Saron Tessera
Seattle,Washington
Summary
Senior Business Intelligence Analyst with expertise in designing and implementing data-driven solutions to drive strategic decision-making and enhance operational efficiency. Proven track record in developing sophisticated business intelligence models, dashboards, and reports. Proficient in Python programming, SQL, and Tableau, with a strong background in cross-functional collaboration. Skilled in leading large teams and project management.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Senior Business Intelligence Analyst
Coalfire System
Bellevue, USA
01.2017 - Current
- Revenue & Customer Growth: Achieved 22% revenue and customer growth through data-driven insights and a new data warehouse
- Product Efficiency: Improved product efficiency by 25% by collaborating on performance metrics
- Actionable Insights: Analyzed attrition rates and marketing targets, providing actionable insights via Tableau reports
- Tableau Dashboards: Developed Tableau dashboards, reducing support tickets by 35% and boosting satisfaction by 10%
- Data Intake Optimization: Reduced data preparation time by 75% through streamlined data intake processes
- Cost Reduction: Led cost-reduction initiatives, cutting operating costs by 20%
- Automation: Automated Excel reports, reducing manual workload by 45%
- Cross-Functional Collaboration: Collaborated with 15 departments on complex business challenges involving large data
- Team Leadership: Supervised and trained three new team members in Business Intelligence
Data Science/Data Analysis Project
Western Governor University
Seattle, USA
01.2021 - 01.2023
- Advanced Data Analysis: Gained expertise in advanced data analysis methods, including regression, classification, unsupervised learning, causal inference, time series forecasting, and sentiment analysis
- Data Handling: Proficiently processed, cleaned, and formatted medical data using NumPy and Pandas
- Visualization: Created compelling visualizations using Python libraries (Seaborn, Matplotlib) and developed data dashboards
- Machine Learning Model: Built a machine learning model for sentiment analysis of customer feedback, identifying areas for product improvement
Creative Coding for Kids
Programming Teacher
Seattle, USA
01.2016 - 01.2017
- Youth Education: Taught children aged 8-12 software development skills and guided them in creating computer games, websites, and art using Scratch programming tools
- Coding Challenges: Devised coding challenges for advanced students, encouraging peer learning and problem-solving
- Problem-Solving: Fostered problem-solving, logic, and computational skills in children through troubleshooting sessions on their programming projects
- Team Support: Assisted fellow instructors in managing classes with up to 15 students, ensuring a positive learning environment
- Communication: Effectively communicated complex ideas to young students, facilitating understanding and skill development
Education
MASTER OF SCIENCE - DATA ANALYTICS/DATA SCIENCE
WESTERN GOVERNOR UNIVERSITY
Seattle, WA12.2025
BACHELOR OF SCIENCE - BUSINESS INTELLIGENCE
BELLEVUE COLLEGE
BELLEVUE, WA01.2017
ASSOCIATE OF SCIENCE - COMPUTER SCIENCE
BELLEVUE COLLEGE
BELLEVUE, WA01.2015
Skills
- Tableau Desktop Certified Associate
- Data Analysis
- Python Programming
- Data Visualization using Tableau
- SQL and Databases
- Performance Optimization
- Data Mining
- Data Validation
- A/B Testing
Certification
- Tableau Desktop Certified Associate
- Nano Degree in Data Analysis Tableau
- Expert: Top Visualization Techniques
References
Available upon request
Projects
Data Science/Data Analysis Project, 2021 - 2023, Gained expertise in advanced data analysis methods, including regression, classification, unsupervised learning, causal inference, time series forecasting, and sentiment analysis., Proficiently processed, cleaned, and formatted medical data using NumPy and Pandas., Created compelling visualizations using Python libraries (Seaborn, Matplotlib) and developed data dashboards., Built a machine learning model for sentiment analysis of customer feedback, identifying areas for product improvement.
Timeline
Data Science/Data Analysis Project
Western Governor University
01.2021 - 01.2023
Senior Business Intelligence Analyst
Coalfire System
01.2017 - Current
Creative Coding for Kids
Programming Teacher
01.2016 - 01.2017
MASTER OF SCIENCE - DATA ANALYTICS/DATA SCIENCE
WESTERN GOVERNOR UNIVERSITY
BACHELOR OF SCIENCE - BUSINESS INTELLIGENCE
BELLEVUE COLLEGE
ASSOCIATE OF SCIENCE - COMPUTER SCIENCE
BELLEVUE COLLEGE
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