Multithread effectively and personalize outreach to convert deals faster
Elevate social presence and drive business growth from social media
Identify and prioritize high-intent leads, and improve sales effectiveness
Find and connect with ICP attendees, and improve event outcomes
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.
Changhoon Choi's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
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.
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.
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.
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.
연세대학교 - Year 2008
University of Technology Sydney - Year 2002
고려대학교 - Year 1996
Highperformr Signals uncover buying intent and give you clear insights to target the right people at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
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.
Get verified emails, phone numbers, and LinkedIn profile details
Discover contacts with similar roles, seniority, or companies
Uncover insights like skills, work history, social links, and more
Explore contacts in-depth — from verified emails and phone numbers to LinkedIn activity, job changes, and more — all in one powerful view.
Highperformr AI helps you surface the right people and enrich your CRM with live, accurate contact insights so your teams can connect faster and close smarter.
Thousands of contacts — including decision-makers, influencers, and ICP matches — are just a search away.
Thousands of companies, including, are just a search away.