Career Overview
Mr. Ajang Ajang Lino has built a career spanning more than 19 years in taxation, revenue administration and public-sector leadership. His professional journey has covered tax administration, audit and compliance, taxpayer services, revenue collection, enforcement, debt management and institutional operations. Over the course of his career, he progressed through increasingly senior responsibilities within South Sudan’s revenue administration, including roles in tax audit and compliance, head office operations, large taxpayer services and domestic tax revenue leadership. His experience combines technical knowledge of taxation with extensive responsibility for revenue performance, taxpayer compliance, staff supervision and institutional development. From March to August 2026, Mr. Lino served as Commissioner for the Domestic Tax Revenue Division of the South Sudan Revenue Authority, where he provided leadership during a period focused on domestic revenue mobilization, taxpayer compliance and strengthening tax administration. His career reflects a long-standing commitment to professional tax administration, effective revenue collection and the development of institutional capacity within South Sudan’s public sector
Commissioner, Domestic Tax Revenue Division
South Sudan Revenue Authority (SSRA)
March 2026 – August 2026
Mr. Ajang Ajang Lino served as Commissioner for the Domestic Tax Revenue Division of the South Sudan Revenue Authority from March to August 2026.
Major Responsibilities and Contributions
- Provided leadership for domestic tax revenue administration.
- Supported efforts to strengthen domestic revenue mobilization and taxpayer compliance.
- Oversaw strategic priorities relating to tax administration, enforcement and taxpayer services.
- Promoted stronger voluntary compliance and consistent application of tax laws.
- Emphasized professional taxpayer engagement and quality service delivery.
- Supported a leadership approach centered on teamwork, accountability, staff development and institutional capacity.
Deputy Commissioner, Tax Audit and Compliance, Nov 2025 - Mar 2026
Domestic Tax Revenue Division, South Sudan Revenue Authority
Mr. Lino served in senior tax-administration leadership with responsibility for tax audit, compliance and enforcement functions.
Major Responsibilities
- Contributed to the development and interpretation of policies relating to tax administration.
- Supported the development of strategic goals and objectives for audit and compliance functions.
- Oversaw tax audit and examination activities involving individuals and businesses.
- Supported verification of filed tax returns and determination of tax obligations.
- Contributed to enforcement of tax provisions and collection of taxes due.
- Supported investigations involving taxpayer records, books and other relevant documentation.
- Contributed to the assessment of taxes, interest and applicable penalties.
- Supported measures aimed at identifying non-filers, detecting fraud and addressing tax evasion.
- Supported taxpayer assistance and services designed to improve understanding and compliance with tax laws.
- Maintained emphasis on confidentiality of taxpayer information obtained through investigations and verification processes.
Deputy Commissioner, Head Office Operations Feb 2021 - 2022
South Sudan Revenue Authority
Mr. Lino served as Deputy Commissioner for Head Office Operations, coordinating operational planning, revenue collection and compliance activities.
Major Responsibilities
- Coordinated the development, review and implementation of divisional business plans, strategies and action plans.
- Oversaw the maintenance of the taxpayers' database.
- Supervised implementation of departmental revenue collection strategies.
- Reviewed revenue collection performance against established targets.
- Monitored revenue collection performance and provided strategic direction to improve revenue outcomes.
- Coordinated audit and examination functions and compliance-monitoring activities.
- Coordinated audit and examination of tax returns.
- Monitored compliance and collection-enforcement measures.
- Provided input into the review of tax laws.
- Facilitated enforcement of tax laws and strengthened teamwork within revenue administration.
Assistant Commissioner, Large Taxpayers Service Sept 2019 - Feb 2021
South Sudan Revenue Authority
In this senior revenue-administration role, Mr. Lino contributed to the management of large-taxpayer administration, revenue collection and compliance.
Major Responsibilities
- Supervised implementation of departmental revenue collection strategies.
- Reviewed revenue collection performance against established targets.
- Provided strategic direction to support optimal revenue collection.
- Oversaw development and implementation of annual business plans relating to tax audit.
- Worked with small and medium taxpayer units to promote consistency in the interpretation and application of tax laws.
- Mobilized resources and monitored expenditure within the Large Taxpayers Unit.
- Supported compliance, debt-management and enforcement strategies.
Assistant Director for Taxation August 2008 - Sept 2019
Ministry of Finance and Planning, Government of Southern Sudan
Mr. Lino spent many years working in taxation under the Ministry of Finance and Planning, building extensive experience in tax administration and financial matters.
Major Responsibilities
- Kept abreast of evolving tax laws and regulations to provide appropriate guidance on tax filing.
- Managed matters relating to local, state and national income taxes.
- Worked with excise duties, property taxes and transaction taxes.
- Supported taxpayers and stakeholders with tax compliance requirements.
- Collaborated with senior tax-accounting personnel on financial projections.
- Contributed to taxation-related financial analysis and business valuation activities.
Earlier Professional Experience
Before progressing into senior tax-administration and public-sector leadership positions, Mr. Lino also gained professional experience in education, humanitarian service and community-oriented work.
Teaching and Educational Service
His earlier professional experience included teaching roles in South Sudan and at Kakuma Refugee Camp in Kenya, where he worked with students, educators and administrators in educational and community settings.
Teacher, Kuacjok Secondary School, August 2008 - Mar 2009
Major Responsibilities
- • Worked with other teachers and administrators to evaluate and revise elementary school programs.
- • Fostered a positive learning environment by developing curriculum and instructional support that targeted and engaged all students in their academic experience.
- Pursued professional development continually by attending educational conferences and teacher training workshops.
- Collaborated with other teachers to coordinate social activities and field trips in alignment with curriculum.
Nursing Assistant, Multi-Service Training Center & Hospital - Juba, Central Equatoria. Jan 2008 - June 2008
Major Responsibilities
- Provided care to patients throughout lifespan with consideration of aging processes, human development stages and culture./li>
- Instructed patients and family members on proper discharge care.
- Identified and reported unsafe situations to the senior nurse to maintain adherence to safety protocols
- Oversaw and managed clinical and support staff in patient care activities while maintaining a high level of staff morale and professionalism.
- • Facilitated an on-going assessment of patient/family needs and implementation of interdisciplinary team care plan.
Teacher, Livestreams International – Kakuma Refugee Camp-Kenya. Jan 2003 - Dec 2006
Major Responsibilities
- Consistently received positive teacher evaluations from students.
- Collaborated with other teachers to coordinate social activities and field trips in alignment with curriculum.
- Worked collaboratively with other teachers to review data and develop instructional strategies to address student learning objectives.
- Collected, analyzed, and tracked data on student progress.
- Developed and implemented classroom routines to address varying student needs.
Nutrition Assistant, Tearfund International - PANTHOU, SOUTH SUDAN Jan 2000 - Aprill 2002
Major Responsibilities
- Identified high-risk individuals and referred them to the office of a registered dietician where they could benefit from individualized follow up.
- Monitored fluid intake and output levels
- Coordinated with other internal departments and customers to keep operations running smoothly and solve both routine and complex problems.
- Refer the most malnourish to the therapadic Centre.
- discharge all children that have recover in therapadic center to Supplementary center.
Humanitarian and Community Service
Mr. Lino also worked in humanitarian and health-related support roles earlier in his career, gaining experience in community service, coordination and working with vulnerable populations.
A Career of Progressive Leadership
Mr. Ajang Ajang Lino's professional journey demonstrates progressive responsibility across taxation, revenue administration, audit, compliance, enforcement and institutional management.
His progression from professional and community-service roles into senior positions within tax administration reflects more than 19 years of professional experience and a sustained focus on public service and domestic revenue administration.