SUNNYFOREST
A physician and clinical researcher connecting acute care, healthy aging, cancer survivorship, pediatric emergency medicine, digital health, and community-based care around the person — not around a single disease.
A Personal Vision
Plant light across the healthcare network.
Sunnyforest is a personal vision rather than an institution: care should not stop at the hospital door. It should connect acute care, emergency care, survivorship, aging, rehabilitation, and the community around the life of each person.
My clinical and research work has moved across different fields, but the direction is consistent: find the gaps between services, make meaningful clinical signals visible, and build practical bridges between people and systems.
Why Sunnyforest?
The name is personal: forest comes from 林 in my name, while sunny reflects the sense of light carried by 赫. For me, it has grown to mean something broader — a healthcare landscape where small points of light are planted, connected, and allowed to grow.
At its center is 仁 — care that begins with the person.
About
I am a Clinical Associate Professor in the Department of Family Medicine at Kangwon National University Hospital. My work spans geriatric medicine, pediatric emergency medicine, cancer survivorship, integrated care, population health, and digital health.
Professional Profile
Current Appointments
Education & Training
Professional Credentials
Clinical & Research Domains
Whole-person care, prevention, chronic disease, and clinical decision-making across settings.
Frailty, comprehensive geriatric assessment, healthy aging, and transitions between hospital and community.
Acute pediatric care and real-world research on emergency utilization and revisit patterns.
Life after treatment: health promotion, second-cancer prevention, symptoms, recovery, and social return.
PROs, mobile support, AI-assisted care, transitional care, and practical links across fragmented services.
Research in Practice
Selected Work
A real-world digital survivorship model linking nutrition, pain, mental-health support, and patient-reported outcomes. KANGPRO translates this work into a patient-facing mobile service, while the AI Cancer Wellness Center provides the broader care and innovation framework.
A pathway for identifying vulnerable older adults, targeted comprehensive geriatric assessment, and linkage to rehabilitation and community support. A structured transitional-care risk assessment framework is under development.
Clinical and functional phenotyping combined with proteomics and EPIC-array methylation data to study biological aging and resilience.
Real-world analysis of pediatric emergency department revisits, care trajectories, utilization patterns, and clinically useful risk signals.
Selected Publications
Clinical & Public Service Journey
The path toward Sunnyforest was shaped by disaster response, pandemic care, pediatric emergency medicine, aging and transitional care, and survivorship beyond the hospital.
Beyond the Clinic
Joined the KNUH medical support team during the Gangwon wildfire response.
2025Regional campaign supporting recovery, return to daily life, and awareness of cancer survivorship.
2026Shared a life-course integrated-care and digital-transformation model with Ushioda General Hospital and Yokohama healthcare partners.
2026Provided clinical perspective on access, appropriate use, and health coverage for obesity pharmacotherapy.
Honors
International Congress of Primary Care (ICPC) · AI-supported cancer survivorship research using KANGPRO
Article ↗Selected in the 2025 second-half hospital survey asking staff which physicians they would recommend to family or friends.
Article ↗For contributions to the development of the Gangwon community through the COVID-19 response · June 13, 2022.
Academic Life
Conferences are not just endpoints for research. They are places to test ideas, meet collaborators, and bring useful approaches back into clinical practice.
Contact
Department of Family Medicine, Kangwon National University Hospital, Chuncheon, Republic of Korea.