Jay Ryu: Email & Phone Number

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Managing Director at Checkmate Capital Group, LLC.|San Francisco, California, United States

Position:

Managing Director at Checkmate Capital Group, LLC.

Location:

San Francisco, California, United States

View Jay Ryu's Email

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Last updated: 2026-08-29

Updated: 2026-08-29

Found email addresses for Jay Ryu:

Business emails:

j*****u@relay2.com,

*a*@dfjathena.com

Personal emails:

j******0@gmail.com,

g********u@gmail.com

Found phones for Jay Ryu:

+1-909-***-**18,

+1-323-***-**25,

+1-520-***-**63,

+1-480-***-**99

A different Jay Ryu?

Work Experience 23 years

Managing Director at Checkmate Capital Group, LLC.

Jan 2021 - Current

Co-CEO at Giant Leap Holdings

Oct 2024 - Current

Director @ DFJ Athena at Draper Venture Network

Jan 2011 - Jan 2017

Associate at Samsung C&T Corporation

Jan 2003 - Jan 2008

Jay Ryu started working in 2003, then the employee has changed 3 companies and 3 jobs. On average, Jay Ryu works for one company for 4 years 8 months.

Their professional focus is Analytics, Architecture, and Business Development across 3 core areas.

Education

Master of Business Administration (M.B.A.) at Stanford University Graduate School of Business

Master of Science (M.S.) at Stanford University

Architecture at University of California, Berkeley

Frequently Asked Questions

What is Jay Ryu's email address?

SignalHire found verified email addresses for Jay Ryu, both business and personal. Their business email is j*****u@relay2.com, and personal emails include j******0@gmail.com, and g********u@gmail.com.

What is Jay Ryu's phone number?

SignalHire found multiple verified phone numbers for Jay Ryu: +1-909-***-**18, +1-323-***-**25, and +1-520-***-**63.

How do I contact Jay Ryu at Checkmate Capital Group, LLC.?

You can reach Jay Ryu through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Jay Ryu's professional background?

Jay Ryu has 23 years of professional experience. They have held roles including Co-CEO, Director @ DFJ Athena, and Associate at companies such as Giant Leap Holdings, Draper Venture Network, and Samsung C&T Corporation. Their education includes Master of Business Administration (M.B.A.) from Stanford University Graduate School of Business, and Master of Science (M.S.) from Stanford University.

Is Jay Ryu's contact information up to date?

Yes. Jay Ryu's SignalHire profile was last updated on 29 August 2026, reflecting their current position as Managing Director at Checkmate Capital Group, LLC. in Los Angeles, California, United States.

Jay Ryu Namesakes

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Jay Ryu

NSLHD

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Jay Ryu

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Checkmate Capital Group, LLC.

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Checkmate Capital Group, LLC.

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