• AX
  • Data Analysis
  • Process Innovation

I question familiar ways of working, then solve problems with data and AI.

I start by defining the context, use data to guide decisions, and bring AI into real workflows.

About

I read problems through a humanistic lens, then use data and AI to put answers into action.

Read the problem

Before deciding what to build, I ask why the problem exists. I study how people and work actually move, then reframe the problem.

Analyze the data

I structure data and use a range of analytical methods and machine-learning models for inference and prediction, producing evidence for decisions.

Redesign the process

I redesign workflows and apply AX, RPA and data visualization to remove repetition and bottlenecks, turning tools into better ways of working.

Experience

1 yr 5 mos

2025.10 - 2025.12 · Intern 2026.01 - 2026.09 · Full-time

10 mos

MIDAS IT

Corporate Strategy Office · Intern → Full-time

Corporate strategy · AX strategy in parallel

  • AX strategy

    Structured the company-wide AX direction across products, people, work processes and shared foundations. Independently designed the diagnostic model, execution roadmap and dedicated-team proposal, presented them to executives, and saw the proposal lead to the creation of a dedicated AX organisation.

  • Data analysis

    Designed and analysed a survey of 89 engineers, then divided 450 employees into four groups by role and AI usage level to estimate the impact of adopting Claude Enterprise. Compared the costs and benefits of three rollout options and recommended one with an estimated 319% ROI and 2.9-month payback.

  • Product planning

    Redesigned company operating processes around an internal performance-management LLM service. Defined the flow from organisational goals to individual objectives, daily work and agent execution, then detailed four scenarios spanning employee planning and team leadership. Aligned the core feature set required for the pilot with the engineering team.

  • Process innovation

    Planned and ran a monthly AX Day for the strategy organisation, spreading practical AI use through cases and hands-on sessions. I also built and shipped Claude Code automation templates and an AI skill for on-brand documents, moving 20% of the workflow to automation.

  • Corp. strategy

    Ran the company-wide performance incentive programme, lifting average performance by 6%. Planned the core messages and materials for executive committee reporting and company-wide events.

2024.07 - 2025.02

7 mos

WadizX

CEO Staff · Business Assistant

Client consulting · process innovation · data analysis

  • Consulting

    Consulted on Wadiz projects for 30+ client accounts, designing more than ₩500M in marketing investment that generated over ₩3B in revenue.

  • Process innovation

    Restructured company-wide processes from sales through settlement and consolidated them into dashboards, cutting reporting lead time from two hours to 15 minutes — an 87% reduction.

  • Automation

    Designed the data pipeline and automated marketing reporting, cash settlement, and outbound customer touchpoints.

  • Data analysis

    Built a marketing mix model (MMM) and a model that predicts when ad performance will decline, then designed purchase-history-based customer segments (RFM). Increased repeat-purchase conversion by 20% and improved customer acquisition cost (CPA) efficiency by 11%.

Projects

Five representative projects, organised by problem, approach and outcome.

MIDAS IT · 2026.03 - 2026.05

Company-wide AX strategy and execution model

Strategy · roadmap and org design · executive presentation

AI initiatives were moving independently across the organisation, without shared direction or priorities. I brought products, people and work processes into one strategy, proposed an execution roadmap and dedicated team, and helped lead to the creation of a company-wide AX organisation.

Strategy
Company-wide AX criteria
Execution model
Diagnostic · roadmap · org design
Organisational change
Dedicated AX team established
AX strategyRoadmappingOrg designChange management
  • Established company-wide AX criteria spanning products, people, work processes and shared foundations
  • Designed a diagnostic model and execution roadmap that separated the current stage from the next target
  • A dedicated AX organisation was established after the executive presentation

MIDAS IT · 2026.07 - 2026.08

AI-powered organisational operations and performance management service

AX service planning · AS-IS/TO-BE analysis · core scenarios and MVP design

Employees' daily work, team performance and management decisions were disconnected by separate reporting processes. I analysed work by role and the plan–execute–review cycle, identified the bottlenecks, and designed core scenarios and a pilot in which AI connects planning, execution and leaders' decisions.

