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Management Staff

Staff Background
WJ Roh (Ph.D.)

2012 ~

CEO & Founder

2007 ~ 2011

A123systems, VP,
Product development /
factory construction /
operation in China and US

2001 ~ 2006

Enerland, Founder,
Production of high-power
Li ion cells

1995 ~ 2000

Samsung SDI, Manager,
Cell development and
process engineering

1995

Seoul National University,
Ph.D. Electrochemistry

YB Roh (Ph.D.)

2018 ~

CTO, Materials and
new cell system

2013 ~ 2017

EIG, CTO, Material /
Cell development /
production

2010 ~ 2011

L&F NM, CTO, Cathode
material development
and production

1995 ~ 2000

Samsung SDI, Manager,
Cell development and
plant engineering

1995

Osaka University,
Ph.D. Electronics

YH Chang

2019 ~

VP, Cathode material
specialist

2011 ~ 2016

JH Chemical, CEO,
NCM precursor development
and production

2006 ~ 2011

L&F NM, General Manager,
Cathode material development
and production

1983 ~ 2005

Samsung SDI,
General manager, Li ion cell
development and production /
operation

1977

Pusan University,
Mechanical engineering

SJ Hong

2012 ~

VP, Electrode engineering

2007 ~ 2011

A123systems,
Electrode process
and manufacturing

2001 ~ 2006

Samsung SDI, Electrode
process and production

1986 ~ 2001

Saehan Media,
Oxide development,
Tape coating

1986

National Chungju University

WJ Jeon

2012 ~

COO, Head of engineering

2008 ~ 2011

A123systems, Director,
Plant design / construction /
operation

2004 ~ 2007

Enerland, Plant construction /
production of high-power
Li ion cells

1997 ~ 2003

Bexel, Kokam, ETI,
Plant construction /
Cell production

1996

Sangji University

JM Jung

2021 ~

Head of Cathode material

1999 ~ 2020

LG Chemical,
EV cell development

1996 ~ 1998

Applied Materials

1996

Seoul National University,
Master, Electrochemistry

TG Jung

2022 ~

CFO

2020 ~ 2022

TFE, Head of management department

2010 ~ 2020

C-tri, Accounting /
human resources /
disclosure team leader

1998 ~ 2009

Sinheung, accounting team,
Hwa-in ATC,
management chief

2004

Gyeongsang National University,
Master, Accounting