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Hello, I’m a Senior Data Analyst and Analytics Strategist with over 10 years of experience delivering automation, visualization, and insights across technology, e-commerce, finance, and risk domains. I excel at turning complex data into actionable intelligence and partnering with cross-functional teams to drive KPI clarity and strategic decisions. I’m proficient in SQL, Python, and modern BI platforms, and I’ve built ML pipelines that transform datasets into storytelling dashboards. I’m passionate about data storytelling, process innovation, and operational efficiency, and I enjoy collaborating with diverse stakeholders to accelerate impact.…Hello, I’m a Senior Data Analyst and Analytics Strategist with over 10 years of experience delivering automation, visualization, and insights across technology, e-commerce, finance, and risk domains. I excel at turning complex data into actionable intelligence and partnering with cross-functional teams to drive KPI clarity and strategic decisions. I’m proficient in SQL, Python, and modern BI platforms, and I’ve built ML pipelines that transform datasets into storytelling dashboards. I’m passionate about data storytelling, process innovation, and operational efficiency, and I enjoy collaborating with diverse stakeholders to accelerate impact.

Brett Lai

Data Scientist, Data Analyst, Full Stack Developer, +1

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Hello, I’m a Senior Data Analyst and Analytics Strategist with over 10 years of experience delivering automation, visualization, and insights across technology, e-commerce, finance, and risk domains. I excel at turning complex data into actionable intelligence and partnering with cross-functional teams to drive KPI clarity and strategic decisions. I’m proficient in SQL, Python, and modern BI platforms, and I’ve built ML pipelines that transform datasets into storytelling dashboards. I’m passionate about data storytelling, process innovation, and operational efficiency, and I enjoy collaborating with diverse stakeholders to accelerate impact.…Hello, I’m a Senior Data Analyst and Analytics Strategist with over 10 years of experience delivering automation, visualization, and insights across technology, e-commerce, finance, and risk domains. I excel at turning complex data into actionable intelligence and partnering with cross-functional teams to drive KPI clarity and strategic decisions. I’m proficient in SQL, Python, and modern BI platforms, and I’ve built ML pipelines that transform datasets into storytelling dashboards. I’m passionate about data storytelling, process innovation, and operational efficiency, and I enjoy collaborating with diverse stakeholders to accelerate impact.

Available to hire

Hello, I’m a Senior Data Analyst and Analytics Strategist with over 10 years of experience delivering automation, visualization, and insights across technology, e-commerce, finance, and risk domains. I excel at turning complex data into actionable intelligence and partnering with cross-functional teams to drive KPI clarity and strategic decisions.

I’m proficient in SQL, Python, and modern BI platforms, and I’ve built ML pipelines that transform datasets into storytelling dashboards. I’m passionate about data storytelling, process innovation, and operational efficiency, and I enjoy collaborating with diverse stakeholders to accelerate impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Data Scientist (Contract) at Apple

June 1, 2025 - June 1, 2025

Developed Python/SQL quantitative grading metrics to evaluate AI-generated app summaries, directly influencing LLM model improvement cycles and improving training data quality by 30%. Partnered with ML engineers to enhance dataset compliance with safety standards. Built Tableau dashboards comparing human vs. AI-generated content, reducing review time by 5 hours weekly.

Data Analyst (Customer Retention Contract) at DoorDash

December 1, 2024 - December 1, 2024

Conducted quantitative analysis and validated A/B testing using CUPED methods, identifying cost-saving opportunities that could reach up to $2M. Automated Snowflake ETL and Tableau for retention and ROI metrics, improving turnaround by 80%.

Business Data Analyst (AmazonPublisher Services) at Amazon

October 1, 2023 - October 1, 2023

Designed and automated 100+ SQL/Python pipelines and QuickSight dashboards supporting revenue and sales operations across AWS Redshift and Salesforce data sources. Reduced manual reporting time by 90%. Enhanced reporting reliability through QA automation and clear data lineage documentation.

Analyst (Monetization Insights, Commercial Analytics Strategy) at YouTube (Via Sellbytel)

November 1, 2022 - November 1, 2022

Developed funnel, cohort, and revenue dashboards to track growth, narrowing KPI gaps from 39% to 10%. Delivered executive-ready reports linking user behavior to revenue opportunities. Collaborated with Finance, Strategy, and Data Science to shape monetization and growth strategies using SQL and cohort analysis.

Analyst (Trust and Safety) at YouTube (Via Sellbytel)

November 1, 2022 - November 1, 2022

Designed 100+ SQL workflows for event-driven datasets, reducing pipeline runtime by 50%. Identified 30+ anomalies and content abuse patterns, surfacing insights that informed engineering interventions and policy changes.

Data Analyst (Lab126 Reliability Engineering) at Amazon

July 1, 2017 - July 1, 2017

Applied statistical analysis to detect failure patterns in hardware devices, improving product reliability and guiding engineering fixes. Developed forecast and warranty models that reduced downtime and optimized repair strategies.

Business Data Consultant at Wells Fargo

January 1, 2017 - January 1, 2017

Partnered with SMEs to identify data quality issues and developed exception reports, supporting operational reviews for business stakeholders.

Data Analyst (Risk Management) at Commonwealth Bank of Australia

December 1, 2015 - December 1, 2015

Conducted scenario analysis and identified supplier data issues, resulting in $100K+ cost savings and improved risk reporting accuracy.

Actuarial Data Analyst at AMP

November 1, 2014 - November 1, 2014

Assisted Senior Actuaries with monthly valuation for 20+ Insurance and Superannuation products, ensuring accurate financial assessments. Developed Prophet DCS/VBA valuation models and improved process efficiency, reducing runtime and monthly costs.