After retiring of my own accord in July '22, working as a full-time advisor at a Hyosung U.S. corporation and is advising on how to participate in renewable energy projects (economic feasibility analysis, business system construction, M&A, etc.) based on the knowledge of the system operation of global power trading markets such as Korea, the United States, and the United Kingdom etc.

Head of ESS business in US1. As the head of ESS's U.S. business, established marketing (based on understanding the structure of the power trading market), established a sales, engineering, and service organization system, and promoted M&A2. Establishing relationships with major sub-vendors (battery and construction companies etc.) 1. Establishment of an engineering system suitable for the US market (recruitment of manpower and establishment of process) 2. Discovery of major key customers and establishment of partnership.

Position1. ESS & STATCOM Business Head 1) ESS Global sales: Global market development and branch management2) Business unit management - ESS, STATCOM business plan establishment Organization management (market research, sales, production, service, P/L management)2. Sales Head of Africa/Europe region 1) Sales organization management 2) Project development : Development of global power-related PJT ( including project financing) 3) Africa, Europe sales management for power products (transformers, circuit breakers, electrical equipment) and branch management1. Expansion and localization of the power product market (establishment of branch organization system)2. ESS Global Developed new markets and established business systems (USA, UK, South Africa, Malaysia, Senegal, Honduras, etc.)

Head of New Business ( PV EPC, ESS, PCS Sales & Production)- Business unit management - ESS, STATCOM business plan establishment Organization management (market research, sales, production, service, product development plan, P/L management)- No. 1 M/S achievement for ESS business in Korea on 2017~18 ( over 40% / It was below 10%)

Head of Overseas Sales of Ultra High Voltage Transformer

Team manager for Global sales team ( South America, Oceania, Africa)- Sales organization and branch management of power equipment & turnkey project.

Sales organization and branch management of VCB, ACB, Protection Relay.

Distribution Transformer Sales for domestic market