Jack X Email & Phone Number
Co-Founder, CTO @ Sign
5 free lookup(s).
If you need more lookups,
subscriptions start at $34 USD/month.
Jack X Location
- Irvine, CA, US
Jack X Work
- 2020 -now Co-Founder, CTO @
- 2022 -2025 Adjunct Lecturer (Blockchain) @
- 2021 -2021 Technical Advisor @
- 2021 -2021 Teaching Assistant (Python) @
- 2020 -2021 Teaching Assistant (Blockchain) @
- 2020 -2021 Teaching Assistant (iOS) @
- 2020 -2020 Head Course Producer (Java) @
- 2020 -2020 Course Producer (Java) @
- 2019 -2020 Head Course Producer (Java) @
- 2019 -2019 Software Engineer Intern, iOS @
- 2019 -2019 Software Engineer Intern @
- 2019 -2019 Course Producer (Java) @
- 2017 -2018 iOS App Developer @ Vendyr inc.
- 2017 -2017 Media Director @ Chinese Scholars and Students Association, Chapman University
- 2014 -2014 Assistant Editor @
Jack X Education
- University of Southern California
Master of Science - MS (Computer Science)
2021-2021 - University of Southern California
Bachelor of Science - BS (Computer Science)
2018-2020 - Chapman University
Bachelor of Science (BS) (Computer Software Engineering)
2016-2017 - Chapman University
Bachelor of Arts - BA (Digital Arts)
2015-2016 - Southlands Christian Schools
High School Diploma
2012-2015
Jack X Skills
- Ethereum
- Java
- Swift
- Film
- Graphic Design
- Video Production
- Photography
- Video Editing
- Video Games
- Editing
- Cinematography
- Publicity
- Social Media
- Digital Photography
- Video
- Video Post-Production
- Videography
- Multimedia
- Digital Media
- iOS Development
- Flutter
- web3.js
- Adobe Photoshop
- Adobe Creative Suite
- Microsoft Office
- Adobe Illustrator
- Final Cut Pro
- Adobe Premiere Pro
- After Effects
- Mac
- Blockchain
- C++
- Solidity
- Quorum
Jack X Summary
- Jack X, based in Irvine, CA, US, is currently a Co-Founder, CTO at Sign. Jack X brings experience from previous roles at University of Southern California and Blockchain at USC. Jack X holds a 2021 - 2021 Master of Science - MS in Computer Science @ University of Southern California. With a robust skill set that includes Ethereum, Java, Swift, Film, Graphic Design and more. Jack X has 2 mobile phone numbers on RocketReach.
Looking for a different Jack X?
Find contact details for 700 million professionals.
Top Sign Employees
Sook Hwang
Korea Representative
South Korea
Jack X
Co-Founder, CTO
Irvine, CA, US
Potter Li
Co-Founder
Los Angeles, CA, US
Xin Yan
Co-founder, CEO
New York, NY, US
Jordan Bettencourt
Prototype Development Lead
Visalia, CA, US
Leo Li
Product Manager
Los Angeles, CA, US
Justin Zhang
Product Manager
California, United States
Wayne Wang
投资人
Menlo Park, CA, US
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co