Senior Management

Masmei Ginting
Vice President of Research & Development



Masmei has over 20 years of research and development experience, 12 of which have been specifically dedicated to medical device research and development.


Over the years she’s held various roles including People and Project Management, Architect, Researcher and Software Developer.


Apart from her diverse expertise and leadership ability, Masmei has lived and worked in multiple countries – this experience contributes to her capacity to effectively navigate and communicate with various cultures both intra and intercompany.


She has background in Computer Vision and Computer Science, and holds a Master’s degree from the University of Tokyo.




Ernst Serfontein
Chief Product Officer



Ernst has a vested interest in vision-care and holds various degrees within the Ophthalmic space. His passion for continual education, both clinically and commercially, has taken him on an elaborate global journey for the last 25 years.


Ernst’s experience ranges from start-ups, like private practices and Cassini Technologies, to prominent international corporates, like Specsavers Opticians, Optical Express and Bausch & Lomb Surgical, in roles encompassing Application, Marketing & Sales, B2B partnership, KOL relationship, Clinical Affairs and Product Development.


His ethical business practice, influential network, ever-growing expertise and effective leadership ability enables strategic thinking, innovation and dynamic action. Ernst is a Visionaire and understands what is needed in taking a product from infancy to commercial viability.


Ernst joined Cassini Technologies in 2013 prior to product commercialization and has shown true growth throughout his journey with the Cassini family.