Function and Responsibilities:

CEO of DynaFrax UG, a spin-off company of Helmholtz Centre GFZ Potsdam

Research Interests:

• Nuclear waste repository safety analysis, numerical modelling
  
• Brittle rock fracturing processes and numerical modelling
• Geothermal reservoir stimulation and induced seismicity modelling
• THM (thermo-hydro-mechanical) coupled modelling of geo-processes
• Discrete element modelling of fluid injection and fault reactivation

Career:

• since 2018.4: CEO of DynaFrax UG, a spin-off company of Helmholtz Centre GFZ Potsdam
  
• since 2017.1: Lead of Helmholtz Enterprise spin-off project "DcubeRoc"
  
• since 2012.4: Post-doc, GFZ, Section 2.6 Seismic Hazard and Risk Dynamics
• since 2012.1: Editorial board member of the Journal of Korean Society for Rock Mechanics, Seoul, Korea
• 2011.3-2012.3: geomechanics expert, geomecon GmbH, Potsdam, Germany
• 2009.4-2011.2: Post-doc, Energy Research Centre of Lower Saxony, Goslar, Germany
• 2007.8-2009.2: Post-doc, Research Institute of Energy and Resources, Seoul National University, Seoul, Korea
• 2005.1-2006.12: Visiting scientist, GFZ, Section 3.2 Geomechanics and Rheology, Potsdam, Germany (Research grant for two years from Korean Research Foundataion for Internship Research in Foreign Country)

Education:

• 2007 PhD in Engineering, Seoul National University, Seoul, Korea 
• 2002 Master in Engineering, Seoul National University, Seoul, Korea
• 2002 Bachelor in Engineering, Handong Global University, Pohang, Korea

Projects:

• Projects conducted as a post-doc of GFZ
  
• 2012.04 - 2012.10. GEISER, Geothermal Engineering Integrating Mitigation of Induced Seismicity in Reservoirs, EU funded, FP-7-ENERGY2009-1
• 2012.10. - 2014.11. MULTIFRAC, Development of Petrothermal Reservoir, 0325451C, funded by German Federal Ministry for the Environment, Natural Conservation and Nuclear Safety
• 2014.12. - 2017.11. ThermoQuakes, 3D thermo-mechanical modelling of seismicity related to the final disposal of spent nuclear fuel and radioactive waste in hard rocks, SSM funded, SSM2014-3668
• Projects conduced as a CEO of DynaFrax UG
• DECOVALEX2019 (LBNL and SSM funding)
  
• Development of particle mechanics based discrete element model simulation workflow for thermo-hydro-mechanical coupled processes (KIGAM funding)
• Low and intermediate level radioactive waste disposal facility phase 2 (near-surface disposal facility) - Review and independent modelling study of seismic hazard and safety (Hyundai Engineering Company funding)
• Development of PFC2D code for numerical simulation of hydraulic stimulation in EGS (KICT funding)
• etc.
  

Research Boards and Committees:

• Editorial Board in Korean Society for Rock Mechanics Journal "Underground Space and Technology" 
• Expert in Technology Level Evaluation appointed by the Ministry of Science and ICT of the Republic of Korea

Awards:

• 2014.10. IL-AM Award from the Korean Society for Rock Mechanics (KSRM)
• 2010.10. Proxime Accessit of the International Society for Rock Mechanics (ISRM) Rocha Medal
• 2005.1. Research grant from the Korean Research Foundation for the Internship Research in Foreign Country