Nishani is an Associate Member of the Institute of Chartered Accountants of Sri Lanka, she is also an Associate Member of the Institute of Certified Management Accountants of Sri Lanka and a Graduate from the University of Sri Jayewardenepura Sri Lanka in Business Administration Special.

Nishani has over thirteen years of experience in the field of Audit and Assurance, Corporate Finance including ten years in the managerial level. Prior to joining Moore Aiyar and Moore Consulting (Pvt) Ltd she worked as an Associate Director for BDO Partners.

Her expertise in Corporate Finance and Audit and Assurance Services is widespread covering a wide range of industries from banks, finance, insurance, micro finance, manufacturing, general trading, apparel, hotel, plantation, Not for profit organizations and service providing organizations to name a few.
Further, she handled the risk management function of BDO Sri Lanka group, while working at BDO.

She is serving as a governing council member of the Young Chartered Accountants Forum of the Institute of Chartered Accountants of Sri Lanka. She is also a technical committee member of the National Conference, a committee member of the Annual Report Awards and a committee member of the Women Empowerment and Leadership Development of the Institute of Chartered Accountants of Sri Lanka. Further, she has served in subcommittees of Companies Act Law reform, Transfer Pricing and in the Exposure Draft of Conceptual Framework in the Institute of Chartered Accountants of Sri Lanka.

Nishani has conducted training on Sri Lanka Accounting & Auditing Standards for the Institute of Chartered Accountants of Sri Lanka, Association of Accounting Technicians (AAT) and BDO Sri Lanka. Further, she was a presenter to the training conducted for the Accounting and Auditing Standard Monitoring Board of Bhutan as well as for the Royal Monetary Authority of Bhutan on International Accounting Standards. She has acted as a visiting lecturer at the University of Colombo (Department of Accountancy).