Kim Hulett

Kim Hulett crop

Founder & Chief Executive Officer

Bachelor of Computer Science (Rhodes University), Higher Diploma in Accounting, CA (SA), Certificate in International Tax.

After graduating from Rhodes University with a Bachelor of Computer Science Degree, Kim Hulett completed a Higher Diploma in Accounting. She qualified as a chartered accountant after completing her articles with Price Waterhouse in Johannesburg. Kim joined Hambros Bank in London, focusing on cross border corporate finance. After returning to South Africa, Kim set-up her own consulting business in corporate finance, structured finance, tax, and black economic empowerment transactions, and was actively involved in the incubation of a number of businesses in the media, entertainment, technology, security and medical industries. Kim is a trustee of the Oliver & Adelaide Tambo Foundation and also a member of Abundance 360, an international entrepreneurial programme set-up by Peter Diamandis, which aims to turn success into significance using disruptive exponential technologies.

Kim founded Next Biosciences together with Netcare Limited in 2005 and is responsible for the overall strategy and management of the business.

Dr. Yvonne Holt

Yvonne Holt

Chief Medical Officer

MBBCh (Wits), Diploma in Child Healthcare, Diploma in Transfusion Medicine.

Yvonne Holt graduated from the University of the Witwatersrand 1997 with a Bachelor in Medicine and Surgery (MBBCH Wits). Yvonne worked as a Medical Officer in the departments of Paediatrics and Obstetrics and Gynaecology for 4 years after graduation, and obtained a Diploma in Child Health (DCH) during this time.

In 2006, Yvonne’s interest in the fields of Obstetrics and Gynaecology, Paediatrics and stem cell technology brought her to a new career path when she joined Next Biosciences as Medical Director. In this capacity, Yvonne is responsible for the medical development of the stem cell program at Next Biosciences and highlighting the benefits of this new technology. In 2011, Yvonne completed a 2 year, internationally recognised Diploma in Transfusion Medicine through the University of Bloemfontein.

With Next Biosciences expanding services, Yvonne remains responsible and oversees all medical development and laboratory management of the new services.

Andre Crawford-Brunt



Bachelor of Commerce (Rhodes University).

After matriculating from St John’s College, Andre graduated from Rhodes University with a Bachelor Degree in Commerce. He started his career at Ivor Jones Roy & Co (IJR) on the Johannesburg Stock Exchange in 1994. In 1998 he became a partner before IJR was sold to Deutsche Morgan Grenfell and subsequently moved to the UK in 2002, where he ran numerous businesses for the bank including a European proprietary fund as well as the Emerging market and European Equity trading businesses. Andre relocated to New York in 2010 to run the bank’s US trading business. In 2012, he became the Global Head of Equity Trading for Deutsche Bank.

Andre is a member of Abundance 360, an international entrepreneurial programme set-up by Peter Diamandis of Singularity University.

Andre has investments and interests spanning artificial intelligence, computational finance, disruptive ecommerce start-ups and biosciences.

Dr Nhlanhla Msomi



BSc (Honours) in Molecular Genetics in Biotechnology (Sussex University (UK), PhD (Genetic Engineering) (UKZN), Diploma in Management Accounting & Finance (Varsity College), International Executive Development Program (Wits Business School).

Dr. Carola Niesler


Chief Scientific Officer

BSc (Honours) in Biochemistry (Stellenbosch, SA), PhD in Clinical Biochemistry (Cambridge, UK).

Prof Carola Niesler is an established NRF-rated scientist whose research has focussed on stem cells in regeneration and repair. She is currently an Associate Professor of Biochemistry and Academic Leader of Biotechnology in the School of Life Sciences at the University of KwaZulu-Natal, SA,

She started her research career analysing adipose-derived stem cells during her PhD at the Department of Clinical Biochemistry, University of Cambridge, UK, and subsequently spent two years in a Centre of Excellence for wound healing research at the School of Biological Sciences, University of Manchester, UK.

