Joan Mwangi
Nairobi
Summary
Results-driven Revenue Officer with over 15 years of progressive experience in tax enforcement, compliance, and revenue protection at the Kenya Revenue Authority. Proven expertise in coordinating multi-agency enforcement operations, implementing compliance strategies, combating illicit trade, and overseeing regional enforcement teams. Demonstrated success in revenue growth, prosecution of tax evasion cases, and policy implementation aligned to ISO and QMS standards. Adept at intelligence gathering, case management, and leading cross-functional teams to exceed set KPIs.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Domestic Tax Compliance Officer
Kenya Revenue Authority (KRA)
12.2021 - Current
- Manages daily compliance matters across all major Domestic Taxes by ensuring adherence to Tax Laws and Regulations
- Conduct compliance checks and audits to detect revenue leakages and safeguard government revenue
- Identify and collect unaccounted taxes, directly contributing to increased revenue mobilization
- Strengthen taxpayer compliance through advisory engagements and enforcement actions
- Collaborate with cross-functional teams to resolve complex compliance cases and streamline enforcement processes
- Apply analytical and investigative skills to uncover non-compliance patterns and recommend corrective measures
Domestic Tax Enforcement Officer
Kenya Revenue Authority (KRA)
12.2013 - 01.2021
- Pioneered Tax Enforcement Division. I contributed directly to its growth into the effective and reputable unit it is today
- Oversaw setting up of Nakuru Enforcement Office and was in charge of up to 8 officers.
- Enforced excise duty and VAT compliance through inspections, intelligence gathering, and mock purchases.
- Monitored exports and imports in liaison with Customs & Border Control, curbing unaccustomed goods.
- Prepared case files for prosecution and compounding, achieving 100% prosecution success rate.
- Coordinated inter-agency crackdowns on illicit trade, collaborating with law enforcement and regulators.
- Achieved revenue growth in excise duty from -66% to 110% and VAT from -25% to 68% within two years i.e 2019/2020
- Supervised officers who were confirmed from contract to permanent roles due to exemplary performance.
- Developed intelligence reports leading to successful prosecutions with potential recoveries over Ksh 1.2B.
Clerical Officer, Investigation & Enforcement Department – Motor Vehicle Investigation
Kenya Revenue Authority (KRA)
01.2008 - 01.2013
- Profiled motor vehicle manifests to identify and stop non-compliant vehicles, recovering unpaid duties.
- Opened investigation files, collected duties, and supported prosecutions of offenders.
- Managed database of ongoing cases and prepared regular investigation reports.
- Participated in national crackdowns on non-compliant motor vehicles.
- Received commendation (2012) for outstanding performance from Commissioner I&E.
- Nominated and trained as ISO Champion (2010).
Education
Masters of Business Administration - Finance
Daystar University
01.2013
Bachelors of Business Administration - Accounting & Finance
Kenya Methodist University
01.2010
Certified Public Accountants (CPA) Final Examination - undefined
01.2010
High School - undefined
Kajiado Central Secondary School
01.1998
Skills
- Enforcement & Compliance Strategy
- Revenue Collection & Growth
- Leadership & Team Management
- Case Management & Prosecution Support
- Risk & Fraud Detection
- Multi-Agency Coordination
- Intelligence Gathering & Analysis
- Policy Implementation & Strategic Planning
- ISO, QMS & Risk Management
- Stakeholder Engagement & Reporting
Accomplishments
- Discovered and exposed the use of duplicate excise stamps, preventing significant revenue leakage and strengthening the integrity of excise tax administration
- Successfully prosecuted and won cases against tax evaders, reinforcing compliance and deterrence
- Spearheaded the establishment of both Kisumu and Nakuru Tax Enforcement Stations, expanding enforcement reach and improving revenue mobilization
- Pioneered initiatives within the Enforcement Division, contributing to its growth into a fully-fledged and reputable unit it is today
- Conducted high level of compliance checks that resulted in the recovery of substantial unaccounted taxes
- Strengthened inter-agency partnerships, enhancing efficiency in combating illicit trade.
- Received commendation for outstanding performance and leadership contributions.
- Surpassed KPIs by up to 160% in 2019/2020.
- Led successful enforcement operations resulting in potential revenue recoveries over Ksh 1.2B.
- Spearheaded excise and VAT compliance strategies, driving regional revenue growth.
Certification
- Post Graduate Diploma in Domestic Taxes – Kenya School of Revenue Administration (2017–2018)
- Post Graduate Diploma in Customs – Kenya School of Revenue Administration (2016–2017)
- Market Surveillance Course & Field Attachment – Kenya School of Revenue Administration (2013–2014)
- ISO Auditors/IAO Training – Kenya School of Revenue Administration (2010)
Timeline
Domestic Tax Compliance Officer
Kenya Revenue Authority (KRA)
12.2021 - Current
Domestic Tax Enforcement Officer
Kenya Revenue Authority (KRA)
12.2013 - 01.2021
Clerical Officer, Investigation & Enforcement Department – Motor Vehicle Investigation
Kenya Revenue Authority (KRA)
01.2008 - 01.2013
Bachelors of Business Administration - Accounting & Finance
Kenya Methodist University
Certified Public Accountants (CPA) Final Examination - undefined
High School - undefined
Kajiado Central Secondary School
Masters of Business Administration - Finance
Daystar University
References
Julius C., Macharia, Deputy Commissioner, ChegeMacharia/ISO/KRA@KRA, 0721 487 686, Kenya Revenue Authority
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