Zachary Xie

Hello, I'm Zachary!

Sydney · Australia Life Science | Biotech | Pharmaceutical | Healthcare | Data Science

I'm a data-driven dusiness analyst with 4 years of experience, specialising in customer engagement, CRM analytics, digital channel management and sales operations.

I'm Skilled in R, Python, SQL, SAS, Power BI, Excel, PowerPoint to transform complex data into actionable insights.

I led multiple projects from concept to implementation, collaborating with cross-functional stakeholders to define KPIs, build dashboards, and optimise engagement strategies.

I'm passionate about leveraging data storytelling to support decision-making and deliver measurable business impact.

MY SKILLS

Core tools I use across analytics, visualisation, reporting, and web collaboration.

Technical Skills

Data Analytics

Python 80%
R 80%
SQL 80%
SAS 70%

Data Visualisation

Power BI 70%
Tableau 60%
ggplot2/Shiny 80%
Quarto 90%

Web Development & Collaboration

HTML/CSS/JavaScript 50%
Git/GitHub 70%

Reporting & Presentation

Excel 100%
PowerPoint 100%

Languages

  • English — Professional working proficiency
  • Mandarin — Native proficiency

MY EXPERIENCE

A look into my experience and career journey.

Professional Experience

Data Scientist, Research Support

2026.03 → Present
HeartBug Sydney · Australia

I worked in the R&D team within the ICT function, focusing on structuring physiological data and applying systematic analytical approaches to support modelling, hypothesis validation, and reproducible insights.

Key Responsibilities:
  • Conducted cardiac and physiological data exploration and built foundational domain knowledge to support analytical modelling.
  • Reproduced and implemented research methods from published papers to validate analytical approaches.
  • Applied structured methodologies, including data preprocessing, exploratory analysis, and iterative model development.
  • Collaborated with technical leadership to align research objectives and deliver reproducible insights.
Python R SQL Modelling Machine Learning Database

Career Break, MSc in Health Data Science

2024.02 → 2026.01
University of New South Wales Sydney · Australia

I completed the Master of Science in Health Data Science at UNSW. My work experiences in the Pharmaceutical Industry inspired me to pursue health data science, where I aim to combine my industry background, data analytics skills, and storytelling techniques to deliver insights aligned with business needs.

Python R SQL Modelling Machine Learning Database

Business Data Analyst

2020.10 → 2023.04
Takeda (Multinational Pharma) Shanghai · China

I worked in the Digital Innovation team within the Commercial Excellence function, managing CRM and delivering automated analytics solutions to business stakeholders.

Key Responsibilities:
  • Delivered Sales Force Effectiveness analytics for 10+ brands through CRM data management, enabling customer engagement and commercial reporting.
  • Developed SQL queries to extract and prepare data for Power BI dashboards, providing leadership with visibility into customer segmentation and sales behaviour.
  • Built a CRM-integrated content channel and a content tagging ETL process to improve content data usability and analytical efficiency for downstream reporting.
  • Facilitated cross-functional workshops with IT, marketing, and sales stakeholders to strengthen collaboration and enhance digital capability across teams.
Power BI CRM KPI Customer Behaviour Sales Performance

Graduate Analyst

2019.07 → 2020.09
Hengrui (China Leading Pharma) Shanghai · China

I worked in the Multi-channel Medical Communication team within the Central Marketing function, managing digital channels and developing in-person and online events to drive marketing communication.

Key Responsibilities:
  • Managed and optimised the official digital media platform with 200K+ followers.
  • Analysed engagement performance data (open rate, CTR, share rate) to optimise content performance and improve user targeting.
  • Established 8 content columns covering all brands and coordinating with 100+ clinicians to generate content.
Digital Content Marketing Communication

Additional Experience

Casual Team Member

2024.10 → 2025.11
Woolworths Metro Sydney · Australia

I worked as a Casual Grocery Team Member at Woolworths Metro. This role helped me adapt quickly to a dynamic environment, collaborate effectively in teams, and better understand Australian workplace culture.

Key Responsibilities:
  • Experienced in a fast-paced retail environment, managing grocery replenishment, product presentation, and stock organisation.
  • Operated with front checkout operations, working closely with team members to deliver customer service.
Retail Australian Workplace Culture Teamwork

MY PORTFOLIO

A look into my portfolio.

People and Communities in Western Sydney

Project preview image

This is my dissertation for MSc in Health Data Science at UNSW. I used 2021 and 2011 Census data from the Australian Bureau of Statistics to tell a story about the sociodemographic and health profiles of Western Sydney and its people.

EDUCATION BACKGROUND

A look into my education background and academic activities.

Education Experience

MSc in Health Data Science

2024.02 → 2026.02
University of New South Wales Sydney · Australia
Key Courses:
  • Database Systems | Machine Learning | Statistical Modelling | Data Visualisation

BSc in Pharmacy

2015.09 → 2019.06
Tianjin Medical University Tianjin · China

Academic Activities

Top 5 — Health Science Datathon

2024.12
University of New South Wales Sydney · Australia

As a Master of Health Data Science student at UNSW, my team and I spent two days collaborating to analyse real-world data and predict the next outbreak using infectious disease alerts from EPIWATCH—UNSW’s AI-driven, open-source outbreak observatory.

Machine Learning Data Visualisation Epidemiology Teamwork

Poster Presenter — Annual Westmead Research Symposium

2025.08
The Westmead Association Sydney · Australia

I was selected to present my one-year Masters research project, “Visualising Population Health and Sociodemographic Profiles in Western Sydney Local Health District Through Immersive Storytelling,” from over 160 abstracts submitted across the Westmead Hub.

Health Data Research Poster Presentation Data Visualisation

CONTACT ME

Thanks for you reading here.

Please don't hesitate to get in touch with me whenever you feel the need!