David Yu: Email & Phone Number

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Co-Founder & CEO at Hanji|San Francisco Bay Area, United States

Position:

Co-Founder & CEO at Hanji

Location:

San Francisco Bay Area, United States

View David Yu's Email

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Last updated: 2026-07-19

Updated: 2026-07-19

Found email addresses for David Yu:

Business emails:

d***d@youlearn.ai,

d******u@youlearn.ai,

d***d@twaphoto.com

Personal emails:

1********1@gmail.com

Found phones for David Yu:

+1-520-***-**23,

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

+1-520-***-**02,

+1-205-***-**20

A different David Yu?

Work Experience 3 years

Co-Founder & CEO at Hanji

Jul 2026 - Current

Co-Founder & CEO at YouLearn

Oct 2023 - Current

Co-Founder at Mini AI

Aug 2024 - Oct 2024

Workshop Director at AI Club at MSU

Apr 2023 - Aug 2024

David Yu started working in 2023, then the employee has changed 3 companies and 2 jobs. On average, David Yu works for one company for 1 year 1 month.

Their professional focus is Amazon Web Services (AWS), Artificial Intelligence (AI), and C++ across 3 core areas.

Education

P25 at Y Combinator

Dropout at Michigan State University

buildspace

Frequently Asked Questions

What is David Yu's email address?

SignalHire found verified email addresses for David Yu, both business and personal. Their business email is d***d@youlearn.ai, and personal emails include 1********1@gmail.com.

What is David Yu's phone number?

SignalHire found multiple verified phone numbers for David Yu: +1-520-***-**23, +1-520-***-**63, and +1-520-***-**02.

How do I contact David Yu at Hanji?

You can reach David Yu 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 David Yu's professional background?

David Yu has 3 years of professional experience. They have held roles including Co-Founder & CEO, Co-Founder, and Workshop Director at companies such as YouLearn, Mini AI, and AI Club at MSU. Their education includes P25 from Y Combinator, and Dropout from Michigan State University.

Is David Yu's contact information up to date?

Yes. David Yu's SignalHire profile was last updated on 19 July 2026, reflecting their current position as Co-Founder & CEO at Hanji.

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