About
I’m Hyeonjee, a product designer turning empathy into measurable impact across healthcare, AI, and consumer products.
Momitalk Global
Revamping an AI Companion for Personalized Pregnancy Support
Repositioned an AI chatbot into a stage-aware, emotionally intelligent companion with tailored conversation topics—boosting completed chats by 120% and engagement by 58%.
Healthcare
UX/UI
Conversational UX
AI Content Strategy
Personalization
Prompt Testing
Momitalk Global
Empowering Pregnancy Health Tracking with Insights and Habits
Transformed pregnancy tracking with instant insights, trend visualizations, and habit-building features—doubling adoption and tripling retention across key markets.
Healthcare
UX/UI
Habit Formation
Insight-Driven Design
Data Visualization
AI Integration
Momitalk Global
Streamlining Family Invitations for Clarity and Connection
Redesigned account‐sharing and management flows for seamless patient‐family collaboration with clear hierarchy and navigation—doubling adoption and cutting support tickets.
Healthcare
UX/UI
Information Architecture
Flow Redesign
Onboarding UX
Access Control UX
EQUIP
Reimagining a Car-Buying Experience for Digital-First Shoppers
Redefined a car-buying journey for digital-first users through a streamlined, transparent, and personalized experience—from search to test drive to delivery.
E-commerce
0–1 Product Strategy
End-to-End UX
Service Design
User Research
Design System
Playground
Lunar New Year Celebration
An event identity celebrating the Lunar New Year through symbolic visuals, blending tradition with modern design.
Branding
Poster
Illustration
Promotional Materials
Second Aid Kit
A first aid kit for emotional well-being, designed to help relieve stress and promote mental health through design.
Branding
Packaging
Spatial Design
Resume
About
I’m Hyeonjee, a product designer turning empathy into measurable impact across healthcare, AI, and consumer products.
Momitalk Global
Revamping an AI Companion for Personalized Pregnancy Support
Repositioned an AI chatbot into a stage-aware, emotionally intelligent companion with tailored conversation topics—boosting completed chats by 120% and engagement by 58%.
Healthcare
UX/UI
Conversational UX
AI Content Strategy
Personalization
Prompt Testing
Momitalk Global
Empowering Pregnancy Health Tracking with Insights and Habits
Transformed pregnancy tracking with instant insights, trend visualizations, and habit-building features—doubling adoption and tripling retention across key markets.
Healthcare
UX/UI
Habit Formation
Insight-Driven Design
Data Visualization
AI Integration
Momitalk Global
Streamlining Family Invitations for Clarity and Connection
Redesigned account‐sharing and management flows for seamless patient‐family collaboration with clear hierarchy and navigation—doubling adoption and cutting support tickets.
Healthcare
UX/UI
Information Architecture
Flow Redesign
Onboarding UX
Access Control UX
EQUIP
Reimagining a Car-Buying Experience for Digital-First Shoppers
Redefined a car-buying journey for digital-first users through a streamlined, transparent, and personalized experience—from search to test drive to delivery.
E-commerce
0–1 Product Strategy
End-to-End UX
Service Design
User Research
Design System
Playground
Lunar New Year Celebration
An event identity celebrating the Lunar New Year through symbolic visuals, blending tradition with modern design.
🥇 Won Indigo Design Award: Gold in Promotional Materials
🥇 Won Indigo Design Award: Gold in Poster & Brochure
🥈 Won Indigo Design Award: Silver in Illustration
Branding
Poster
Illustration
Promotional Materials
Second Aid Kit
A first aid kit for emotional well-being, designed to help relieve stress and promote mental health through design.
🏛 Exhibited at Design Art Fair
🏛 Exhibited at Seoul Design Festival
📰 Featured in Magazine, Monthly Design
Branding
Packaging
Spatial Design
Resume
About
I’m Hyeonjee, a product designer turning empathy into measurable impact across healthcare, AI, and consumer products.
Momitalk Global
Revamping an AI Companion for Personalized Pregnancy Support
Repositioned an AI chatbot into a stage-aware, emotionally intelligent companion with tailored conversation topics—boosting completed chats by 120% and engagement by 58%.
Healthcare
UX/UI
Conversational UX
AI Content Strategy
Personalization
Prompt Testing
See how I reimagined AI to build trust and relevance
Momitalk Global
Empowering Pregnancy Health Tracking with Insights and Habits
Transformed pregnancy tracking with instant insights, trend visualizations, and habit-building features—doubling adoption and tripling retention across key markets.
Healthcare
UX/UI
Habit Formation
Insight-Driven Design
Data Visualization
AI Integration
See how I made health tracking a daily habit
Momitalk Global
Streamlining Family Invitations for Clarity and Connection
Redesigned account‐sharing and management flows for seamless patient‐family collaboration with clear hierarchy and navigation—doubling adoption and cutting support tickets.
Healthcare
UX/UI
Information Architecture
Flow Redesign
Onboarding UX
Access Control UX
See how I simplified family access and collaboration
EQUIP
Reimagining a Car-Buying Experience for Digital-First Shoppers
Redefined a car-buying journey for digital-first users through a streamlined, transparent, and personalized experience—from search to test drive to delivery.
E-commerce
0–1 Product Strategy
End-to-End UX
Service Design
User Research
Design System
See how I redesigned the car-buying journey
Playground
Lunar New Year Celebration
An event identity celebrating the Lunar New Year through symbolic visuals, blending tradition with modern design.
🥇 Won Indigo Design Award: Gold in Promotional Materials
🥇 Won Indigo Design Award: Gold in Poster & Brochure
🥈 Won Indigo Design Award: Silver in Illustration
Branding
Poster Design
Illustration
Promotional Materials
View the full case study
Second Aid Kit
A first aid kit for emotional well-being, designed to help relieve stress and promote mental health through design.
🏛 Exhibited at Design Art Fair
🏛 Exhibited at Seoul Design Festival
📰 Featured in Magazine, Monthly Design
Branding
Packaging
Spatial Design
View the full case study
Resume