DH is an entrepreneur, investor, writer, and educator. Since he started his business career at Merrill Lynch in New York, he has executed multiple capital raises, mergers and acquisitions, and going public/private transactions as lead advisor as well as business principal. He started NMC in 2008, developed NMC Moland Mine into production in 2010, and went public with it in Canada. DH was also Executive Vice President of Dongwon Corporation where he restructured and ran multiple business operations. He has taught corporate finance, financial accounting, strategies, and leadership at major universities across the world including Columbia University and Korea University, and leading multinational tech companies.