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Joo Hyung Lee Email & Phone Number
Head of Artificial Intelligence
at
MarqVision (YC S21)
LinkedIn matched
✓ Verified August 2026
3 data sources
Profile completeness 100%
Current company
Role
Head of Artificial Intelligence
Location
Seoul, South Korea, United States
Company size
Who is Joo Hyung Lee? Overview
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Quick answer
Joo Hyung Lee is listed as Head of Artificial Intelligence at MarqVision (YC S21), a with 204 employees, based in Seoul, South Korea, United States. AeroLeads shows a matched LinkedIn profile for Joo Hyung Lee.
Joo Hyung Lee previously worked as CTO at Desilo Inc. and Senior SWE & Technical Lead at Google. Joo Hyung Lee holds Doctor Of Philosophy (Ph.D.), Electrical Engineering from Stanford University.
Company email context
Email format at MarqVision (YC S21)
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MarqVision (YC S21)
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Profile bio
About Joo Hyung Lee
- Innovative Engineer and Motivated Manager with a Dual Focus on Data/ML and Team Building -As an engineer, I specialize in creating impactful data and machine learning products using the latest technologies. My experience spans the full development spectrum, from designing low-level frameworks to crafting intuitive user interfaces, and translating cutting-edge research into real-world applications.In my managerial role, I’m dedicated to fostering high-performing engineering teams. I have a proven track record of building and leading teams of 10+ members, driving both productivity and innovation.I welcome the opportunity to connect on LinkedIn to discuss emerging technologies and explore new opportunities.
Listed skills include Data Science, Machine Learning, Statistical Data Analysis, Statistical Modeling, and 13 others.
Current workplace
Joo Hyung Lee's current company
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Marqvision (Yc S21)
7 roles
Joo Hyung Lee work experience
A career timeline built from the work history available for this profile.
Cto
Product Owner- Built and led a product team consisting of a Product Manager, Designer, and ~10 engineers with a clear direction.- Launched a SQL-based secure statistical calculation platform and released updated versions monthly for a year.- Managed a government-funded project, drove B2B sales, and developed new business opportunities by leading stakeholder engagement.Tech Lead Manager- Designed and developed an end-to-end performance-sensitive computing platform, enhancing capacity, speed, reliability, and utility.- Maintained the computing platform in production, achieving 99.5% uptime.- Established team culture, set clear expectations, and implemented an efficient structure, to improve team productivity.
Feb 2023 - Aug 2024
Senior Swe & Technical Lead
Tech lead manager of Core ML - Model Optimization (tensorflow.org/model_optimization)- Had ownership of open-sourced tensorflow model optimization toolkit.- Compressed Google internal ML models for efficiency. - Developed stable and efficient graph transformation from in MLIR- Developed compression techniques and libraries with research Tech lead of Google Weather & Google Finance - Had ownership of service with millions of DAU on multiple surfaces (Google Search & Assistant)- Led UI team to develop new features by communicating with product stakeholders. - (IC) Improved serving and monitoring system with infrastructure teams.
Jul 2017 - Feb 2023
Senior Machine Learning Researcher
Machine learning based product ranking development for e-commerce market- Improved ranking algorithm with ML and feature engineering. - Conducted internal lectures about deep learning.
Oct 2016 - Jun 2017
Machine Learning Researcher / Team Lead
Machine learning feature development for smart devices by leading a team. - Developed 30+ features include LG Smart Keyboard and KnockCode. - Built e2e process for ML feature development. - Conducted internal lectures and academic collaborations.
Dec 2012 - Oct 2016
Quantitative Researcher
Jemoody
New quantitative trading strategy development for inter-market commodity spread. (Simulated Sharpe ratio: 3.07)
Jul 2012 - Dec 2012
Student Researcher
Optimal trading strategy development with various illiquid assets
Jan 2011 - Jun 2012
Team & coworkers
Colleagues at MarqVision (YC S21)
Other employees you can reach at marqvision.com. View company contacts for 204 employees →
허
허정수
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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MK
Miyeon Kim
Colleague at Marqvision (Yc S21)South Korea, Korea, Republic Of
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WK
Wonji Kim
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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UJ
Unjin Jang
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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YC
Yeji Choe
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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MK
Minjeong Kim
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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OP
Ohnyu Park
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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WK
Wonjoon Kim
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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YH
Yoobin Han
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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정
정주현
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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허정수
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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MK
Miyeon Kim
Colleague at Marqvision (Yc S21)South Korea, Korea, Republic Of
View →
WK
Wonji Kim
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
View →
UJ
Unjin Jang
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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YC
Yeji Choe
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
View →
MK
Minjeong Kim
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
View →
OP
Ohnyu Park
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
View →
WK
Wonjoon Kim
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
View →
YH
Yoobin Han
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
View →
정
정주현
Colleague at Marqvision (Yc S21)Seoul, South Korea, Korea, Republic Of
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2 education records
Joo Hyung Lee education
Doctor Of Philosophy (Ph.D.), Electrical Engineering
Stanford University
Master Of Science (Ms), Financial Mathematics
Stanford University
FAQ
Frequently asked questions about Joo Hyung Lee
Quick answers generated from the profile data available on this page.
What company does Joo Hyung Lee work for?
Joo Hyung Lee works for MarqVision (YC S21).
What is Joo Hyung Lee's role at MarqVision (YC S21)?
Joo Hyung Lee is listed as Head of Artificial Intelligence at MarqVision (YC S21).
Where is Joo Hyung Lee based?
Joo Hyung Lee is based in Seoul, South Korea, United States while working with MarqVision (YC S21).
What companies has Joo Hyung Lee worked for?
Joo Hyung Lee has worked for Marqvision (Yc S21), Desilo Inc., Google, Coupang, and Lg Electronics.
Who are Joo Hyung Lee's colleagues at MarqVision (YC S21)?
Joo Hyung Lee's colleagues at MarqVision (YC S21) include 허정수, Miyeon Kim, Wonji Kim, Unjin Jang, and Yeji Choe.
How can I contact Joo Hyung Lee?
You can use AeroLeads to view verified contact signals for Joo Hyung Lee at MarqVision (YC S21), including work email, phone, and LinkedIn data when available.
What schools did Joo Hyung Lee attend?
Joo Hyung Lee holds Doctor Of Philosophy (Ph.D.), Electrical Engineering from Stanford University.
What skills is Joo Hyung Lee known for?
Joo Hyung Lee is listed with skills including Data Science, Machine Learning, Statistical Data Analysis, Statistical Modeling, Matlab, Python, Data Mining, and Stochastic Optimization.
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