of non-performing portfolios, skip tracing and asset tracing across Nigeria and a 40+ country network through Tenaza.

Credentials

  • Fellow Chartered Accountant (FCA) ICAN, Nigeria
  • Certified Public Accountant (CPA) United States
  • Certified Fraud Examiner (CFE)
  • Master's degree Seton Hall University
  • Bachelor's degree, Mining Engineering

Community

In January 2026, Anslem led the refurbishment of Jattu Primary Health Centre in Edo State, Nigeria, restoring electricity after more than eight years, rehabilitating the water supply for hundreds of families and donating medical equipment. The project was covered by more than 25 outlets, including AP News and The National Law Review.

In 2020 he received the Immigrant Professional Excellence Award at the Immigrant Journey Awards in Dallas, and he writes the Challenges of an Immigrant series.

He supports the Anslem Esi Foundation, which provides learning materials to school children in Nigeria, volunteers as a teacher for young children at his local church in Dallas and coaches a youth soccer team.

His charity and non-profit work, and writing on philanthropy, volunteering and children's education, are at anslemoshionebo.net.