To provide new avenues for future revenue growth, chairman Lee laid out five new business areas in which Samsung plans to invest some $20 billion by 2020. The five areas include(in order of size of invest ment): LED lighting, solar panels vehicle batteries biotech drugs, and medical devices Succession planning is another challenge Sam sung is facing The family of the late founder, Lee Byung-Chul, still controls a majority of the shares. At 71, Lee Kun-hee has long-groomed his eldest son Jay Y.