Our Professionals

Elizabeth Ekwerekwu-Isimhemen is a seasoned legal practitioner with a strong background in corporate, commercial, and regulatory law. She obtained her Bachelor of Laws (LL.B.) from Anambra State University and was called to the Nigerian Bar in 2015.

Following her call, Elizabeth honed her legal expertise through practice with several notable law firms, gaining broad experience in both corporate and commercial law. Her passion for innovation and excellence in legal service delivery led to the establishment of Ad Hoc Consulting & Associates, a firm committed to providing practical, client-focused, and result-oriented legal solutions.

Her areas of practice include Corporate Governance, Regulatory Compliance, Commercial Law, and Real Estate Law, where she has successfully advised entrepreneurs, organizations, and investors on navigating complex legal and regulatory frameworks. To date, she has supervised the registration and incorporation of over 200 businesses and companies across Nigeria, reflecting her deep understanding of corporate structuring and compliance.

Elizabeth is an Associate Member of the Nigerian Institute of Chartered Arbitrators and has received several recognitions and awards from non-governmental organizations for her contributions to human rights advocacy.

Jennifer Ekwerekwu-Fraussen is a Partner at Ad Hoc Consulting & Associates, where she specializes in Immigration and International Law. With over five years of professional legal experience acquired through practice at distinguished law firms and international organizations, she brings extensive expertise to cross-border legal matters.

Her immigration practice focuses primarily on Belgium, where she advises individuals, families, and businesses on residency, work permits, citizenship, and regulatory compliance. Jennifer’s deep understanding of immigration frameworks enables her to provide seamless guidance through complex international procedures.

Beyond immigration law, Jennifer is an Associate Member of the Chartered Institute of Arbitrators (UK), with a growing interest in international dispute resolution. She is known for her strategic, solutions-oriented approach—combining technical legal insight with a client-centered perspective to deliver clear, practical outcomes.

Kosie Onuora is a seasoned legal and Corporate Governance professional with extensive experience in Nigeria’s oil, gas and energy sectors. She holds a Master’s degree in Oil and Gas Law from Robert Gordon University, Aberdeen and provides expert guidance on complex contracts, regulatory compliance, corporate governance and strategic transactions.

Kosie’s practice spans upstream and midstream operations, energy project development and risk management, with a particular focus on ensuring alignment between business objectives and regulatory frameworks.

Recognized for her thought leadership in energy law and governance, she contributes insights on industry trends and sustainable energy practices. Kosie combines legal expertise with strategic acumen, advising clients on navigating Nigeria’s dynamic energy landscape while mitigating legal and commercial risks.

Chimezie Onuzulike is a Fellow of the Chartered Institute of Arbitrators (UK). He obtained his Bachelor of Laws (LL.B.) from Anambra State University where he graduated top of his class with a First Class Honours and bagged several awards including the Faculty of Law Prize and Chancellor's prize for the best graduating student in the Faculty of Law.

His practice focuses on disputes, employment and maritime. Chimezie has significant experience in Commercial Litigation and International Commercial Arbitration. He has represented clients in several significant and complex international and domestic arbitrations matters. He has also represented local and international corporate entities, top financial institutions and government agencies in several high-profile commercial litigation before superior courts.

Chimezie has several published works in International Arbitration and Litigation in renowned law journals.

Chukwuemeka Collins Chidiebere is a Nigerian lawyer with close to a decade of active practice, specializing in technology law, family law, and litigation. He serves as a Legal Analyst with an international legal tech firm that is tasked with data obligations. He provides risk advisory and compliance support to startups, tech companies, and other businesses. He is a seasoned family lawyer, providing services ranging from adoption proceedings, custody, marriage and divorce proceedings.

Beyond private practice, Collins has served as Secretary of the Human Rights Committee in his branch and currently sits as a member of the Ethics and Disciplinary Committee of his branch in Delta State. Known for his professionalism and results-driven approach, he works seamlessly with both local and international clients. He is happily married and deeply committed to both his family and his profession