Our Team

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Dr Don Dissanayake

Co-Founder, Managing Director

Doctor of Philosophy (Electronic Engineering), The University of Adelaide; Bachelor of Engineering (Computer Systems) with First Class Honours, The University of Adelaide

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Dr Don Wenura Dissanayake is a cofounder and managing director of MedPrep Pty Ltd, founder and managing director of Tutors SA (Donash Australia Pty Ltd) and STEM Centre Australia Pty Ltd training and education institutes. Don is an enthusiastic and energetic Educator, Research Scientist, a Research and Development Engineer, and an Entrepreneur possessing over 16 years of multi/interdisciplinary research and development expertise in Electrical and Electronic, Mathematics, Embedded Computer Systems, and Biomedical Engineering.

He has gained collective experience from various defence, commercial as well as academic organisations. Don is a successful academic who has completed his PhD in Electronic Engineering and Bachelor of Engineering (Computer Systems) with first class honours. In 2010, he received the prestigious Adelaide University Dean’s Commendation for Doctoral Thesis Excellence. Don has also co-authored a book on biomedical devices and has published over 22 journal articles and conference papers which he has presented internationally.

Don worked as a research scientist for more than 7.5 years at the Defence Science and Technology Group (DST Group, formally known as DSTO); one of the leading government organisations in Australia. Further, he also contributed as the External Engagement Manager at Technology Partnerships Office at DST Group, and collaborated with academia and other industry partners. Currently, he is also contributing as an Adjunct Senior Research Fellow at the University of South Australia and has worked as a lecturer and a course coordinator for a Masters level engineering course.

He has supervised and mentored research associates, masters and undergraduate students from various engineering disciplines. He has a relentless passion and recognised ability to teach and extensive tutoring experience for more than 16 years for school years 5 – 12. Don has tutored and mentored more than 600 students to achieve successful outcomes in mathematics, physics and undergraduate engineering, computer science and mathematics subjects.

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Dr Esrom Leaman

Co-Founder & Operations Director

Esrom is an anaesthetics registrar at the Lyell McEwin Hospital, and the Operations Director at MedPrep. He graduated from the Bachelor of …

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Medicine/Bachelor of Surgery at the University of Adelaide in 2021 and from the Bachelor of Science (Mathematics and Statistics Extended) at the University of Southern Queensland in 2024. He is currently undertaking a PhD in the Health Economics of Perioperative Medicine at the University of Adelaide and the Royal Adelaide Hospital while continuing his clinical training in anaesthesia. He has spent thousands of hours tutoring over more than eight years and has helped students achieve outstanding results in a range of subjects. He has a particular interest in training students for the UCAT and Medical Interviews, and enjoys passing down both traditional and novel problem solving strategies and approaches to difficult interview questions.

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Halin Lee

Senior Tutor

Halin is currently in her fifth year of medicine at the University of Adelaide. Having studied extensively for the UCAT, she has been exposed to a vast array of questions, and is…

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enthusiastic about helping aspiring medical and dental students perform to the best of their ability.She understands the various challenges posed by the test and admissions process, and believes in the benefits of continuous support for students.Halin completed one year of the Bachelor of Health and Medical Sciences at the University of Adelaide before choosing to transfer into the MBBS, and achieved a 7.0 GPA. She scored in the 99th percentile for the UCAT.

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Iva Idris

Senior Tutor

Iva is a UCAT tutor at MedPrep, and a 1st year dental student at the University of Adelaide. She has tutored many students in a range of subjects such as English…

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Economics, Science, and Mathematics since 2020, and has helped them increase their confidence and attain their desired grades.She is eager to encourage and support students in their UCAT preparation and share helpful tips and tricks to help students reach their fullest potential.Iva’s achievements include achieving a 96/100 in her foundation studies programme (> 99 ATAR), 2022 Subject Dux for English at The University of Adelaide College, and was offered the University of Adelaide College International and Higher Achiever Progression Scholarships.

Our Team Would Love to Chat With You! Reach Out to Us Today.

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