Chengyu (Ree) Li

Business Analyst Intern at Intelliimpact
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Contact Information
us****@****om
(386) 825-5501
Location
Emeryville, California, United States, US

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Experience

    • United States
    • Business Consulting and Services
    • 1 - 100 Employee
    • Business Analyst Intern
      • May 2023 - Sep 2023

      Berkeley, California, United States - Developed a digital marketing strategy for a growing nationwide auto sales company, resulting in bolstered sales and conversion rates - Undertook detailed data cleaning and validation processes, ensuring the robustness and accuracy of marketing data, subsequently enhancing the performance of email campaigns - Employed SQL, Tableau, and Excel for in-depth marketing data analysis, laying the groundwork for informed decision-making and shaping marketing strategies - Executed A/B… Show more - Developed a digital marketing strategy for a growing nationwide auto sales company, resulting in bolstered sales and conversion rates - Undertook detailed data cleaning and validation processes, ensuring the robustness and accuracy of marketing data, subsequently enhancing the performance of email campaigns - Employed SQL, Tableau, and Excel for in-depth marketing data analysis, laying the groundwork for informed decision-making and shaping marketing strategies - Executed A/B testing for various marketing elements like email headers, content, and call-to-action placements, optimizing open rates and minimizing unsub rates - Addressed and rectified email deliverability issues, improving the efficacy of email campaigns and supporting user growth - Drafted detailed consulting reports and shared insights with clients and internal teams, playing a pivotal role in enhancing marketing strategy efficacy Show less

    • United States
    • Research Services
    • 1 - 100 Employee
    • Data Science Researcher
      • Aug 2022 - Dec 2022

      Berkeley, California, United States - Collaborated with a team on predicting substorms using magnetometer and aurora images data taken by ground stations of the NASA THEMIS project near the Earth’s pole, under the guidance of Dr. Harald Frey - Utilized Pandas, Matplotlib, Seaborn, and Sklearn to perform data cleaning and analysis on raw CDF data - Leveraged pre-trained PyTorch neural network TAME classifier to classify complex aurora image data Implemented Long short-term memory ML model to incorporate diverse source of… Show more - Collaborated with a team on predicting substorms using magnetometer and aurora images data taken by ground stations of the NASA THEMIS project near the Earth’s pole, under the guidance of Dr. Harald Frey - Utilized Pandas, Matplotlib, Seaborn, and Sklearn to perform data cleaning and analysis on raw CDF data - Leveraged pre-trained PyTorch neural network TAME classifier to classify complex aurora image data Implemented Long short-term memory ML model to incorporate diverse source of inputs and multidimensional time-series data, achieved 70% accuracy on validation set with limited datapoints - Presented research results to 300+ people in Data Science Discovery Symposium. Show less

    • United States
    • Software Development
    • 1 - 100 Employee
    • Data Analytics Intern
      • Jul 2020 - Sep 2021

      San Jose, California, United States

    • Founder / President
      • May 2020 - Jul 2021

      Berkeley, California, United States - Launched fundraising campaigns and secured $1800 in ASBCC. - Hosted various events and projects including webinars, hackathons, and drone aircraft. - Earned rewards in several hackathon competitions. - Provided 3D printers and other lab facilities for school and passionate STEM students. - Fastest growing club on campus (recruited 100+ members during my tenure). - Became the largest active club on campus.

    • United States
    • Wellness and Fitness Services
    • Software Engineer Intern
      • Feb 2020 - Jun 2021

      - Initiated the Watch-OS projects with minimal guidance to enable users to see their physical reactions after the use of Canbiance's product via their smartwatch. - Self-studied the Swift programming language and IOS development.

    • United States
    • Government Relations Services
    • 1 - 100 Employee
    • Vice President Finance
      • May 2020 - May 2021

      Berkeley, California, United States - Oversaw the budget of the student government and ensured all the student's activities were financially sponsored. - Proposed in the Peralta Community College District senate and developed a Textbook saving program that can help save 50% of the textbook cost for students. - Assisted basic needs and transportation committees to bring benefits to students during the Covid pandemic.

    • Higher Education
    • 200 - 300 Employee
    • Computer Lab Assistant
      • Aug 2019 - May 2021

      Oakland, California, United States -Teaching Assistant for Computer Science class. -Teaching 3D printing project. -Lab management.

    • United States
    • Higher Education
    • 100 - 200 Employee
    • Mathematics/Statistics Tutor
      • Aug 2019 - May 2021

      2050 Center St, Berkeley, CA 94704 - Helped up to hundreds of students to get a better result for their mathematics classes. - Prepare teaching materials and design exams. - Teach mathematics from introduction math level to High-level math class. (Algebra, Calculus, Linear Algebra, Differential equations) - Embed in classes can perform instructions.

    • United States
    • Non-profit Organizations
    • 1 - 100 Employee
    • Vice President Of Technology
      • Apr 2020 - Apr 2021

      - Led tech team of 10 students, Website design, and Website management on building the club website from scratch. - Presided weekly meetings. - Recruit and interview members for the tech team. - Organized 5+ internship workshops to help community students find their first internship. More than 100 students attended.

    • United States
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Data Analyst Course
      • Jul 2020 - Oct 2020

      Los Angeles County, California, United States - Created a web-based real-time forecasting system. - Operational hurricane intensity forecast modeling - The workflow of building predictive models using machine learning - Hands-on experience with spatiotemporal varying satellite data - Real-world impacts on improving hurricane forecasting and benefiting society

Education

  • University of California, Berkeley
    Undergraduate, Data Science
    2021 - 2023
  • Berkeley City College
    Bachelor's degree, Computer Engineering
    2019 - 2021

Community

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