Theo Ariandi

Head of Data Science at Julo Fintech

Built and optimized complete suite of Credit Scoring Models used for automated loan approvals/rejections; Developed standardized interactive frequentist and Bayesian experiment design and statistical inference platform using R-Shiny; Standardized and automated machine learning models training, development and deployment flow using MLflow; Created Bad Debt Expense predicted model using stochastic iterative simulation.

Senior Data Manager (Financial Services) at Traveloka

Increased consumer lending net-revenue by 21% by increasing approval rate while maintaining default rate by building scalable credit risk and fraud detection models; Scaled up experimentation framework by 500% by implementing reusable statistical analysis and hypothesis testing models; Created fraud network connection model to detect suspected fraudsters and their linked syndicate within user base, preventing ~2M USD fraud loss per year; Built a centralized platform to serve user features with scalable and reusable framework, increasing number of customer features API served by 5x since 2022.

Data Analyst (Insurance) at Traveloka

Built a team of analysts; weekly cadence with business stakeholders; shared analytics insights and strategy using tailored visualizations; Increased gross written premium by 25% by creating underwriting and price optimization models for several travel insurance products; Increased insurance take-up rate by 300% and net-revenue per transaction by 25% by developing auto-included insurance model via iterative A/B test experiments; Built end-to-end data pipeline and data model for analytics and machine learning purposes.

Data Analyst (Insurance) at Traveloka

Scaled up data tracking by creating flexible tracking schema; 90% improvement in data-tracking implementation; Reduced duration of data-tracking setup from 5 days per event to 0.5 days per event.

Business Analyst at RedMart

Ran weekly cadence with automated KPI reports for different functions such as commercial, operations, transport, finance and marketing using Tableau; Created inventory replenishment and warehouse pick path optimization algorithms; Developed and simulated pick-to-delivery supply chain model to reduce order-to-delivery lead time; Created temperature control and prediction model for chiller temperature control.

Head of Data Science at Fintech

Led data science strategy and execution for the fintech platform in Indonesia, overseeing modeling, analytics, and data platforms.

Data Analytics Lead (Insurance) at Traveloka

Built and grew a team of analysts; increased gross written premium by 25% through underwriting and pricing optimization; improved take-up rate by 300% via targeted experimentation; developed fraud network detection and a centralized platform with scalable features.

Senior Data Analyst (Insurance) at Traveloka

Scaled data tracking implementation by creating flexible tracking schema; contributed to data-driven insights and operational improvements for insurance products.