Scope analysed
Company-wide work processes
Core scenarios
8
Pilot priority
4 workflows
AX service planningProcess designService scenariosMVP designInformation visualisation
  • Redesigned work processes so goals, execution and outcomes connect from employees to executives
  • Defined 8 core scenarios and service features that divide responsibilities between people and AI
  • Proposed 4 priority workflows and functional validation criteria for the pilot

MIDAS IT · 2026.04

Claude Enterprise feasibility and ROI analysis

Survey design and analysis · ROI modelling · recommendation

There was no evidence for deciding on an AI rollout for 450 employees. Starting with actual usage data from 89 engineers, I estimated productivity impact by role and usage level, compared the costs and benefits of three rollout options, and recommended one.

Survey evidence
89 engineers
Rollout scope assessed
450 employees
Estimated ROI
319%
ROI analysisSurvey designSegmentationCost-benefit analysis
  • Measured actual usage levels and perceived productivity through an 89-person survey
  • Estimated cost and productivity impact across 450 employees by role and usage level
  • Recommended an option with 319% ROI and a 2.9-month payback

WadizX · 2024.07 - 2025.02

Ad performance prediction and customer segmentation

Analytical model design and build · campaign application

More than ₩500M in ad spend had to be allocated more precisely while increasing repeat purchases. I connected marketing mix modelling (MMM), ad-performance decline prediction and purchase-history-based customer segmentation (RFM) to decisions, improving customer acquisition cost (CPA) efficiency by 11% and repeat-purchase conversion by 20%.

Repeat purchase
+20%
CPA efficiency
+11%
Ad spend managed
₩500M+
PythonSQLMarketing mix modelling (MMM)Customer segmentation (RFM)Regression analysis
  • Improved customer acquisition cost (CPA) efficiency by 11% with marketing mix modelling
  • Used a model predicting ad-performance decline to decide when to continue or replace creatives
  • Increased repeat-purchase conversion by 20% through purchase-history-based customer segmentation

WadizX · 2024.07 - 2025.02

Company-wide operating data pipeline and dashboards

Process redesign · data automation · dashboard development

Data and definitions from sales through settlement were scattered, so they had to be assembled again for every meeting. I aligned the workflows and KPIs first, then automated collection, aggregation and visualisation so the evidence was ready when the meeting began.

Aggregation lead time
2 hrs → 15 min
Aggregation time
87% reduction
Daily meeting
30 min shorter
Process designApps ScriptKPI designData visualisation
  • Defined company-wide workflows and KPIs through staff interviews, then automated collection, aggregation and visualisation
  • Aggregation lead time 2 hrs → 15 min (87% reduction)
  • Delivered decision data before meetings, cutting daily meeting time by 30 minutes

Project Archive

Tools built at work, data experiments, and explorations across business and culture.

Tools that changed how work gets done

2026

AI tool for automated report generation

I turned report-production standards that varied by person into a reusable team asset. Design and writing rules, generation code and QA procedures were packaged and distributed as a single AI skill.

Claude Code SkillPptxGenJSOOXMLDesign system
2026

Strategy Office AX Day — monthly AI action session

Instead of another session for listening to AI instruction, I designed and ran a monthly programme where participants brought a real work problem and decided on the first action they would take.

Change managementLearning designFacilitationImpact tracking
2026

Performance programme operations dashboard

I moved the points and participation flow of a company-wide performance programme from spreadsheet calculations into a single web dashboard and deployed it myself.

Next.jsTypeScriptRechartsVercel

Experiments tested with data

2025

Collaborative filtering: missing values and similarity metrics

On MovieLens data, I cross-compared methods for filling missing values and calculating user similarity to test how each choice changed recommendation error.

K-NNCollaborative filteringPythonExperimental design
2024

Heartnet — predicting out-of-hospital cardiac arrest

Explored whether wearable signals could detect an unwitnessed out-of-hospital cardiac arrest sooner. As team lead, designed the structure and prototype of a prediction and alert service.

