Actuarial Officer · Jakarta

Hi, I'm GustaI turn uncertainty into numbers you can trust.

I build IFRS 17 / PSAK 117 reserves and experience studies for life insurers, plus the Python tools that make them fast and repeatable.

Explore the series Download CV
ASAIAssociate · FSAI in progress
3.97GPA · Best Graduate
70%shorter reserving runs
Portrait of Komang Agus Arta Wijaya
IFRS 17GMM · PAA · VFA
Latest · Ep 06Liability for Incurred Claims

Learn with me

Educational series

All series

Builds

Tools I've built

All builds

ActuarialPro

An actuarial workbench for mortality studies, claim analysis and IFRS 17 projections.

20×+ fasterAbout 20 hrs in spreadsheets, under 1 hr in the app.

PythonFlaskSQL Server
Case study

Career

Where I've worked

Download CV
  1. 2024 — PRESENT

    Actuarial Officer

    Heksa Solution Insurance · Jakarta
    Monthly reserving (OJK, IFRS 17)BEL · RA · CSM under GMM, PAA, VFAGPV, UPR & unit-linked modelsIBNR, mortality & lapse studies
  2. 2023

    Marketing & Policy Processing Intern

    BCA Insurance
    Policy issuanceRenewal reconciliation
  3. 2023

    Python Programming Teacher

    Algorithmics Indonesia
    Students aged 6–17Bilingual teaching

Impact

Reserving run time, before and after my VBA automation

Before10 hrs
After3 hrs
−70%

7 hours saved every reserving cycle.

Expertise

What I bring to the table

100Opening+18New business+5Accretion−6Δ estimates−14Release103Closing

CSM roll-forward · illustrative

IFRS 17 / PSAK 117

Measuring BEL, RA and CSM under GMM, PAA and VFA, and explaining every movement behind them.

GMMPAAVFABEL · RA · CSM
IFRS 17 Explained, 6 episodes
ReportedIBNR

Reserving & valuation

Monthly OJK reserving: GPV, UPR, IBNR and unit-linked fund reserves.

GPVUPRIBNR
Ep 06, Incurred claims
A/E = 100%age band →

Experience studies

Mortality and lapse A/E analysis that feeds assumption setting.

MortalityLapseA/E
ActuarialPro

Python & web apps

Flask apps, pandas pipelines and SQL Server, built with AI-assisted development.

PythonFlaskSQLJavaScriptAI-assisted
Actuarial TeamFlow

Excel & VBA automation

Macros for reserving, reconciliation and reporting, plus dashboards used across directorates.

VBADashboards
See the impact

Teaching & writing

Explainer series, lecture assistant for 4 courses and a KNM XXI conference talk.

8 episodesKNM XXI
All series
ASAI
Associate (ASAI)Society of Actuaries of Indonesia · 2026
FSAI
Fellowship in progress1 of 5 modules · BA1 Investment
B.Sc
Actuarial ScienceBrawijaya University · Best Graduate · GPA 3.97

Open to actuarial roles, IFRS 17 projects and talks

Let's build something measurable.

Emailkmagusarta@gmail.com
LinkedInlinkedin.com/in/kaa-wijaya CVDownload PDF

Jakarta, Indonesia · UTC+7

What is it about?