Company name
Coursebase, Inc.

Incorporation date
March 26, 2012

Capital stock
400 million yen

Headquarters
Shibuya-ku, Tokyo 150-0001
3-42-2 Jingumae
VORT Gaienmae III, 7F

Representatives
John Martyn (Hideyoshi Kuroda)
Billy Martyn (Kosuke Kuroda)

Contact Us
enterprise@coursebase.co

Co-Founder / Co-CEO

John co-founded Coursebase with his brother Billy and childhood friend Frank in 2012. As Co-Founder and Co-CEO, John oversees Coursebase’s sales, partnerships and investor relations. Before co-founding Coursebase, John worked at asset management firm BlackRock in New York where he managed sales and relationships with Japanese institutional clients. John graduated from George Mason University in 2007 with a B.A. in Global Affairs and studied abroad at Sophia University in 2006. John spent his grade school years living overseas in Paris (France), Islamabad (Pakistan), Lahore (Pakistan) and Jubail (Saudi Arabia) due to his father’s work as a U.S. diplomat. John is bilingual in English and Japanese.

Co-Founder / Co-CEO

Billy co-founded Coursebase with his brother John and childhood friend Frank in 2012. As Co-Founder and Co-CEO, Billy oversees Coursebase’s product design, product management and business operations. Before co-founding Coursebase, Billy worked at investment bank Credit Suisse and at financial data firm Bloomberg in Tokyo where he led the Futures & Options desk in Asia. Billy graduated from the University of Virginia in 2008 with a B.A. in Foreign Affairs and Japanese Language and Literature, and studied abroad at Kyoto University in 2007. Billy spent his grade school years living overseas in Paris (France), Islamabad (Pakistan), Lahore (Pakistan) and Jubail (Saudi Arabia) due to his father’s work as a U.S. diplomat. Billy is bilingual in English and Japanese.

Co-Founder / CTO

Frank co-founded Coursebase with his childhood friends Billy and John in 2012. As Co-Founder and CTO, Frank oversees Coursebase’s engineering. Before co-founding Coursebase, Frank worked at Deloitte Consulting in Washington D.C. where he led several systems integration projects for government clients. Frank graduated from the University of Virginia in 2009 with a B.S. in Information Technology and Finance. Frank spent his grade school years living in the Washington D.C. metropolitan area due to his father’s work as an engineer in the aerospace sector.

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