Specialists across
risk, finance and data.

RJ Global Risk Advisory combines quantitative risk, financial accounting, ECL, regulatory, data and AI expertise. Specialists join engagements only where their verified experience fits the work.

01 · RJGR TEAM

Tafadzwa RJ Mheuka

Founder · Quantitative Risk Expert · Data Scientist

Quantitative risk professional with six years of consulting and banking experience. Specialises in IRB, IFRS 9, PD, LGD, EAD and CCF modelling, model validation, implementation assurance, stress testing, capital analysis, data analysis and AI-driven solutions.

EducationMSc Financial Engineering · MSc Big Data · BSc Statistics

QualificationsCertified Basel III Professional (CBiiiPro) · Certified Stress Testing Expert – Basel 3 (CSTE-B3)

ExperienceConsulting and banking experience across model development, validation, monitoring, regulatory implementation and risk analytics.

LanguagesEnglish

Basel II–3.1IRBIFRS 9Model validationStress testingPythonRSQLPower BIExcel

02 · RJGR TEAM

Rutendo Elizabeth Mabika

Co-Founder · Senior Analyst, Finance (Financial Accounting–ECL)

Quantitative risk and ECL specialist with experience in IFRS 9 and IRB model development, validation, monitoring, stress testing, financial analysis and machine learning. She works with Afreximbank as Senior Analyst, Finance (Financial Accounting–ECL).

EducationMSc Business Analytics, Hult International Business School · BSc (Hons) Applied Mathematics, NUST

QualificationsCertified Basel III Professional (CBiiiPro) · Certified Stress Testing Expert – Basel 3 (CSTE-B3) · Diploma in Sustainable Finance

ExperienceAfreximbank · EY quantitative risk · KaribuTech AI. Experience includes work with financial institutions and investment funds.

LanguagesEnglish

IFRS 9ECLIRBCredit risk modellingModel validationStress testingPythonRSQLSASMachine learning

03 · RJGR TEAM

Simba Simba

Co-Founder · Chartered Accountant · Financial Reporting & IFRS

Qualified Chartered Accountant (Zimbabwe) with more than fourteen years of experience across banking and professional services. Specialises in IFRS financial reporting, IFRS 9 ECL accounting, audit management, finance controls, due diligence and finance transformation. He works with Afreximbank as Manager, Financial Reporting.

EducationPostgraduate Honours in Bachelor of Accounting Science, University of South Africa · Bachelor of Accountancy Honours, University of Zimbabwe

QualificationsQualified Chartered Accountant (Zimbabwe) · Final Assessment of Professional Competence, ICAZ · Initial Assessment of Professional Competence, ICAZ

ExperienceFinancial reporting management at Afreximbank and audit-management experience with PwC. Work includes listed-entity reporting, audit committee communication, technical accounting, finance-system implementation, operational-risk loss reporting.

LanguagesEnglish

IFRSIFRS 9ECL accountingFinancial reportingExternal auditInternal auditRisk-based auditingFinance controlsDue diligenceOperational riskFinance systems

Specialist network

Deep expertise. Shared delivery discipline.

RJ is building a verified multidisciplinary network across financial and non-financial risk. Every engagement will name who is accountable for the work.

TEAM LOCATIONS