San Jose Tel: 303-***-**** E-mail: admvcz@r.postjobfree.com Linkedin: linkedin.com/in/rachelchends0104

Sisi Chen

SUMMARY

● Fast learner with a data-driven mindset, using Excel, Python and SQL to explore data for four years.

● A Master of Business Analytics and an MBA from the University of Denver coupled with practical experience in financial/marketing reporting make me a positive asset to any organization. SKILLS

SQL, Excel (Pivot tables, VBA), Python (Numpy, Pandas, Scikit-learn), Tableau, Google Analytics PROFESSIONAL EXPERIENCE

Lambda School Inc., San Jose, CA

Data Science Instructor Nov. 2020 – Present

● Built Weekly/Monthly reports to analyze students’ activities using Excel and Python, presented the reports to instructors in the Data Science team to help them improve their teaching quality.

● Facilitated live-coding demonstrations, lectures, and delivered/developed Data Science curriculum that produced job market ready graduates, the curriculum includes Statistics, Predictive Modelling, SQL, and Database.

● Led regular Q&A sessions around the data science course, contributed to and improved upon the existing data science course in conjunction with the curriculum development team. Udacity, San Jose, CA

SQL Nanodegree Mentor Mar. 2020 – Oct. 2020

● Reviewed the students’ projects, answered their questions about SQL Data Definition, Data Manipulation, and Relational and Non-relational Database. Helped students to design actionable study plans. Navajo Inc., Denver, CO

Business Analyst Dec. 2017 – Dec. 2019

● Created customized Daily/Weekly/Monthly reports for different teams, such as sales prediction reports for sales team, compensation reports for financial team, and

● Created dynamic sales data pipelines in AWS. Created custom operators to perform tasks such as staging the data and filling the data warehouse. Ran tests against the datasets to catch any discrepancies after executing the ETL steps.

● Utilized Scikit-learn to apply Machine Learning models in predicting the sales of 3000+ Walmart stores and 200+ products. Collected stores’ trait data and the past 10 years’ sales to improve the model’s accuracy. The results enabled Navajo to manage the inventory efficiently, to explore the possibilities to increase the contribution margin, and to make an advanced business plan for each salesperson. SambaSafety, Denver, CO

Advanced Data Analyst Intern Jun. 2017 – Nov.2017

● Applied models such as Logistic Regression, KNN, SVM, and Decision Tree to forecast a driver’s likelihood to cause an accident. Created a suite of predictive analytics that was integrated with SambaSafety’s current Risk Management Solution product. Presented the new function to the clients such as UPS freight.

● Extracted and normalized over 200 features from MongoDB and selected main features that may affect drivers’ accident risk with pandas and NumPy

● Helped SambaSafety to provide customer and channel-partner reports by conducting exploratory data analysis, data transformation, and data visualization of motor vehicle records data with Tableau. EDUCATION

University of Denver, Denver, Colorado Master of Business Analytics Sep.2016 – Nov.2017 University of Denver, Denver, Colorado Master of Business Administration Mar.2014 – Jun.2016