Data Science Machine Learning

Alex Tsui

650-***-**** *****.*****@*****.*** Palo Alto, CA US Citizen www.linkedin.com/in/alextsui/

Hands-on leader & professional - Generative AI, Data Science, Data Engineering, Management Consulting

Extensive success in applying top-tier management consulting, generative AI, data science, machine learning, business analytics, data engineering, data warehouse/lake, business intelligence skills to increase revenue and efficiencies for marketing, sales, customer success, customer service, and robots/IoT devices.

Industry: Consulting (McKinsey), Tech (Meta, SAS), Healthcare (IQVIA, Merck, Omnicell).

REPRESENTATIVE ACHIEVEMENTS

Built multiple consulting practices and internal departments specializing in data engineering and data science. Led business development and project portfolio. Built client-focused, business value-driven, high performance teams.

Created many dashboards, ETL pipelines, data science models and data warehouses for world-class companies.

Realized $100M/qtr impact at Meta by building new marketing campaign measurement system.

Created innovative Generative AI based audience insight solution for marketing communications at META.

Invented consumer research tool to quantitatively measure product differentiation by analyzing consumer messages using AI and machine learning algorithms.

Made major contribution in turning around product ($300+M) by discovering new value proposition through innovative analysis of customer behavior data.

Boosted marketing ROI by optimizing spending via marketing mix models and price elasticity analysis.

Created data warehouses/lakes, drove cross-functional KPIs definitions, created highly-praised dashboards, constructed AI telemetry solutions for $100+M medical robot product.

Led forecasting efforts for $4B blockbuster drug for US market.

TECHNICAL AND ANALYTICS SKILLS

Business and IoT Analytics: Marketing analytics, A/B testing, sales force effectiveness, CX analytics, retention, social chatter analytics, forecasting, IoT, predictive maintenance. Market research data: IQVIA, Symphony, IRI, Nielsen.

AI, Data Science, Business Intelligence: Statistics, machine learning, generative AI, A/B testing, classification, regression, clustering, text mining, anomaly detection, decision trees, random forest, XGB, LSTM, Tensorflow, Keras, arima, Llama 3, chatGPT API, HuggingFace, Langchain, flowise, pinecorn, Tableau, Qlik, PowerBI.

Data Engineering, web apps: Data warehouses/datalakes. Databricks (certified), Dataswarm, Snowflake, dbt, Python, Hive, Presto, ELK, Kafka, AWS (certified), Azure, Redshift, SAS, SAS Viya, MS SQL, MySQL, SQLite, C#, C++, C, Javascript, Node.js, React, MongoDB, Dynamodb, Excel/VBA, Cloudflare, Windows, Linux.

PROFESSIONAL EXPERIENCE

Data Scientist

Meta via Tundra 2024 -

Using generative AI for social marketing analytics to optimize performance. Llama, Python, SQL.

Principal Data Product Manager

Udemy – Leading edtech, education market place 2024 - 2024

Created PRD through research and expertise in marketing science, sale analytics, and forecasting for first enterprise data warehouse. Major contribution by discovering new data source to tracking 100% web visits.

Generative AI App Development

ACT Consulting 2023 - 2024

Built multiple Generative AI based apps with chatGPT API, Langchain, HuggingFace, Flask, flowise, Pinecone.

Sr. Director of Customer Experience Data Insights (Hands-On Technical)

Omnicell Inc 2020 - 2022

Built new data science and data engineering department from scratch. Formulated strategy. Led internal business development. Hired team and managed project portfolio. Representative hands-on projects:

Drove complex cross-functional KPI definition efforts with strong consulting skills, built new data warehouse and dashboards for customer experience, engineering, and technical support for $100M robot launch.

Re-engineered cloud data warehouse; Generated dashboards and insights for IoT device observability, error detection, issue diagnosis, predictive maintenance.

Reduced time-to-resolution from five weeks to minutes by building award-winning text based AI system automating root cause analysis of software application failures.

Technical skills: AWS, Azure, Databricks, Python, ELK, Microsoft SQL Server, Kalfk, Qlik, Tableau.

Principal Presale Consultant and Data Scientist

SAS Institute 2017 - 2020

SAS has been the leader in statistics and machine learning software for 40 years. Developed marketing & sales strategy, created and delivered customer-facing presentations, built demos in customer and marketing science.

Created innovative application measuring product differentiation using machine learning and text mining.

Developed new approach to massively generate machine learning models. Presented at industry conference.

Technical skills: SAS/Viya, SAS 9.x, Python.

Sr. Principle Data Engineering Consultant

Meta via Clarity Solutions 2015 - 2017

Realized $100MM/qtr impact by building marketing campaign measurement data pipeline and dashboards via expertise in marketing, data engineering, and data science. Primary developer from requirements to coding.

Technical skills: marketing analytics, statistics, A/B testing, Hive, Presto, Spark, Python, Vertica, Tableau.

Managing Consultant, Data Engineer, Data Scientist

ACT Consulting, LLC 2003 - 2015

Provided management consulting, business analytics, data science, data engineering services to market research, marketing, commercial operations, forecasting groups for pharmaceutical leaders: Merck, Sanofi, Novartis, etc.

Functioned as thought-partner with business leaders to define KPI, data-driven strategies, segmentation, targeting, promotion analysis, sale force size and structure, call planning, sale force performance, etc.

Build hundreds of data pipelines and dashboards for sales force, marketing, market access, forecasting.

Delivered on-going forecasting for blockbuster drug with sales >$3B. TM1 developer in forecasting group.

Hands-on data engineering and data science: SAS, MS SQL, Oracle, Python, Excel/VBA, Qlik, Tableau, TM1, etc.

ADDITIONAL EXPERIENCE

McKinsey & Company, Consultant, business strategy, IT strategy, M&A, China market entry and expansion.

IQVIA, Head of Commercial Analytics, build new consulting practice from scratch. Business development, delivery.

Model N, Head of Business Analytics Consulting, serving pharmaceutical commercial organizations. BD, proj delivery.

Information Resources Inc (IRI), Director of Advanced Analytics, marketing mix modeling, price elasticity in CPG.

BroadVision, Product Manager, 1:1 personalization enterprise web serve technology.

Chicago Board Options Exchange, software engineer, built transaction processing system for the exchange.

EDUCATION

Northwestern University, Kellogg School of Management, Master of Management

University of Minnesota, Master of Computer Science

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