Sarah has over 20 years’ experience as a financial controller, including key roles at Technology One, Cardno, Xstrata and PwC. Across these positions, Sarah has built extensive knowledge of group finance and taxation with a focus on global reporting, financial strategy and risk management. In her role as CFO, Sarah works across the PPK Group, Li-S Energy, White Graphene, BNNT Technology Ltd, Craig International Ballistics and Advanced Mobility Analytics Group.

Sarah holds a Bachelors of Business from Queensland University of Technology, is a Chartered Accountant and Affiliate of the Governance Institute of Australia.

Sarah was appointed Chief Financial Officer on 23 May 2023 following time serving as Group Financial Controller.

Dr Zhifeng Yi is a research scientist and the project manager of BNNT Technology Limited, working to scale up manufacturing of boron nitride nanomaterials.

Dr Zhifeng holds a PhD from the Institute of Frontier Materials at Deakin University. His background is on chemical engineering and materials science, with extensive experience on nanomaterial synthesis, characterization, and application.

Dr Zhifeng uses the first principles approach to break down complex problems into fundamental elements to build from. He is keen to learn new things and loves to dive into new technologies, especially in how BN materials can be applied across different industries.

Dr Chunfang Feng is a research scientist for BNNT Technology Limited, working to scale up manufacturing of boron nitride nanomaterials.

Dr Chunfang holds a PhD from Deakin University. Her background was on graphene-based composite materials in a variety of fields, such as flexible conductors, strain sensor, and oil absorption.

Dr Chunfang is a well-published researcher having authored numerous publications including a book chapter and dozens of journal papers. Since 2019, her works have received over a thousand citations, including a notable collection of papers that have garnered at least ten citations each.

Gary has been with BNNT Technology since the very beginning, having identified the opportunity when the process was first invented at Deakin University.  Gary is an experienced company director and senior engineer with verifiable success in identifying and commercialising new technologies, establishing and structuring companies, and driving product development across a range of industries.  As a qualified engineer (Bachelor of Engineering – Mechanical & Computing, and Master of Engineering – Systems) Gary has been able to draw on his extensive real-world experience to guide the successful production of BNNT at commercial scale for the first time.

He is a strategic decision maker, experienced team leader, mentor and motivator.

Gary was also instrumental in bringing other technologies to the PPK Group of Companies including Li-S Energy, White Graphene and PowerPlus Energy Pty Ltd.

His past experience includes Director appointments in companies in the Aviation, Innovation, Building and FMCG Sectors.  Previous roles include 5 years as CTO in the Modular Building Industry, 10 years as Senior Design Engineer for General Motors, and 7 years as a Commissioned Officer in the Australian Army.