Data-driven graduate with 6 years of data-related major experience at top-ranked U.S. universitiesr. Adept at conducting in-depth analysis, developing visualization solutions, and supporting business decision-making using tools such as SQL, Python, and Tableau. Experienced in designing and executing machine learning algorithms to predict customer behavior and improve marketing campaigns. Strong communicator with ability to clearly present insights and findings to nontechnical audience with diverse backgrounds. Realized double-digit increases in revenue, return on investments, and click-through rates throughout internships.
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Quantitative AnalystHaitong Securities Jun 2023 - Oct 2023Shanghai, China• Enhanced risk-return profile using factor models and machine learning algorithms for portfolio optimization, resulting in 17% increase in portfolio returns and 13% reduction in risk exposure• Conducted market microstructure research to analyze trading patterns and liquidity dynamics, leading to the development of advanced market impact model that helped minimizing transaction costs• Spearheaded the design and maintenance of Tableau dashboards for stakeholders to trace key performance metrics, providing accessible and visualized information to improve trading strategies -
Ecommerce Data AnalystBytedance Feb 2022 - Sep 2022Shanghai, China• Orchestrated data-driven market expansion strategies by analyzing large datasets from mature markets in Southeast Asia and Europe, which informed the launch and growth of U.S. operations• Led the automation of key business reporting process, saving the team 15 hours of reporting each week• Conducted ad hoc analysis for content creators and merchants, leading to actionable improvements with a 21% uplift in gross merchandise revenue and 33% rise in click-through rate• Developed predictive models using machine learning techniques for customer behavior forecasting, enhancing the targeting of promotional events and securing a $2M boost in event-driven revenue -
Data AnalystChina Unionpay May 2020 - Sep 2020Shanghai, China• Analyzed transaction records to identify patterns and optimize fraud detection algorithms, leading to 22% reduction in fraudulent transactions• Suggested new customer segmentation to senior management, enabling targeted marketing and personalized offering, which helped improve customer satisfaction and loyalty• Designed and built ETL data pipelines and data warehouse to improve data quality, better streamline data processing, and speed up analysis workflows
Mingjun Sun Education Details
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Applied Analytics -
3.85
Frequently Asked Questions about Mingjun Sun
What is Mingjun Sun's role at the current company?
Mingjun Sun's current role is Seeking Data Analyst/Data Scientist/Quantitative Analyst/Business Analyst position | APAN @ Columbia 23' | Python, SQL, R, Tableau, PowerBI, Excel, NoSQL, AWS.
What schools did Mingjun Sun attend?
Mingjun Sun attended Columbia University, Emory University.
Not the Mingjun Sun you were looking for?
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Mingjun Sun
M.S In Business Analytics In Columbia Business School & Engineering | Uc Sandiego AlumSan Diego, Ca -
2emory.edu, emory.edu
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1yale.edu
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