1984: B.S. College of Pharmacy, Seoul National University, Seoul, South Korea
1986: M.S. Department of Physical Pharmacy, College of Pharmacy, Seoul National University, Seoul, South Korea
1996: Ph.D. Department of Physical Pharmacy, College of Pharmacy, Seoul National University, Seoul, South Korea
2010- present : Professor, College of Pharmacy, Hanyang University
2000-2010 : Assistant professor, Associate professor & Professor, College of Pharmacy, Yeungnam University
2006-2006 : Visiting scholar, College of Pharmacy, The university of Michigan, USA
1998-1999 : Postdoctoral Fellow College of Pharmacy, Purdue University, USA
1987-1997 : Chief Researcher, Pharmaceutical Development Lab., Dong-Wha Pharm. Co. Ltd., South Korea.
Solubilization of poorly water-soluble drugs,
Development of nanoparticle, solid dispersion, microcapsule & SMEDDS
Development of specific dosage form: liquid suppository, wound dressing, fast dissolving tablet, combination product