Her extensive professional experience spans across energy insurance and special risk as well as life assurance. She acquired extensive work experience in Equitorial Trust Bank Limited, Multichoice Nigeria Limited, Unity Life and Fire Insurance Company Plc, SocieteGenerale Bank Limited where she had various public sector (Ministries, Departments and Agencies) accounts in her portfolio. She later left to found Mandies Nigeria (an upscale Haute Couture House). As Managing Director/ CEO, Rosemary oversees the day to day running and management of the firm, ensures cost effective operations/ client sustenance activities as well as effective business Development and Strategy amongst others. Rosemary has attended various courses both nationally and abroad. She continues to improve herself.