Service planningService and data-flow designMachine-learning feasibility
2023

Value-chain analysis with LLM virtual customers

Built LLM virtual customers from real data to supplement customer interviews, which require substantial time and cost. Tested the usefulness of the analytical output in a comparison study with 15 university students.

LLMPrototypingCustomer analytics

Business and service hypotheses

2024 - 2025

MOS — a reading-based social network

I believed that recommending only books that perfectly match a reader's taste narrows what they discover. I led a reading social network through beta, deliberately introducing unfamiliar books and explaining why each recommendation was made.

Service planningBusiness modellingRecommendation algorithmExplainable recommendations
2024

Daangn Alba market expansion strategy

Analysed public filings and found that advertising accounted for 99% of revenue. Built an expansion hypothesis in which Daangn Alba solves adjacent problems beyond hiring, then proposed how to validate it and how the business could make money.

Financial analysisBenchmarkingBusiness modellingPMF validation design
2023

Easy Task — UX and revenue-model consulting

Found that the problems of an outsourcing platform could not be solved through screen changes alone. Expanded the analysis to the service flow and payment structure, then proposed prioritised improvements.

UX analysisService designBusiness modellingFigma

Perspectives on people and culture

2023 - 2025

GDGoC Inha — Core Member

Repositioned a developer-centred community so non-developers could participate, growing membership by 250%. Planned and ran four corporate partnership programmes and an AI hackathon.

Community opsPartnershipsHackathonsBusiness study
2023

DISSMYTH — eco-friendly empty perfume bottles

Focused on the bottle, the most expensive part of perfume and the first to be discarded, and developed a brand that sells the vessel on its own. Led the business strategy and product development, winning the University President's Award in an on-campus accelerator programme.

Business strategyGTMBrandingFounding
2023

Brand identity analysis — Blue Bottle · Uniqlo

Analysed how one brand occupies an identity another has lost through the cases of Blue Bottle and Uniqlo, framing the phenomenon as 'ideology capture.'

Cultural strategyBrand analysisCase study

Capabilities & Tools

Data Analysis
SQLPythonData extraction · cleaning · validationMetric definitionHypothesis framing · experiment designPredictive modelling (regression · MMM)Customer segmentation (RFM)Recommendation analysis (collaborative filtering)Data visualisation · dashboards
AX · Process Innovation
AX strategy · roadmapsRequirements · process analysisAI opportunity discoveryLLM workflow designAI agents · workflow automationAdoption impact measurementChange management
Strategy · Planning
KPI designROI & cost-benefit analysisBusiness modellingService planningOperating model designExecutive reporting
Prototyping · Automation
Next.js · TypeScriptGoogle Apps ScriptSupabaseRechartsPptxGenJS · OOXML
Collaboration Tools
PowerPointExcelFigmaNotion

Education & credentials

I studied how people and culture create meaning in Cultural Content & Management, and how to solve business problems with data in Business Administration.

Inha University

Graduated

2019.03 - 2026.02

Cultural Content & Arts Management (major)

Studied how perception, behaviour and culture shape meaning.

GPA 4.14 · Merit scholarship ×5

Cultural Theory & Popular CulturePersuasive CommunicationLanguage & CommunicationCultural Brand Marketing MethodsCultural Psychology & MarketingInteractive Content

Business Administration (double major)

Learned to analyse business problems with data and improve services and processes.

GPA 4.38

Business AnalyticsMarketing AnalyticsOperations ManagementService DesignManagement Information SystemsIT Project Innovation Cases

Training & Certifications

2025.06

SQL Developer (SQLD)

K-DATA

2024.06

Advanced Data Analytics Semi-Professional (ADsP)

K-DATA

2024.04

Google Data Analytics Certificate

Google

2024.01

Practical AI Product Planning

Upstage · Udemy

2023.11

President's Award, ARAB Accelerator Programme

Inha University