About Anslem Oshionebo

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 reflects a rare combination of deep technical expertise and practical leadership across multiple industries, with a strong focus on the oil and gas sector.

Based in Dallas, Texas, he combines technical fluency with commercial judgment across the US and Nigerian markets, aligning financial strategy with operational delivery, stakeholder management and regulatory compliance.

Leadership today

Tenaza Asset Recovery & Intelligence. As CEO and President, Anslem leads a debt recovery, debt collection, asset tracing and corporate intelligence firm operating across more than 40 countries, combining field investigation, legal process and a proprietary AI model for skip tracing and asset tracing. Read more about Tenaza.

Haricot Energies Limited. As Managing Director and CEO, and Project Lead for its upstream opportunities, he leads an oil and gas company built on dual-track technical and financial expertise, backed by partnerships with venture capital firms, investment institutions and international oil and gas companies. Read more about Haricot Energies.

Consulting and software development. Anslem is Founder and Managing Director of a consulting and software development firm focused on technology improvement, compliance monitoring and operational efficiency. The firm builds technology-driven solutions that help organizations strengthen compliance frameworks, automate monitoring and align operations with evolving regulatory requirements, serving clients across the energy, financial services and public sectors.

Oil and gas

Anslem has advised oil and gas companies on regulatory compliance, operational strategy and business effectiveness, helping them navigate the regulatory landscape governing upstream and downstream operations, including sector-specific reporting obligations, licensing requirements and regulatory submissions. He has designed and implemented compliance monitoring frameworks, streamlined business processes and improved operational performance in line with industry practice and regulatory expectations.

Strategy and business operations

He has advised senior leadership teams on organizational effectiveness, business transformation and performance improvement, leading cross-functional engagements that align corporate strategy with operational execution, identify efficiency gaps and embed sustainable improvements across business units, reducing operational risk while improving productivity and profitability.

Financial reporting and internal controls

Anslem has extensive experience in public company financial reporting and internal control effectiveness. He has assisted listed companies with the preparation and review of financial statements under IFRS and US GAAP, and led engagements evaluating and strengthening internal control over financial reporting under the Sarbanes-Oxley Act, covering control design assessments, gap analyses, remediation planning and management reporting.

Forensics and fraud examination

Throughout his career he has led and participated in forensic investigations and fraud examinations, including fraud allegation investigations, forensic audit assistance and compliance-related inquiries, leading multidisciplinary teams that combine financial, legal and operational expertise.

Technology and fintech

Anslem co-founded a software technology company that grew more than 500% year on year and expanded into over 32 countries. He has led product and software development for international payments and compliance technology, and today builds compliance monitoring and operational software through his consulting and software development firm.

PwC

Anslem worked with PwC Nigeria before transferring to the firm's United States practice, where he served clients across diverse industries. During a competitive two-year rotation in PwC's National and Technical Accounting Research Office, he monitored and coordinated regulatory developments affecting the profession, produced thought leadership and provided technical consulting on complex accounting and compliance matters. He helped design firm-wide training programmes and delivered professional development sessions across the firm and at the University of Texas at Dallas.

Engineering foundation

A mining engineering graduate with a strong grounding in natural resources, including oil and gas, Anslem began his career as a field engineer and built experience in oil and gas operations and construction management. That experience gives him a practical understanding of how assets are planned, built and operated that continues to inform his advisory work in asset-intensive industries.

Education and credentials

Anslem holds a master's degree from Seton Hall University and a bachelor's degree in mining engineering. He is a Fellow of the Institute of Chartered Accountants of Nigeria (FCA, ICAN), a Certified Public Accountant (CPA) in the United States and a Certified Fraud Examiner (CFE).

Recognition

In 2020 Anslem received the Immigrant Professional Excellence Award at the Immigrant Journey Awards in Dallas, presented by Badmus & Associates during Dallas Welcoming Week to honour outstanding immigrant entrepreneurs, professionals, community leaders and advocates in North Texas. His work on the Jattu Primary Health Centre in 2026 was covered by more than 25 media outlets, including AP News and The National Law Review.

Community

Anslem supports the Anslem Esi Foundation, which provides learning materials to school children in Nigeria. In Dallas he volunteers as a teacher for young children at his local church and as a youth soccer coach. In January 2026 he led the refurbishment of Jattu Primary Health Centre in Edo State, restoring power and water and donating medical equipment in memory of his father. His charity and non-profit writing is published at anslemoshionebo.net.

He writes about fintech, AI, finance, strategy, upstream oil and gas and the immigrant experience on his blog, including the Challenges of an Immigrant series, and about philanthropy on Medium. He welcomes board, advisory and leadership opportunities where his experience can add value.