Our Woman Crush Wednesday, Rosario Osobase is a seasoned professional with nearly two decades of experience spanning banking, FMCG, and energy – oil & gas. Her expertise and dedication have consistently set her apart in these sectors.
As the first female Managing Director of Tenaris Nigeria, Rosario leads the company’s operations in Nigeria with distinction. She crafts strategies aligned with corporate objectives, oversees industrial and commercial activities, fosters engagement with government and industry stakeholders, and implements initiatives to strengthen Tenaris’ position and ensure its long-term sustainability in Nigeria. Under her leadership, Tenaris has significantly boosted its commitment to human capital development and local infrastructure, driving economic progress in Nigeria.
Rosario’s influence extends across the energy sector, where she holds key positions on several boards. She is the first female Chairperson of the Petroleum Contractors Trade Section, where her leadership shapes the industry’s trajectory. As a Council Member of the Nigerian Content Research and Development Council, she plays a pivotal role in advancing research and innovation. She also serves as a director on the board of the Women in Energy Network (WIEN), championing diversity and empowerment within the sector.
Her remarkable career achievements have earned her numerous accolades, including recognition as one of Nigeria’s Top 50 Most Inspiring Women (2022) and Top 100 Career Women. In 2023, she received the Nigeria Oil & Gas Rising Star award, followed by the Outstanding Woman in Upstream Energy award in 2024, acknowledging her extraordinary contributions to Nigeria’s energy landscape.
Academically, Rosario holds a first-class degree in computing from the University of Bradford, where she graduated with the Overall Best Performance award. She also earned an Executive MBA from the prestigious IMD Business School in Switzerland, making the Dean’s List for her exceptional performance. Her pursuit of excellence is further reflected in her completion of leadership and executive management courses at Lagos Business School and Rice University.
Rosario is deeply passionate about people, sustainable energy access, and fostering economic development. She is an active member of Women in Management, Business, and Public Services (WIMBIZ), as well as WIEN, and volunteers her time to various industry and educational initiatives.
Beyond her professional accomplishments, Rosario is a devoted wife and mother to three wonderful children. Pride Magazine Nigeria is inspired by her journey, which exemplifies resilience, leadership, and a commitment to empowering others.