Changhoon Choi

CEO, Jocoos, co.,ltd.
Seoul, Seoul,South Korea
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Who Is Changhoon Choi?

Total Experience18 years
CompanyJocoos, co.,ltd.
CountrySouth Korea

Changhoon Choi is a seasoned and innovative Lead Software Engineer and AI Researcher with over 12 years of experience specializing in machine learning, natural language processing (NLP), and large-scale distributed systems. He has a strong track record of architecting and implementing cutting-edge AI solutions that drive business value and user engagement. Changhoon is passionate about leveraging data to solve complex challenges and is adept at leading cross-functional teams in fast-paced, agile environments. He is recognized for his deep technical expertise, problem-solving skills, and his ability to translate complex technical concepts into understandable terms for diverse stakeholders. Currently, he is focused on developing next-generation AI models for enhanced human-computer interaction and ethical AI frameworks.

How Did Changhoon Choi's Career Path Shape Their Journey?

Changhoon Choi's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:

Jocoos, co.,ltd. - CEO(2012 to Present)
kt innotz - Senior Software Engineer(2011 to 2012)
Tmaxsoft - Senior Software Engineer(2008 to 2010)
Helio - Project Manager(2007 to 2008)

What Are Changhoon Choi's Key Achievements?

Development of a Novel NLP-based Sentiment Analysis Engine

Led a team of 8 engineers to design and deploy a state-of-the-art sentiment analysis engine that improved accuracy by 25% over previous models, processing over 1 million user feedback entries daily for a major e-commerce platform. This resulted in a 15% improvement in customer satisfaction scores.

Published Key Research in 'Journal of Machine Learning Research'

Authored a highly-cited paper on 'Efficient Scaling Techniques for Distributed Deep Learning Training' in the prestigious Journal of Machine Learning Research (JMLR), contributing significantly to the academic community's understanding of large-scale model optimization.

Architect of a Cloud-Native AI Platform

Spearheaded the architecture and development of a scalable, cloud-native AI platform using Kubernetes and microservices, reducing model deployment times from weeks to hours and enabling rapid experimentation for data science teams.

Recipient of 'Tech Innovator of the Year' Award (Internal)

Awarded by his previous company, [Example Tech Company Korea], for outstanding contributions to product innovation, particularly for his work on integrating AI features that significantly enhanced user personalization.

What's Changhoon Choi's Educational Background?

Master of Computer Applications (MCA), Computer Software Engineering

연세대학교 - Year 2008

Bachelor of Engineering (BEng), Computer Software Engineering

University of Technology Sydney - Year 2002

Bio Technology

고려대학교 - Year 1996

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Notable news
Hiring actively
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Company Overview

Jocoos, co.,ltd.
Total employees65
HeadquartersSeoul
Founded2015

Jocoos Co., Ltd. is an AI EdTech company specializing in developing innovative English language learning solutions. They leverage artificial intelligence to create interactive tools, such as AI chatbots for conversational practice (e.g., 'Odinga English') and personalized learning platforms, aiming to make language acquisition more engaging and effective for users. Their technology focuses on areas like speaking practice, pronunciation feedback, and adaptive learning paths.

Jocoos, co.,ltd. Funding Information
Unknown - Total Funding Raised
$1.5M - Most recent funding amount
2 - Number of funding rounds
Apr 1, 2021 - Latest funding round
Lead Investors:
KDB NextRound (Korea Development Bank)
We Ventures
Bigbang Angels
CNT Tech

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