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Billy Kosuke Martyn Email & Phone Number
Co-founder and Co-CEO
at
Coursebase, Inc.
2 work emails found
@coursebase.co
1 phone found area 804
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Who is Billy Kosuke Martyn? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Billy Kosuke Martyn is listed as Co-founder and Co-CEO at Coursebase, Inc., based in Tokyo, Japan. AeroLeads shows a work email signal at coursebase.co, phone signal with area code 804, and a matched LinkedIn profile for Billy Kosuke Martyn.
Billy Kosuke Martyn previously worked as Co-founder & Co-CEO at Coursebase, Inc. and Futures & Options Analyst at Bloomberg L.P.. Billy Kosuke Martyn holds Ba, International Relations, Japanese Language & Literature from University Of Virginia.
Company email context
Email format at Coursebase, Inc.
This section adds company-level context without repeating Billy Kosuke Martyn's masked contact details.
{first_initial}{last}@coursebase.co
89% confidence
AeroLeads found 2 current-domain work email signals for Billy Kosuke Martyn. Compare company email patterns before reaching out.
Profile bio
About Billy Kosuke Martyn
Billy Kosuke Martyn is a Co-founder and Co-CEO at Coursebase, Inc.. He possess expertise in management, entrepreneurship, business strategy, start ups, marketing strategy and 1 more skills. He is proficient in English and Japanese.
Listed skills include Management, Entrepreneurship, Business Strategy, Start Ups, and 2 others.
Current workplace
Billy Kosuke Martyn's current company
Company context helps verify the profile and gives searchers a useful next step.
5 roles · 19 years
Billy Kosuke Martyn work experience
A career timeline built from the work history available for this profile.
Co-Founder & Co-Ceo
CurrentCoursebase is an enterprise SaaS application for managing employee training and analytics.
Oct 2010 - Present
Futures & Options Analyst
2009 - 2010
~1 yr
Asia-Pacific Real Estate Finance & Securitization Analyst
2008 - 2009
~1 yr
Intern
Jun 2007 - Aug 2007
2 education records
Billy Kosuke Martyn education
Ba, International Relations, Japanese Language & Literature
Education record
FAQ
Frequently asked questions about Billy Kosuke Martyn
Quick answers generated from the profile data available on this page.
What company does Billy Kosuke Martyn work for?
Billy Kosuke Martyn works for Coursebase, Inc..
What is Billy Kosuke Martyn's role at Coursebase, Inc.?
Billy Kosuke Martyn is listed as Co-founder and Co-CEO at Coursebase, Inc..
What is Billy Kosuke Martyn's email address?
AeroLeads has found 2 work email signals at @coursebase.co for Billy Kosuke Martyn at Coursebase, Inc..
What is Billy Kosuke Martyn's phone number?
AeroLeads has found 1 phone signal(s) with area code 804 for Billy Kosuke Martyn at Coursebase, Inc..
Where is Billy Kosuke Martyn based?
Billy Kosuke Martyn is based in Tokyo, Japan while working with Coursebase, Inc..
What companies has Billy Kosuke Martyn worked for?
Billy Kosuke Martyn has worked for Coursebase, Inc., Bloomberg L.P., Credit Suisse Securities (Japan) Ltd., and Blackrock Japan Co. Ltd..
How can I contact Billy Kosuke Martyn?
You can use AeroLeads to view verified contact signals for Billy Kosuke Martyn at Coursebase, Inc., including work email, phone, and LinkedIn data when available.
What schools did Billy Kosuke Martyn attend?
Billy Kosuke Martyn holds Ba, International Relations, Japanese Language & Literature from University Of Virginia.
What skills is Billy Kosuke Martyn known for?
Billy Kosuke Martyn is listed with skills including Management, Entrepreneurship, Business Strategy, Start Ups, Marketing Strategy, and Investment Banking.
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