Data Scientist / Research Analyst

Ellsa Fiorenza

Personal Information

San Francisco • Berkeley, CA

ellsa-fiorenza +1-925-***-****

adile9@r.postjobfree.com

Education

University of California, Class of 2021

Berkeley

B.A in Data Science,

minor in Computer Science

GPA: 3.4/4.0

Diablo Valley College (DVC) Class of 2019

A.A in Applied Mathematics

and Physics

GPA : 4.0/4.0

Relevant Coursework

1. Concept of Probability

2. Foundation of Data Science

3. Principle and Technique of Data Science

4. Data Structure

5. Econometrics

6. Efficiency Algorithm

Skills

Soft-skills

• Teamwork

• Adaptability

• Time Management

• Problem-solving

• Leadership

• Effective communication skills

Programming Language

• C++, C, C#

• Java/Javascript

• SQL

• Python (numpy, Matplotlib, Pandas, Seaborn)

• R

Microsoft Offices (Excel, PPT, Word)

Others

• Data Studio

• PHPMyAdmin

• MySQL

• YoloV (real-time object detection)

Language

• Fluent in English and Indonesian

• Elementary Chinese and French

Work Experiences

Stickearn • Online – Jakarta, Indonesia

Product Management - Research and Analyst Intern 08/20 – Now

• Optimized the efficiency of daily advertisement by 40% through A/B testing and implementation of structured framework.

• Simplified reporting process on weekly billboard occupancy and monthly brands spending for senior stakeholders using Google Data Studio.

• Presented on weekly sales meeting to Sales Director on brand analysis and ads performance.

• Build a framework to optimize brand interview questions, improving survey uptake by 10pp.

PHI-Integration (Xeratic) • Jakarta, Indonesia

Data Scientist Intern 06/19 – 08/19

• Optimized expansion strategy for a local coffee chain by analyzing market potential for each zone across 3 big cities in Indonesia.

• Diagnosed business problems, identify gaps and presented campaign strategy as a solution for local coffee chain.

• Improved data quality by performing rigorous analysis and testing on data pipeline for government sector.

• Performed end-to-end data analysis and built machine learning model based on “Buy Till You Die” model for a global automotive company.

JD.id (member of JD.com) • Jakarta, Indonesia

Business Development Intern in Luxury Goods Division 12/18 – 01/19

• Designed New Year and Chinese New Year promotion campaign for global luxury brand clients.

• Built product mapping and sales report for global luxury brand clients, which improved operation efficiency by 15%.

• Built the business case to create a new brand image for luxury goods to educate consumers on “pre-loved” luxury items, resulting 25% sales uplift in luxury goods.

• Presented analysis result on weekly sales meeting to the Director of Luxury Division. Related Projects

Enigma Machine • Java Feb’20

• Successfully developed a replica of the enigma machine to crack the enigma code.

• Implemented efficiency algorithm to handle large size of enigma code. Lanes of Actions Game (LOA) • Java Apr’20

• Developed an AI using Minimax algorithm to optimize the alpha-beta pruning.

• Designed the GUI that interprets the console commands into an interactive 2D board. Basketball Analysis • SQL, Python and Pandas May’20

• Performed an analysis to the NBA basketball statistics and player datasets.

• Predicted players’ performance based on their college statistics using linear regression and random forest models.

Rising Industry Post-Coronavirus in Indonesia • Microsoft Offices Oct’20

• Performed an analysis on Indonesian economy pre-pandemic by comparing Indonesian economic growth (GDP, currencies, composite index) to top 5 powerful countries.

• Predicted the rising industry after Covid-19 outbreak in Indonesia using the key trends in China and Indonesian new life-style.

Co-Curricular Activities

University of California, Berkeley • California, US Lab Assistance, Foundation of Data Science 08/20 - Now

• Mentored and supported 8 students for Data Science course on their weekly lab assignments and projects.

• Conducted grading on student's lab assignment.

Math Lab and EOPS at DVC • California, US

Mathematics Tutor 08/18 – 05/19

• Lead two self-paced classes for 45 students.

• Prepare review materials for the students by looking for online resources that will help the learning process, resulting in 40% increase in students’ average score.

• Mentored new tutors during their probation period on role, responsibilities and curriculum.

Earth Club at DVC • California, US

Volunteering Coordinator 08/18 – 05/19

• Organized more than 10 volunteering events with local communities or non-profit organizations that support environmental wellness.

• Implemented a point-based reward for each weekly meeting and volunteering activities, which increase attendance by 3X.

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