| 1993. | B.F.A in Hongik Univ. major in Metal Art & Design |
| 1996∼2006 | a Critic in Monthly Audio Magazine |
| 1998. 3 | >Established Metal Sound Design (MSD) |
| 1999. 9 | Cheongju International Craft Biennale 1999 |
| 2001. 10 | Cheongju International Craft Biennale 2001 |
| 2003. 5 | Artist of Tomorrow Ⅲ’Sound Art'(Sung-gok Gallery) |
| 2003. 7 | ‘TEN YEARS Later'(In-sa Artcenter) |
| 2003. 9 | Cheongju International Craft Biennale 2003 ‘SATURN’ |
| 2003. 10 | Exhibition of ‘Craft for Life’ (Cheongju International Craft Biennale) |
| 2004. 2 | M.F.A in Hongik Univ. Graduate School of Industrial Fine Art |
| 2004. 3 | Exhibition of ‘Festival’ (Sejong Center for Performing Arts) |
| 2004. 5 | Environmental Sculpture of ‘a Letter in the Bottle 94’ (Habiram Church) |
| 2005. 1 | ‘MOON II’ CES Innovations 2005 Awards Honorees(Las Vegas) |
| 2005. 8 | ‘大韓國人”LEICA MP’ Design to Commemorate the 60th Anniversary of Korean Independence |
| 2006. 1 | ‘PLANET’ CES Innovations 2006 Awards Honorees(Las Vegas) |
| 2006. 9 | ‘Papertainer Museum’ (Olympic Park, Seoul) ‘COMETES’ Speaker and Sound Engeneering |
| 2007. 4 | ‘Spring Waltz’ (Sunh-nam Artcenter) |
| 2007. 5 | ‘BUTTERFLY 184′(Habiram Church) |
| 2007. 11 | Digital AV Show (COEX) |
| 2008. 4 | Exhibition of ‘Artists of Tomorrow, 33 Awardees’ (Sungkok Art Museum) |
| 2009. 1 | ‘RHEA W ORBIT’ CES Innovations 2009 Awards Honorees |
| (High Performance Audio part, Las Vegas, USA) | |
| 2009. 10 | ‘Pure beauty’ Sulwha Culture Exhibition by Amorepacific (Kring) |
| 2010. 1 | Audioland 2010 Awards Grandprix ‘PLANET’ |
| 2010. 5 | Muich High end Audio Show |
| 2010. 10 | Exhibition of ‘Design, Connection between Korean and Italy’ |
| 2010. 10 | Sulwha Culture Exhibition (Horim Art Center) |
| 2010. 11 | ‘Swan’ Reddot Design Award (Design Concept 2010) |
| 2011. 11 | ‘Big Dipper’ ‘Swan’ Reddot Design Award (Design Concept 2011) |
| 2014. 1 | What Hi-Fi Winner ‘AK240’ |
| 2014. 2 | Engadget Best of CES 2014 finalists ‘AK240’ |
| 2014. 3 | ‘ASTELL&KERN AK240’ Reddot Design Award 2014 |
| 2014. 5 | VGP 2014 Summer Gold Prize ‘AK240’,(Japan) |
| 2014. 7 | Robb Report-BEST of the BEST personal Technology ‘AK240’,(United States) |
| 2014. 11 | Audio Excellence Award 2015 ‘AK240’,(Japan) |
| 2014. 11 | VGP 2015 Prize ‘AK240’,(Japan) |
| 2014. 11 | PFO Audio Oasis! RMAF 2014 ‘AK240’,(United States) |
| 2015. 1 | What Hi-Fi Winner ‘AK500N’,(United Kingdom) |
| 2015. 1 | Part-Time Audiophile Best of 2014 ‘AK240’,(United States) |
| 2015. 3 | Reddot Design Award 2015 ‘Astell&Kern AK Jr’,(Germany) |
| 2015. 3 | Reddot Design Award 2015 ‘Astell&Kern AK500 Series’,(Germany) |
| 2015. 5 | Fujiya Avic-Headphone Festival Award Prize Gold ‘AK380’,(Japan) |
| 2015. 6 | VGP 2015 SUMMER Prize ‘AK240’,(Japan) |
| 2015. 6 | VGP 2015 SUMMER Prize ‘AK500N’,(Japan) |
| 2015. 10 | Audio Excellence Award 2016 Extra Prize ‘AK380’,(Japan) |
| 2015. 10 | Audio Excellence Award 2016 Prize ‘AK380’,(Japan) |
| 2015. 11 | CES Innovation Award 2016 ‘Astell&Kern AK380’,(Las Vegas, USA) |
| 2015. 11 | CES Innovation Award 2016 ‘Astell&Kern AK T1’,(Las Vegas, USA) |
| 2016. 2 | IF Design Award 2016 ‘Astell&Kern AK380’,(Germany) |
| 2016. 3 | Reddot Design Award 2016 ‘Astell&Kern AK T1’,(Germany) |
| 2016. 3 | Reddot Design Award 2016 ‘Astell&Kern AK320’,(Germany) |
| 2016. 3 | Reddot Design Award 2016 ‘Astell&Kern AK380’,(Germany) |
| 2016. 3 | The Absolute Sound-2016 Editors’ Choice Awards Portable Music Players ‘AK Jr’,(United States) |
| 2016. 3 | The Absolute Sound-2016 Editors’ Choice Awards Portable Music Players ‘AK240’,(United States) |
| 2016. 3 | The Absolute Sound-2016 Editors’ Choice Awards Portable Music Players ‘AK380’,(United States) |
| 2016. 3 | The Absolute Sound-2016 Editors’ Choice Awards Music Servers & Peripheral products ‘AK500N’,(United States) |
| 2016. 5 | VGP 2016 Summer Prize Gold ‘AK380’, ‘AK320′(Japan) |
| 2016. 5 | VGP 2016 Summer Prize ‘AK240’, ‘AK Jr’, ‘AK500N’, ‘AK T1′(Japan) | 2016. 10 | The Absolute Sound-2016 product of the year award ‘AK 380’,(United States) |
| 2017. 2 | IF Design Award 2017 ‘Astell&Kern AK70’,(Germany) |
| 2017. 2 | IF Design Award 2017 ‘Astell&Kern AK300’,(Germany) |
| 2017. 4 | Reddot Design Award 2017 ‘Astell&Kern AK70’,(Germany) |