SIGMACHAIN - Key Persons


Dennis Oh - COO, CSO

Job Titles:
  • COO
  • CSO
Results-oriented executive with strong strategic planning skills in growing business models focused on horizontal and vertical expansion based on the core value chain of the business model Former CEO of a savings bank Former Director of Nexus Startup Investment Company Experience with KOSDAQ listing (Modia, Netmarble) Possesses a track record of understanding and successfully consulting on various business models and M&A through consulting for over 2,000 companies in different fields Bachelor's, Master's, and PhD coursework completed in Industrial Engineering at KAIST

Dongyoon Shin

Current Marketing advisor for the Rural Development Administration's distribution marketing committee Current Advisory member for the Smart Challenge Business in Bucheon City Former Marketer and web consultant for over 30 major internet companies such as Joinsdotcom, Naver, and Empas Former Expert in the internet field for Paxnet Former Co-founder of the online vaccine company Everyzone, famous for Turbo Vaccine Former Co-founder of Cuckoo Communications, a platform for automatic address book Former Chief Marketer at NHN Corporation

Ethan Jung - CSO

Job Titles:
  • CSO
Top strategic executive with diverse industry experience in manufacturing, public, telecommunications, and finance Current CEO of ESG Insights Group Former PM and Technology Director at domestic and international companies such as KT (KTF), Samsung Electronics Future Strategy Office, SK E&C, and Philip Morris International Diverse industry experience in manufacturing, public sector, telecommunications, and finance Graduated from KAIST major in Industrial Engineering and Computer Science

GunSoo Yoon

Former Organizational member of the Korea Beauty Alliance Former Professor for the Korea Productivity Center's university employment program Former Invited lectures on creating the next generation of financial professionals at the Korea Productivity Center Former Chief lecturer at Hacker's Financial Academy Former Faculty member of the Korea Financial Investment Association Former Director at COREANA Cosmetics ORTHIA Former CIO of Yellow Mobile, O2O of Dalli Communication Authored approximately 60 books including regulatory explanations on capital market laws and textbooks for the Korea Financial Investment Association Received an award at the Ministry of Culture, Sports and Tourism's 3.0 Culture Data Utilization Contest

Hyoung Yong Joon - CIO

Job Titles:
  • CIO
Co-founded the world's first social media platform Cyworld and single community Co-founded VideoWiki and Storyblender, the first nominated Asian finalists in TechCrunch 40. Former platform team leader at NHN's new business division Spread Korean knowledge services to Adam, co-founder of Quora.com, the largest social Q&A service in the United States and former CTO of Facebook Graduated from KAIST with a degree in Business Administration

Jangjun Yun

Current CEO of Dubhe Co., Ltd. Current Technical advisor at the Korea Software Industry Association Formerly Operated the smart specialized team at Shinhan Bank Formerly Built a blockchain-based personal information management system at Shinhan Bank Formerly Built an AI-based video evidence analysis system for the Korean National Police Agency Formerly Established a big data Proof of Concept (POC) production center in collaboration with Google at LG Display Formerly Built GCRM/GVOCM (Global Customer Relationship Management/Global Voice of the Customer Management) systems for Hyundai and Kia Motors

Jinyeong Yang

Currently Establishing and managing the first Law café in South Korea Current Managing partner and attorney at Onnuri Law Firm Current Chairman at Onnuri Counseling Association for Human Psychology Current Chairman of the Korea-China Cultural Ansan Forum Former Deputy Chairman of the Gyeonggi Province branch of the Saenuri Party Passed the 38th Judicial Examination Ph.D. in Business Administration with a major in Management Consulting from Hanyang University Graduate School Graduated from Korea University Law School with a Master's degree in Law

Kim Do Yeon

Job Titles:
  • Advisor

Kwangsik Choi

Former Audit Committee Member of Korea Gas Corporation Former Chairman of the Board of Directors of Korea Gas Corporation Former External Director of Korea Gas Corporation Former CEO of Korea City Airport Terminal Former CEO of Daehan Oil Pipeline Corporation (2006-2010) Former CFO of SK Group overseeing financial management Recipient of the 1st Korea CEO Leadership Award in the Transparent Management category in 2011 Recipient of the 2nd Trusted CEO Award in the Public Administration category in 2008 Ph.D. in Business Administration from Yeungnam University Graduate School