Our Team

Our team has a wide range of skills across multiple disciplines.


PETRA MUELLNER

Dr. med. vet., MSc (Public Health Epi), PhD, Dipl ECVPH, MANZCVS (Epidemiology), MInstD

Director (Science & Data)


  petra@epi-interactive.com
  linkedin.com/in/petramuellner

In an increasingly complex world Petra’s work drives to connect data and information with people by augmenting science and data analysis with user experience design, new media and information technologies. Her ability to amalgamate her academic background with a strong sense of pragmatisms and practicality makes her a skilled problem solver.
Petra engages with and injects her highly contagious passion and tenacity into our projects to help our clients get great outputs and turn their ideas into reality.

ULI MUELLNER

BSc, PGD (Computer Sciences), PhD

Director (Learning & IT)


  uli@epi-interactive.com
  linkedin.com/in/ulimuellner
  +64 (0)27 292 2296

Uli's broad experience around anything software, training and media coupled with a keen sense for quality execution makes him one-of-a-kind in the information technology universe.
As the engine of our team he helps our clients navigate the technology jungle, oversees our design and production pipeline, and ensures that our projects run like clockwork and our outputs are both precise and beautiful.

ANNA-MARIE SCHOPP

Consultant (Health & Capacity Building) & Project Manager


  anna-marie@epi-interactive.com

From supporting WHO’s Ebola programme in Liberia, to CDC’s Emergency Preparedness & Response programme in the Pacific and working within the New Zealand public health system to improve health outcomes and health equity; Anna-Marie has seen it all.  
Always up for a good challenge, she lives and breathes capacity building and is at ease both within highly technical as well as non-technical environments. An asset to any collaborative project her versatile and personal approach helps drive our projects (and the people in it) to new heights.

SHANNA TERVOORT-MCLEOD

Graphic Designer & Project Manager


  shanna@epi-interactive.com

A native Wellingtonian, Shanna is our designer extraordinaire who is responsible for the stunning interface designs that we are known for. With a keen eye for detail and a quick mind she effortlessly translates technical requirements into practical design. She is a breeze to work with and goes above and beyond to get things right for our clients. 

LIANG YANG

BSc (Mechatronic), MSc , Ph.D.(Computer Science)

Senior Software Developer


  liang@epi-interactive.com

Liang is our computer whiz who makes the magic happen in our data science projects and interactive dashboards. He has broad experience in both front and backend software development and is familiar with most common frameworks, from Javascript, HTML, CSS through to R, R Shiny, Python, Java, C, C# and .NET, you name it!  With a PhD in Cloud Computing he also brings valuable expertise to our clients’ server infrastructure setup. If that weren’t enough already, he has a passion for big data analytics, machine learning and all things complex and challenging.

CRYSTAL JOHNSTON

Software Developer


  crystal@epi-interactive.com

Crystal is our problem solver and passionate about building fit-for-purpose software for our clients. Experienced in web and data visualisation technologies such as React, Angular, JavaScript and Python, she builds interactive dashboards and tools that are excellent in their execution and highly customised to user preferences.

NICK SNELLGROVE

Junior Software Developer


  nick@epi-interactive.com

Skilled beyond his young years Nick can be found on the dean’s list for academic achievements as well as exploring emerging trends in the technology field such virtual/augmented realities. Quick to learn and a hard worker he makes our data visualisations shine and more. He is of course fluent in lots of different programming languages like Python, C++, Java, JavaScript, React Native and Ionic for mobile development to name a few.

FIONA CURTIS

Graphic Designer & Office Administrator


  fiona@epi-interactive.com

Equipped with a degree in media studies and journalism, Fiona uses digital content to tell stories; whether that be through video, photography, or graphic design. With media landscapes constantly changing, her role is to help adapt the digital space for our clients, and to keep us up to date on the latest trends and techniques. 

CHRISTINA AHLSTROM

MSc, PhD

Consultant Epidemiologist & Data Analyst


   christina@epi-interactive.com

Christina has been a part of the team since completing her PostDoc with us and now contributes to our projects from the wilderness and beauty of Alaska. A master of genetic data analysis she supports our epidemiology and data projects with fine analytical skills, an eye for what matters and a keen interest in quality science.