Meet the Team

Rhetta Chappell

Data Scientist & Partnerships Lead

Rhetta Chappell is the Data Science and Partnerships Lead at Griffith University’s Relational Insights Data Lab (RIDL). In this role she leads a growing team of high-performing data analysts and provides strategic direction on complex, mission and data-driven projects for industry, government, and academic partners. Her role as a speaker at the Royal Statistical Society Conference in Scotland highlights her standing in the field. Rhetta’s work is not just about data analysis; it’s about creating sustainable, impactful solutions aligned with global initiatives like the UN’s Sustainable Development Goals.

Rhetta’s strengths are in strategic relationship building, stakeholder engagement, the design and implementation of robust statistical analyses, data storytelling, engaging information design, and the building of actionable and innovative data solutions. After completing a degree in Anthropology, Rhetta has gone on to complete post graduate qualifications in statistics, data science and machine learning and is currently completing her MBA at Griffith. Rhetta also hosts a podcast about using data to support thriving communities called, Show Me the Data.

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Nicholas Pittman

Data Analyst

Nicholas Pittman is a Data Analyst at the Relational Insights Data Lab. In this role, he designs and implements complex solutions for clients with tricky problems and interesting datasets. Using a broad range of tools including R, Shiny, JavaScript, and PowerBI, Nicholas’ focus is not just on the how these models or data is important, but why.

A graduate of Griffith University in International Business, Nicholas previously worked in client services and UI/UX design roles and is completing further study in IT. Outside of work, his hobbies include video gaming and studying German.

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Jessica Chen

Data Linkage Analyst

Jessica Chen is our dedicated Data Linkage Analyst who combines a strong interest in data engineering with an exceptional ability to merge and link complex datasets. Skilled in a variety of tools including UiPath, Python, R, RShiny, PowerBI and even Adobe’s suite of tools for editing the Show Me the Data podcast, Jess is known for her willingness to learn and bring new ideas to the forefront. This extensive skill set and adaptive approach significantly enhance our data strategies, establishing Jess as a versatile and invaluable member of our dynamic team.

Pursuing a double degree in Economics and Data Science, Jess demonstrates a steadfast commitment to continuous learning and professional growth. This academic endeavour complements her work, providing a richer understanding and broader perspective to our data-driven projects. Outside of work, Jess enjoys watercolour painting and gaming.

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Derrick Ung

Data Analyst

Derrick Ung is graduate of Bachelor of Information Technology (Information Systems) - with Distinction and Bachelor of Mathematics (Statistics) – with Distinction. Derrick is a Data Analyst at the Relational Insights Data Lab, known for his meticulous attention to detail, analytical mindset, and passion for deriving actionable insights for organizations. He specialises in implementing comprehensive data analytics solutions, including data cleaning, exploration, analysis, and visualization, all while adhering to strict data ethics. His proficiency in programming languages such as R and Python enables him to create practical solutions for real-world application. Additionally, Derrick actively explores the integration of artificial intelligence to enhance workplace productivity.

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Charlotte Owona

Policy and Compliance Coordinator

Charlotte Owona is our Policy and Compliance Coordinator. In this role, she is committed to ensuring adherence to policies and legislation while maintaining the highest standards of consistency, quality, and transparency in all our processes.

After completing a degree in History and Politics, Charlotte furthered her education with postgraduate study in law. Prior to joining our team, Charlotte worked as an auditor and recruitment coordinator in the UK. These experiences equipped her with a deep understanding of policy coordination and regulatory compliance. Outside of work, Charlotte enjoys exploring national parks across Queensland.

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Shiela Villanueva

Data Lab Coordinator

Shiela Villanueva is our Data Lab Coordinator. She brings over 10 years of experience in the IT industry and 6 years in telecommunications engineering to the RIDL and GDT teams and has previously worked at the top telecommunications company in the Philippines as a Network Engineer where she ensured the smooth operation of the nation’s primary SMS and voice data services, safeguarding round-the-clock reliability. Abroad in Singapore, Shiela managed and maintained global SMS delivery networks, cementing her status as a key player in network operations.

In Australia, Shiela has navigated through various private and government institutions as an IT Support Analyst and Network and Systems Administrator, accumulating a vast spectrum of expertise, from user support to strategic project management. Shiela also holds a Bachelor of Science in Engineering from Mapua Institute of Technology (MIT), the leading Engineering and Architectural School in the Philippines and is ITIL certified.

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