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Chester ChengCC
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Chester Cheng

@chestercheng

Data analyst and co-founder at Storyseller Systems, creating industry systems connected to analytical dashboards.

Philippines
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At Storyseller Systems, I created systems for clients in industries including construction, education, distribution, and security. I also conceptualized strategic dashboards and established a data framework that can be replicated across clients.

At Bookipi, I improved signup-to-subscription conversions by 30% and saved 10% of the annual marketing budget by analyzing Google Analytics data. I also launched A/B tests and created metrics to assess product releases and subscription changes.

At The Mysale Group, I handled company-wide data engineering and analytics. I provided monthly revenue forecasts with a 5% margin of error, conceptualized fraud measures that reduced fraudulent transactions by 70%, and used Python automation to speed up processes by 90%.

At Booky, I worked across data analysis and product management, contributing to growth in redemptions, active users, and subscription revenue. I self-studied SQL and Python, and have worked with Tableau, PowerBI, Tinybird, DBT, and Hevo to solve business challenges with data.

Experience

Work history, roles, and key accomplishments

SS
Current

Co-founder

Storyseller Systems

Sep 2025 - Present (1 year 1 month)

Created automated systems for various industries and conceptualized strategic dashboards using client data. Established a replicable data framework for cross-industry use.

TG

Data Analyst

The Mysale Group

Nov 2020 - Sep 2025 (4 years 10 months)

Handled data engineering and analytics for the whole company, providing accurate revenue forecasts and reducing fraudulent transactions by 70%. Automated processes with Python, speeding up several operations by 90%.

BO

Growth Analyst

Bookipi

Jul 2022 - Jun 2024 (1 year 11 months)

Secured a free $36,000 plan from a product analytics platform and saved 10% of annual marketing budget by analyzing Google Analytics data. Improved signup to subscription conversions by 30% and launched A/B testing experiments to improve user activation.

ES

Data Analytics Mentor

Eskwelabs

Feb 2022 - Apr 2022 (2 months)

Helped graduating teachers understand how to use data analytics for their teaching career.

SH

Data Consultant

Shoor

Jul 2021 - Oct 2021 (3 months)

Spearheaded email marketing efforts to increase repeat customers and identified customer cohorts for targeted campaigns. Fixed operational issues and conceptualized a long-term analytics plan.

BO

Senior Data Analyst

Booky

Jul 2019 - Oct 2020 (1 year 3 months)

Strategized restaurant offers to increase transactions by 10% and revamped subscription methods, increasing active userbase by 300%. Led subscription campaigns that increased revenue by 500% and identified customer journeys to improve conversion rates.

PP

Accounts, Research Executive

Philippine Survey and Research Center (PSRC)

Jun 2011 - Jun 2013 (2 years)

Created a macro in Excel that finished 2-3 day tasks in under 5 minutes.

Education

Degrees, certifications, and relevant coursework

Ateneo de Manila University logoAU

Ateneo de Manila University

Bachelor of Arts, Psychology

Bachelor of Arts in Psychology from Ateneo de Manila University, completed in 2011.

Tech stack

Software and tools used professionally

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