Tianyi (Zero) Zhang

Associate Analytics Consultant at DAS42
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Contact Information
Location
San Francisco Bay Area
Languages
  • English Native or bilingual proficiency
  • Chinese (Simplified) Native or bilingual proficiency

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Credentials

  • LookML Developer
    Looker
    Apr, 2020
    - Sep, 2024
  • Amazon Web Services Cloud Practitioner
    Amazon Web Services (AWS)
  • Looker Certified Data Analyst
    Looker
  • SAS Certified Base Programmer for SAS 9 (CBP)
    SAS
  • SnowPro Core Certification
    Snowflake

Experience

    • United States
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Associate Analytics Consultant
      • Aug 2019 - Present
    • United States
    • Higher Education
    • 700 & Above Employee
    • Capstone Project in Collaboration with NASA
      • Jan 2019 - Present

      • Communicated remotely with a NASA client weekly, discussing the purpose of the project • Understood the problem by listening to the client and asking prompting questions • Finalized the problem to be detecting fault in faulty battery dataset (8034 observations) based on healthy battery dataset of 98530 observations • Developed time series models to serve the above goal when collaborating with two peers

    • Machine Learning Project
      • Aug 2018 - Dec 2018

      • Detect candidates’ fitted job categories based on their skill sets, leveraging machine learning strategies • Selected 5 machine learning algorithms to build the forecasting system: Naïve Bayes, Tree models (including simple classification tree, bagging tree, and random forest trees), and K-Nearest-Neighbor • Represented each word as a token, and visualized top 10 keywords for top 3 job categories

    • United States
    • Higher Education
    • 700 & Above Employee
    • Lead Mentor of International Mentorship Program
      • Mar 2016 - Jun 2018

      • Guided 25 mentors toward goal setting/accomplishment, relationship-building and intercultural understanding • Built products/program/workshops to improve student customers experiences; communicated via storytelling • Conducted on-going analysis of events and operations; made clear recommendation based on analysis results • Sent out 20 bi-weekly email reminders to all mentees and mentors, and lead bi-weekly mentor meetings • Identified problems/needs, and work with International… Show more • Guided 25 mentors toward goal setting/accomplishment, relationship-building and intercultural understanding • Built products/program/workshops to improve student customers experiences; communicated via storytelling • Conducted on-going analysis of events and operations; made clear recommendation based on analysis results • Sent out 20 bi-weekly email reminders to all mentees and mentors, and lead bi-weekly mentor meetings • Identified problems/needs, and work with International Programs Coordinator (IPC) and peer mentors to resolve issues • Assisted closely with the IPC for quarterly Mentorship Community events, other large program-wide events, trainings • Served on the Selection Committee; be involved in the application review, interview, and selection process.

    • Tutor
      • Jan 2016 - Jun 2018

      • Tutored over 200 students Statistics, Calculus, Multivariable Calculus, and Linear Algebra • Adapted teaching styles to accommodate different learning levels; grades were raised by one grade generally • Personalized needs for diverse students; students gained comprehensive understanding of course materials • Facilitated 4 weekly group sessions (10 students per group), 2 weekly small group tutoring (4 students per group), and study sessions during exam weeks as needed • Attended… Show more • Tutored over 200 students Statistics, Calculus, Multivariable Calculus, and Linear Algebra • Adapted teaching styles to accommodate different learning levels; grades were raised by one grade generally • Personalized needs for diverse students; students gained comprehensive understanding of course materials • Facilitated 4 weekly group sessions (10 students per group), 2 weekly small group tutoring (4 students per group), and study sessions during exam weeks as needed • Attended a peer tutoring course/training to learn theoretical background and practical learning/teaching strategies essential for planning and implementing effective peer-guided learning

