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Helene Gray

Helene Gray

Data Analyst

Comcast

Technologies

My Portfolio Highlights

My New Course

Data-Driven Decision Making in SQL

My New Course

Case Study: Analyzing Customer Churn in Tableau

My New Course

Introduction to dbt

My New Course

Data-Driven Decision Making in SQL

Quantitative detective, solving mysteries and uncovering truths in data.

My Work

Take a look at my latest work.

DataLab

Project: Topic Analysis with Embeddings

Python
github

GitHub - Process Mining Tutorial

PythonTheory
notebook

Notes: Analyzing Social Media Data — DataLab

Python
DataLab

Project: Topic Analysis with Embeddings

Python

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

SAS SAS Certified Statistical Business Analyst Using SAS 9: Regression and Modeling

SAS SAS Certified Base Programmer for SAS 9 (CBP)

GoogleCloud Get Started with Looker

FreeCodeCamp Responsive Web Design

FreeCodeCamp JavaScript Algorithms and Data Structures

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Understanding Artificial Intelligence
Introduction to Power BI

My Work Experience

Where I've interned and worked during my career.

Comcast | Jan 2016 - Nov 2024

Senior Analyst

• Led the analysis and identification of operational improvements, implementing automation solutions that streamlined processes and improved efficiency by 70%. • Automated triage and troubleshooting processes for identifying, correcting, and organizing data to improve quality, reducing dataset discrepancies by over 60% and enhancing operational reliability. • Implemented a Python-based text analysis model using machine learning and natural language processing modules to generate reports that identify data discrepancies, automate fixes, or create Jira tickets with suggested solutions when automation isn't feasible. • Created dashboards using Tableau and Power BI to support process mining and data quality projects, resulting in a 40% increase in team productivity. • Developed projects to mentor team members working on improving their scripting and machine learning skills.
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CEI (ceiamerica.com) | Jan 2013 - Jan 2016

Data Analyst

• Conducted thorough data analysis using Oracle and Splunk to identify discrepancies in Video Operations. • Automated data extraction and task updates through Bash and Python scripting, enhancing operational efficiency. • Ensured timely content publication by managing asset delivery and quality control within production SLAs.

SOC/Yoh | Jan 2012 - Dec 2012

Finance Analyst

• Led data and finance analysis functions, enhancing data integrity and accuracy through advanced Excel techniques, achieving a 30% improvement in data quality. • Developed MS Access databases and queries, streamlining data conversions and boosting operational efficiency by 40%. • Collaborated with stakeholders to gather data needs, improving billing submission accuracy by 30%.

Army National Guard | Sep 2006 - Mar 2011

Intelligence Analyst

• Compiled and analyzed all-source intelligence to produce daily information summaries, enhancing situational awareness. • Developed an Access database using Visual Basic and SQL for automation to streamline analytical processes and operational efficiency by 40%. • Created interactive graphs and charts and delivered briefings to senior leadership, leading to more effective communication of intelligence findings.

The Princeton Review Taiwan | Nov 2004 - May 2006

Teacher/Tutor

• Developed and delivered preparatory courses for SAT, TOEFL, and GMAT, enhancing students' test readiness. • Created engaging course materials using Microsoft Office Suite, improving student comprehension and retention. • Monitored and assessed student progress, tailoring instruction to meet individual learning needs, resulting in a 20% increase in average test scores.

My Education

Take a look at my formal education

Master of Science - MS, Data AnalyticsWestern Governors University | 2020
Bachelor of Arts (B.A.), Political Science and GovernmentCity University of New York-Hunter College | 2002

About Me

Helene Gray

I'm excited to enhance operational efficiency and data quality through data automation, machine learning, and visualization tools. I love using Python for text analysis and crafting insightful dashboards in Tableau and Power BI to drive results.

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