- Company:As of May 2024, ICTK has successfully completed its IPO process in KOSDAQ.. ICTK (ICTK for PUF security chip production and related services and Bureau Veritas ICTK for the global payment testing lab) is a chip-based security solution and a global testing service provider. ICTK is the world's first "mass producer" of a digital fingerprint called PUF, physicially unclonable functions. It functions as a "root of trust" and a hidden helper to securely encrypt and store sensitive data. This unclonable identification and encryption key applies to smart devices as end nodes such as smart grids, intelligent automobiles, and many other IoT sectors for secure yet flexible designs without cost burden. ICTK's unique passive circuit (Via Holes) PUF makes the most secure yet economical PUF design ever for applications to various communication/IoT/Key/Software applications. BV ICTK has been one of the leading smart card testing service and consulting labs for the last 18 years, serving more than 200 clients worldwide, including manufacturers, banks, and government agencies. ICTK has fully satisfied all of the specified standards required by EMVCo, Visa, JCB, Discover, Global Platform, NFC Forum, and KOLAS (ISO/IEC 17025). In December 2017, the smart payment testing division was acquired by Bureau Veritas, a global leader in testing, inspection, and certification founded in 1828.(https://www.bureauveritas.com/home/news/corporate-news/ictk+acquisition)The security chip division is now ICTK Holdings Co., Ltd.- Responsibility:Responsible for business planning & development, finance, internal coordination, and overseas relations.Led the share transfer process of the testing division to Bureau Veritas and functions as the GM.A member of the Board of Directors and the leading shareholder of ICTK Holdings.http://www.ictk.comhttp://www.facebook.com/ictk4safety

World's first communication device for steel making environment built for ladles with over 350°C surface temperature. It connects real-time refractory sensors for bubbling plugs, temperature data collection for molten irons. Added services such as location data and many others are possible.Winner of Paul Wurth's (a leader in furnace and related system engineering) incub industry 4.0 program in 2017 and now closely working with Korea's largest steel mill and refractory companies for smart factory modifications.http://www.iexcello.com/page_VoSB63

- SNS start-up: a stat-based date referral service using Facebook profiles, "Serend.pt."- Venture Incubation projects include: garagestory (blog for automobile reviews and imported-car price quote service), ICTK (Physical Unclonable Functions for security in semi-conductors and others), vitaminMD (Hansol Healthcare's online health content/community service), Glofinn (an innovative medical device kit for various growth-factor treatments), and hostIT (a viral referral app connecting small businesses-new quality customers, customers-referral earnings, and new customers/peers-info and extra service).- Responsible for general advising.

Launching of the most advanced and the most simple-to-use Centrifuge with PRP system in America: The system has finally been launched its sales starting in Europe since 2011. It is being applauded by PRP experts for its high level of concentration regardless of the patient's RBC (Red Blood Cell) level--hence resulting in better efficacy and its control-ability by physicians. PRP treatment is designed for orthopedics treatments (in the US)--pain and others, while it is being applied for cosmetic reasons at the same time (in Europe and Asia). A specialized set for hair-loss control is to be released soon. Related companies: Glofinn Oy., GloTech Co., Ltd., GloAsia Co., Ltd.http://www.glofinn.com

Korea's leading recycling and scrap processing company, as nation's first and only public company with marine network system and various separation technologies, it now expands its overseas network.- Responsible for establishment of overseas relations, and coordinating divisions/departments.

Nano medical technology: developed "nano coating" process through SAM's (self-assembled monolayer) technology for the bonding between titanium & BMP's. It carries numerous chemical building blocks and the research pipeline includes new drug discovery for ischemic stroke with zinc-chelation approach.