
| Career | Stage | Role |
|---|---|---|
| Keimyung University | Bachelor, M.S, Ph.D. | - Doctor of Philosophy in Environmental Science |
| Woosung Engineering Group Inc. | Executive Manager | - Designing, construction, sales in water treatment field |
| Eco plus Inc. | Associate Executive Director | - Managing, sales in water treatment field |
| WOOJIN ENC | Associate Executive Director |
- Designing, construction, sales, patent acquiring in water treatment field - Conducting two Ethiopian Village Waterworks Installation Project as director of research - Acquiring 4 patent in water treatment field |
| Synopex | Associate Executive Director General Engineering |
- Designing, construction, sales, patent acquiring in water treatment field - Acquiring 12 patent in water treatment field - Charging 7 case of national R&D program |
| Taewoong ENC | General manager |
- Designing, construction, sales, patent acquiring in water treatment field - Acquiring 2 patent in water treatment field - Charging 2 case of national R&D program |
| Ecomembrane | Head of engineering team | - Designing, construction of membrane process and wastewater treatment plant |
| Daegu Environmental Corporation | Researcher | - Charging R&D about water treatment technology |

