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Voices from the Free State: Episode eight – featuring David Uwah

06 September 2021 | Story Dr Nitha Ramnath | Photo Supplied

David Uwah’s journey in business, and his combination of industry and leadership insight internationally is considered valuable to any entrepreneur. As such, he is affiliated with several initiatives that focus on building young entrepreneurs.

François van Schalkwyk and Keenan Carelse, UFS alumni leading the university’s United Kingdom Alumni Chapter, have put their voices together to produce and direct the podcast series. Intended to reconnect alumni with the university and their university experience, the podcasts will be featured on the first Monday of every month, ending in November 2021. Our featured alumni share and reflect on their experiences at the UFS, how it has shaped their lives, and relate why their ongoing association with the UFS is still relevant and important. The podcasts are authentic conversations – they provide an opportunity for the university to understand and learn about the experiences of its alumni and to celebrate the diversity and touchpoints that unite them.

Listen to the podcast at

Our podcast guest

David Uwah is the founder and director of Zenncon Facility Management. A prominent businessman in South Africa and the greater part of Africa, Uwah is a consummate professional with strong business development skills, particularly in management, strategic planning, and marketing strategy. Uwah has successfully established Zenncon Facility Management to become an industry leader in South Africa.

A former chairman of Black Management Forum in the Free State, Uwah began his career at Firenze Consulting in London, UK. Uwah proceeded to Liberty Life as a financial adviser, followed by Cafenet Computers as director, and later became director of Brand New Afrika. He is also director of Zennfika Sahara Pty Ltd and is currently Chairman of the group of companies ZNND Group Pty Ltd. Uwah is a strong business development professional with a master’s degree focused on Disaster Management from the University of the Free State.

For further information regarding the podcast series, or to propose other alumni guests, please email us at alumnipodcast@ufs.ac.za

For all Voices from the Free State podcasts, click here

News Archive

Heart-valve studies receive international recognition

2017-07-11

Prof Francis Smit, Head of the Department of
Cardiothoracic Surgery at the UFS, and Manager of the
Robert WM Frater Cardiovascular Research Centre, with
Kyle Davis, Mechanical Engineer at the centre.
Photo: Rulanzen Martin

Three heart-valve studies which have been developed at the Robert WM Frater Cardiovascular Research Centre at the School of Medicine at the University of the Free State (UFS) were recently presented in Monte Carlo at the conference of the prestigious global Heart Valve Society (HVS).

These studies are all headed by Prof Francis Smit, Head of the Department of Cardiothoracic Surgery at the UFS, and Manager of the Robert WM Frater Cardiovascular Research Centre.
Prof Smit says the HVS is a combination of the former heart-valve societies of Europe and the US. “Studies on heart-valve disease, heart-valve-related products and operations, as well as the design and development of new valves were presented. There are both clinical and development divisions.

He says the study in which the hemodynamics of their redesigned mechanical poppet valve was compared to a commercial bi-leaflet mechanical heart valve, was named as the best poster presentation in the experimental valve development and numerical flow dynamics division. The study, which was presented by Kyle Davis, mechanical engineer at the centre, competed against some of the best heart-valve research units in the world.

The redesigned valve, based on the 1960s Cape Town poppet valve, has the potential to provide a low-cost solution for mechanical heart-valve replacement. It is possible to produce the titanium ring with 3-D printers and is, together with the silicon poppet valve, extremely inexpensive compared to current mechanical valve-manufacturing processes.
The advantages of this valve over current mechanical valves is that, due to the effective and laminar flow characteristics, as well as the simple locking mechanisms, there is a reduced chance of valve thrombosis, and the need for anti-clotting drugs is therefore limited.

It was also confirmed that the new valve more than meets the published FDA (Federal Drug Agency) requirements, which determine the minimum standards of valves for human use in the US.

The redesigned valve also has a very low platelet activation impact, which is responsible for platelet thrombosis and leads to valve thrombosis or strokes. This valve is another heart-valve project by the centre, which is also in the process of evaluating a tri-leaflet polyurethane valve developed by them.

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