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Yunlong Chen

Data Analyst

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Intro
Scarborough, Canada
Joined May 29, 2025

Skills

Languages

English
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Native or Bilingual
Chinese
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Native or Bilingual
About
Detail-oriented and tech-savvy professional with experience in data analysis, administrative support, and customer service. I’ve worked as an Online Data Analyst at TELUS International AI, a Financial Analyst in the lift truck industry, and a Telemarketing Assistant at the Hong Kong Trade Development Council. Skilled in Excel (pivot tables, data audits), process optimization, and accurate record-keeping, I bring a proactive and organized approach to every role.
Experience
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TELUS Intl AI
Apr 2024 – Dec 2024
Toronto
Online Data Analyst
Executed extensive data analysis and annotation for AI and machine learning projects, such as evaluating the quality of large voice data sets consisting of over 3000 audio samples, ensuring top-notch accuracy and quality, which directly contributed to a 15% improvement in overall project performance. Managed and organized massive datasets of over 5000 data points, using automated validation scripts and consistency checks to preserve data integrity, reduce errors by 30%, and improve data accessibility for other team members. Utilized powerful data visualization tools such as Tableau and Power BI to create thorough and practical reports for every project, hence enabling the stakeholders' decision-making process and improving the AI model's performance by 15%. Collaborated with international and cross-functional teams to review and validate datasets of over 10,000 data points, performing data audits to identify inconsistencies, standardizing protocols to ensure uniformity, and conducting regular feedback sessions to align data practices with project goals, improving project robustness and reliability.
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Chinese Undergraduate Association UTSC (CUAUTSC)
Jun 2020 – Sep 2023
Toronto
VP, Event Coordination
Initiated and launched event marketing strategies through various targeted social media campaigns and on-campus promotions, boosting the event attendance by 40%. Coordinated venue rentals, catering, and speaker and performer coordination for educational and entertainment events, connecting over 150 Chinese students annually and boosting their campus experience. Led a group of 15 people to organize and execute over 10 association events yearly, creating a "Home away from home" ambiance via welcoming and team-building activities, resulting in a 35% increase in club membership. Established partnerships with local businesses to sponsor events by negotiated a win-win agreement, securing approximately $8,000 in funding to ensure the quality and richness of club activities while promoting brand awareness.
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Canada Learning Code
May 2022 – Sep 2022
Toronto
Programming Mentor
Mentored and guided over 50 learners in coding and web development skills, empowering them with the technical knowledge necessary to thrive in the digital age. Developed and facilitated simple and interactive workshops on HTML, CSS, JavaScript, and Python by applying polling software (Kahoot), resulting in the highest engagement records and positive feedback from participants. Assisted in the continuous creation and refinement of curriculum materials tailored for different age groups according to insights driven by feedback data, increasing workshop effectiveness and retention rates by 25%.