Our Team

FELIX SUNDAY KHAMIS ACCA, SCCA

Managing Partner, and Consultant

He has distinguished himself through advanced postgraduate studies with the Sudan Council of Certified Accountants (SCCA) in collaboration with the Association of Chartered Certified Accountants (ACCA) UK, an esteemed member of the International Federation of Accountants since 1988. He is an alumnus of El-Nasir Technical College in Omdurman, where he earned a Bachelor's degree from the Faculty of Management and Business Administration, majoring in Banking and Finance, Project Planning, and Investment. In his current role, he serves with distinction as the Executive Director of the Grassroots Relief and Development Agency (GREDA) in Juba, South Sudan. His leadership extends to his tenure as an Honorable Member of the Transitional National Legislative Assembly (TNLA) in Juba, South Sudan, where he was the Secretary of the Standing Committee on Governance Assurance, Monitoring, and Evaluation. His prior experience includes serving as the Executive Director of the Sudan Self-help Foundation in Khartoum. With a career marked by strategic vision and exemplary leadership in governance, finance, and development, he brings a unique and classic blend of expertise and dedication to Alison & Associates.



THOMAS ALISON KHALIFA, CPA, FCCA, BBA, A&F

Audit Manager, Tax and /Management consultant

Thomas brings over a decade of public and private accounting experience to his role, with eight years focused on auditing governmental entities, not-for-profits, employee benefit plans, and privately held businesses throughout South Sudan. His extensive expertise positions him as the audit manager and partner in charge at Alison & Associates. Thomas holds a Master's degree in Economics from Juba University and a Bachelor's degree in Management Science, majoring in Accounting and Finance, from Star International University College. As a qualified and registered practicing accountant, Thomas's credentials and experience are exemplary. Thomas began his career as an audit trainee at Awad & Co Certified Accountants and Consultants. He then joined Alison & Associates as a Senior Auditor, progressing to the role of Audit Manager. His professional journey also includes significant roles at SET Chartered Certified Accountants, where he served as an Audit Manager and Administrative and Finance Manager. Additionally, Thomas gained valuable experience as a bank staff member at Nile Commercial Bank and as a Senior Accountant at Juba Medical Complex, a specialist hospital. Currently, Thomas leads the Audit and Assurance Division at Alison & Associates, where his deep knowledge and leadership skills drive the firm's commitment to excellence in audit services.



FREDDY ISAAC WANI , MBA- Com

Senior Auditor, and tax Consultant

Freddy holds a Bachelor of Commerce (B.Com) degree in Accounting and Finance from the University of India. As a trained tax consultant with extensive experience acquired at the National Revenue Authority of South Sudan, Freddy brings a wealth of knowledge and expertise to his role. In his current position, Freddy manages the Tax Docket at Alison & Associates CPAs, assisting client organizations with both tax and other statutory compliance issues. His meticulous approach ensures that clients navigate complex tax regulations with ease and confidence. Freddy's career includes significant experience as a Senior Auditor at Awad & Co Certified Accountants and Consultants. He further honed his auditing skills at SET Chartered Certified Accountants, where he served as an Auditor. His comprehensive background in both auditing and tax consultancy equips him with the skills necessary to provide exceptional service and strategic insights to our clients.



GEORGE BUSH ACHIRE

Accountant, Monitoring and Evaluation officer

He holds a Bachelor Degree of Business Management, and Diploma in accounting, from the Juba University, he manages the audit semi senior and audit assistants. He responsible for audit field execution and documentation, he joined the Firm as a semi- senior and grow to head the firms field assignments. He worked for Red-cross of South Sudan as an Accountant and then become Internal Auditor before Joining Alison & Associates CPAs.