Group Chief Executive Officer
Gregory Vizirgianakis

Bachelor of Commerce, Bachelor of Medicine, and Surgery (Neurosurgery)

Greg is the founder and Chief Executive Officer of US-based Medinotec Inc. Prior to that, he co-founded Surgical Innovations in 2004, where he was the Chief Operations Officer and Divisional Manager of Neuro and ENT Surgery until 2015.

Greg is a medical doctor by training, having practiced his profession as an MD for the South African Defence Force (“SANDF”) in 2001 and 2002. During this time he also worked part-time as clinical researcher.

A natural leader and influential motivator, Greg has a holistic approach to life, with a healthy competitive spirit. His ability to significantly improve business performance and streamline processes helps him to make any business venture an instant success.

Group Chief Financial Officer
Pieter van Niekerk

BAcc (Cum Laude), BAcc (Hons), Sox CPA (Cum Laude), Corporate Finance Certificate USA (Cum Laude) and CA(SA), Harvard Negotiations Course; Voted as one of the top 35 under 35 CA’s in South Africa during 2015 and 2016.

Pieter is the Chief Financial Officer and a founding shareholder of Medinotec Inc. He previously worked at PricewaterhouseCoopers, during which time he was seconded to the US twice. Pieter subsequently joined Ascendis Medical as the Deputy Chief Financial Officer in 2012, where he was instrumental in the listing of the company on the Johannesburg Stock Exchange, and in the M&A the transaction undertaken by Ascendis.

During his career, Pieter has gained extensive listing experience on stock exchanges in both the US and in South Africa, and has been involved in over 100 M&A transactions. He is a self-motivated, ambitious senior executive who has held various senior financial positions and matured into a well-rounded individual who makes a positive impact on anyone organization he works with.