Khalfani is an experienced auditor with more than 13 years working in both external and internal audit, and finance. He has several years of experience in delivering Assurance, Accounting and Consulting services to clients in various sectors of the Tanzanian economy, including Energy and Mining, Insurance, Banking, Agriculture, Non-Government Organizations, Telecommunications and Manufacturing. His experience outside external audit, has a demonstrated history of working in the pharmaceutical, and mining & metals industry in Tanzania. Skilled in Financial Management, Risk Management, Financial and Operational Audits, he is a Certified Public Accountant (CPA-T) practicing in Accounting, Tax and Audit and recognised by the National Board of Accountants and Auditors (NBAA). He is also a Certified Chartered Accountant with the Association of Chartered Certified Accountants (ACCA).