Sina is a partner in the Energy and Natural Resources Practice Group. He has spent the last ten years advising on various areas of legal practice including but not limited to commercial law, energy law, and environmental law. Sina has been involved in advising government, multinational oil companies and project developers on diverse contractual, regulatory and policy issues. He has advised on structuring joint venture arrangements for oil exploration, acquisition of upstream assets; advised, drafted and negotiated various upstream agreements. He has been involved the in the design of HSE regulatory compendium for major oil companies. He has also advised several clients on gas sales and transportation issues, establishment of power plants, gas processing facilities and on environmental obligations associated with project development.

He was involved in the development of the National Gas Supply and Pricing Policy and the subsequent Regulations developed to implement the Policy. Sina also played a key role in developing and drafting the template gas supply and gas transportation agreements which underpins domestic supply of gas in Nigeria and details the commercial arrangements and risk allocation among suppliers, purchasers, transporters and shippers of gas. He has trained senior executives of power generation companies on gas utilization, offtake and transportation contracts.

Sina is a member of the Association of International Petroleum Negotiators (AIPN) and the International Bar Association (IBA).