    • Residential Advisor
      • Apr 2016 - May 2018

      • Organized quarterly events for 100 residents, regarding academia, community building, mental health, and social lifestyle • Addressed and documented suspected violations of UCSC policies or refer violations to Community Safety Officers, Residential Managers, or Police among 852 students • Created and maintained a supportive system for 100 residents, facilitating the individual’s efforts to fulfill academic goals, establish self-identity and values, and learn to respect the right of… Show more • Organized quarterly events for 100 residents, regarding academia, community building, mental health, and social lifestyle • Addressed and documented suspected violations of UCSC policies or refer violations to Community Safety Officers, Residential Managers, or Police among 852 students • Created and maintained a supportive system for 100 residents, facilitating the individual’s efforts to fulfill academic goals, establish self-identity and values, and learn to respect the right of neighbors to do the same • Provide and organize 8 cultural, educational, and social programming throughout the academic year for students in residence per quarter

    • Undergraduate Research Assistant
      • Jan 2018 - Apr 2018

      • Estimated the casual effect of alcohol consumption on mortality by a regression discontinuity design • Created a balance table using a linear regression, ensuring two age groups are comparable besides variable age • Visualized a quadratic regression on alcohol consumption & age, treating threshold 21 as the binary variable • Performed an instrumental variable estimate to rescale the effect; obtained the local average treatment effect • Implemented a regression discontinuity… Show more • Estimated the casual effect of alcohol consumption on mortality by a regression discontinuity design • Created a balance table using a linear regression, ensuring two age groups are comparable besides variable age • Visualized a quadratic regression on alcohol consumption & age, treating threshold 21 as the binary variable • Performed an instrumental variable estimate to rescale the effect; obtained the local average treatment effect • Implemented a regression discontinuity design when treating age 21 as the threshold for the legal drinking age

    • Senior Economics Project - Regression Based Model
      • Jan 2018 - Apr 2018

      • Evaluated linear and multivariate regressions in experimental data, and conducted significance tests • Compared experimental & non-experimental data for casual effect of reminders on voting rate • Recommended one strategy for political campaigns to increase voting rate – remind people to vote via phone

    • Research Assistant
      • Feb 2017 - Jun 2017

      • Participated in a research project in the UCSC Economics Department • Focused on how exchange rate regime choice can affect country spreads in developing countries using event study framework • Analyzed data from ten countries from 2001 to 2014 by using Stata code to draw graphs, run regressions, see patterns, and draw conclusions • Collaborated with a team of five to discuss our findings and contribute to the project progress

    • Assistant Business Analyst Intern
      • Jun 2017 - Aug 2017
    • Switzerland
    • Education Administration Programs
    • 700 & Above Employee
    • Study Abroad Advisor
      • Apr 2014 - Aug 2014

      • Sold study abroad package for 100 students, for destinations in the U.S, Australia, England, and Europe • Offered study abroad advice for 200 students, varying from age 7-18, based on their needs • Collected Visa materials for all applications and assist them to prepare for Visa interview • Presented information sessions for with the preparation for studying abroad before departure • Followed up after they comeback, and give recommendations for different experience… Show more • Sold study abroad package for 100 students, for destinations in the U.S, Australia, England, and Europe • Offered study abroad advice for 200 students, varying from age 7-18, based on their needs • Collected Visa materials for all applications and assist them to prepare for Visa interview • Presented information sessions for with the preparation for studying abroad before departure • Followed up after they comeback, and give recommendations for different experience Show less • Sold study abroad package for 100 students, for destinations in the U.S, Australia, England, and Europe • Offered study abroad advice for 200 students, varying from age 7-18, based on their needs • Collected Visa materials for all applications and assist them to prepare for Visa interview • Presented information sessions for with the preparation for studying abroad before departure • Followed up after they comeback, and give recommendations for different experience… Show more • Sold study abroad package for 100 students, for destinations in the U.S, Australia, England, and Europe • Offered study abroad advice for 200 students, varying from age 7-18, based on their needs • Collected Visa materials for all applications and assist them to prepare for Visa interview • Presented information sessions for with the preparation for studying abroad before departure • Followed up after they comeback, and give recommendations for different experience Show less

Education

  • Cornell University
    Master's degree, Applied Statistics
    2018 - 2019
  • University of California, Santa Cruz
    Bachelor's degree, Mathematics and Enonomics
    2014 - 2018

Community

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