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Our VISION is to become a trusted go-to consulting firm that US and Korean companies and government entities find valuable advice and guidance from regarding US and Korea defense industrial cooperation and offset matters.


Hwa Yu



Hwa has over 20 years experience working with the U.S. military community, including direct support of U.S.-Korea combined exercises and operations. In the capacity as Chief DAPA Liaison & FMS Program Management Branch, JUSMAG-K, US Embassy, Seoul, she gained and leveraged specialized knowledge and experience in the defense acquisition systems of both U.S. and Korea to promote the alliance, handling matters ranging from security cooperation/ technology security/export control policies to foreign military sales (FMS) programmatic issues. Her dedicated service coupled with her experience help her clients accomplish success.

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 ​Mirim Nam

 Director, Marketing & Strategy

Prior to joining Delta One as Director, Mirim spent her 20 years of professional career at the U.S. Embassy in Seoul as Senior Economic Specialist. During her time with the U.S. State Department, she provided invaluable insight into development through her expertise networks of contacts in the South Korean government and business community. Mirim’s portfolio also included Blue Lantern investigations, which ensured sensitive technologies transferred to South Korean companies were being used for their intended purposes, and providing sophisticated analysis of South Korea’s industrial sectors.


 James has over three decades of high-level, private sector/military experience. Over the years, he has built a solid reputation for his ability to provide world-class consulting and advisory services to key players within the aerospace and defense industries. Jim is recognized as a global industry expert who  offers a unique combination of international business development and program management experience coupled with entrepreneurial expertise/leadership in developing collaborative solutions in diverse business and service sectors. He offers an unwavering commitment to excellence, dedication towards achieving success, and a sincere belief in his ability to provide dynamic leadership.

 ​James Grzella

 Senior Advisor


Duksan Ryu

Technology Advisor

Duksan has more than 20 years of software-related R&D experience and is currently serving as an associate professor at Jeonbuk National University. His research areas include Software Engineering for Artificial Intelligence based Systems (SE4AI) and Application of Artificial Intelligence Techniques for Software Engineering (AI4SE). He has published more than 80 papers in that field of research. He graduated from Carnegie Mellon University with a master's degree. And he earned a PhD. from the Korea Advanced Institute of Science and Technology (KAIST). Link to his Homepage

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