Silicon Valley, US

Kiha Lee, Partner

Kiha earned his PhD in Mechanical Engineering and MS in Computer Science from University of California, Berkeley. He co-founded Sazze, Inc. in Silicon Valley in 2005 and serves as CEO. Sazze, Inc. is a parent company to a number of fast-growing eCommerce sites including,, and Lately (formerly ShopLately). In 2012, he joined Primer as a partner, and in 2014 he launched Sazze Partners, a Silicon Valley-based venture capital firm that invests in Korea and the U.S. Kiha currently lives and works in Silicon Valley. To meet more Korean startups, he makes frequent business trips to Korea as well as holds conference calls over Skype.

Greg Kwangrog Kim, Partner

Kwangrog co-founded Sazze, Inc. in 2005 and serves as CFO, overseeing finance and human resources, and supervising strategy, product management and online marketing on various company projects.  He set up several eCommerce projects at Sazze, Inc., including, and Progrids. Kwangrog co-founded Sazze Partners in 2014. He focuses on transformative consumer tech companies. Prior to co-founding Sazze, Kwangrog studied Civil Engineering at University of California, Berkeley. Kwangrog currently lives in Silicon Valley and works in Silicon Valley and Seoul

Aviram Jenik, Venture Partner

Aviram is an Israeli angel investor and serial entrepreneur living in Seoul and Silicon Valley.
He is the Founder and CEO of Beyond Security, a leading provider of security testing tools. His experience includes two successful exits with previous startups.

Since 2013, he has been actively investing in Korean startups and has personally invested in 17 Korean startups to date and actively mentors many others.

He received a Master of Business Administration from Tel Aviv University and a B.S. in Computer Science from the Technion - Israel Institute of Technology.

Kasey (Kyungsil) Roh, Principal 

Prior to joining Primer Sazze, Kasey (Kyungsil) managed over $10 billion in capital investment at Facebook, leading the company's capital allocation strategy, due diligence analysis, and executive portfolio reporting. Before Facebook, she worked at Tesla during its explosive growth, expanding its asset-based financing portfolio from multi-millions to billion dollars.

While working full-time, Kasey co-founded Iterative Venture, an angel investment community for Facebook alumni, and grew it into over 1,000 LPs and led multiple deals. She also operates a real estate investment syndicate, investing in residential assets in the SF bay area. She believes in hustling with heart and lives by a motto that she learned from Facebook: "What would you do if you weren't afraid?"

Kasey holds a master's degree in Economics/ Finance from Johns Hopkins University and a bachelor's degree in International Relations from Seoul National University. 

Seoul, South Korea

Do Gyun Guen, Partner

Do Gyun (Douglas) is the founder and Chief Executive Officer of Primer, Inc. (“Primer”), the first Korean startup accelerator. Previously, he established five technology businesses, including INITECH (password authentication), INICIS (payments), and KMPS (credit card processing). First Data purchased INITECH, and Mr. Guen served as CEO of First Data International Korea, Inc. Two of the companies have been registered on the KOSDAQ. Do Gyun graduated from Kyungpook National University in 1986 and worked as a computer programmer and researcher for 11 years at Kia Motors and DACOM. Do Gyun currently focuses on mentoring new entrepreneurs in Korea through Primer.

Sukhyun Kim, Partner

Sukhyun Kim has over 15 years of professional experience in Finance, Gaming, Healthcare, and Ad-Tech from CRIT Ventures, Com2uS, Neowiz, IGAWorks, Mirae Asset, and INFINITT Healthcare.
Prior to joining Primer Sazze as a Partner, he was Executive VP at CRIT Ventures, a venture capital firm that focuses on global interactive content.  He led multiple successful investments at CRIT Ventures with expertise in interactive content, AI, Tech, and ICT service.
He used to be the head of corporate development at Com2uS, a leading developer and publisher of mobile games, and managed the company’s M&A, Investment, and Corporate Strategy.  
Sukhyun holds B.A. in German Language Education from Seoul National University.

Ohsang Kwon, Partner

‌Ohsang was Director General at the Financial Supervisory Service (FSS) in Korea, before co-founding Primer Sazze. Prior to that, he taught and did research on finance and technology management at CHA University and Korea Advanced Institute of Science and Technology (KAIST). Before professorship, he worked for Deutsche Bank, Hong Kong and Seoul, as Director, and for Barclays Capital, London and Singapore. He also worked for Kia Motors and Samsung SDS as engineer for 8 years. His several books on finance and technology were bestsellers. He holds an MBA from INSEAD, Fontainebleau, France and obtained his PhD in Mechanical Engineering from University of California, Berkeley.