In 2001 Carola joined Stellenbosch University to establish a Stem Cell Biology Group in the Department of Physiological Sciences. During this time, she also acted as a Director of Virtus Clinical Development, a clinical research organization based in Cape Town. Prof Niesler has published more than 33 papers in international peer-reviewed journals and graduated more than 20 PhD/MSc students.


Shelley Bredin

Shelley Bredin

Managing Director of Netcells

Bachelor of Commerce, Honours in Economics

Shelley completed her Bachelor of Commerce degree with Honours in Economics at Rhodes university in 2008. From there she joined the Corporate and Investment Banking Graduate programme at Standard Bank. After her graduate year she moved over to the Personal and Business Banking division in Africa and worked on various projects to grow financial services across Africa. Following on from her five years at the bank she sought a new challenge and pursued her creative interests. She opened up her own design business and gained invaluable experience in running this for 2 years. At the beginning of 2016 she partnered with an established wholesale business to open a workshop focusing on manufacturing of soft furnishings where she was primarily responsible for operations and logistics and day to day management of the workshop.

More pursuant of her love of health care and wanting to make a difference, Shelley joined Next Biosciences in November 2017 as a Business Development Manager, looking for new products and services in the personalised healthcare space which could add value to the practitioners and clients of Next Biosciences. In January 2019, Shelley moved into the Netcells business unit, where she now heads up the division. She hopes to educate as many people as possible about the value of stem cells and the potential they hold for treatments in the future.

Catherine Holmes

Catherine Holmes

Managing Director of Next Genetics

Bachelor of Business Science, Marketing Honours (University of Cape Town).

Catherine matriculated from St Mary’s D.S.G in Kwa-Zulu Natal in 2004, and then graduated from the University of Cape Town in June 2009 with a Bachelor of Business Science and Honours in Marketing.

Catherine joined Next Biosciences in June 2010 as Marketing and Communications Manager, where she is responsible for all aspects of client-related marketing and communications. To date, Catherine has been instrumental in a number of exciting projects: implementation of an e-commerce platform for clients to register on-line, a lead management system, an on-line gift registry, an on-line client feedback survey as well as a number of successful marketing campaigns.

Catherine has a passion for social media marketing as well as digitizing the consumer decision journey and client interaction with Next Biosciences.

Tanya Nel

Tanya Nel

Head of Sales

WITS Management Advancement Program (MAP)
CIBM – IMM – Marketing Certificate

After matriculating  in Kwa-Zulu Natal, Tanya completed her tertiary education at the Natal College of Nursing. She then changed career direction and has spent the last 25 years in Pharmaceutical Sales and Marketing.

Tanya spent the majority of these years at two major Multi-National Pharmaceutical Companies (GlaxoSmithKline and Novo Nordisk)  in various roles in both middle and senior management, as a National Sales Manager and Business Unit Head,  across therapeutic areas spanning HIV, Vaccines, Diabetes, Antibiotics, Asthma and  Haemophilia. Tanya’s main responsibilities included: launching products into the SA market, collaboration projects with various stakeholders such as NGO groups and Patient Advocacy groups and implementation of  Coaching Programs aligning sales teams to achieve commercial objectives.
Apart from her studies in Marketing and being awarded Top Achiever at Wits Business School, Management Advancement Program (2009 cohort) , Tanya also is also an ACSTH accredited Lifeskills Business Coach (2013).

Tanya has a passion for projects and programmes within healthcare and health sciences where she can work with teams who add value to individuals and their families in order that they are more empowered and educated to make decisions around their health.

Carina Neophytou

Carina Neophytou

Chief Financial Officer

Bachelor of Commerce, Accounting Honours (University of Johannesburg), CA (SA).

After completing her Bachelor of Commerce, Carina obtained a Bachelor of Accounting Honours Degree from The University of Johannesburg in 2007. She then joined RSM Betty & Dickson (Johannesburg) in 2008 under a training contract and qualified as a Chartered Accountant in January 2011. Carina has audit experience in retail, manufacturing, property and investment companies and also gained extensive experience in the audit of retirement funds. Carina joined Next Biosciences as Financial Manager in October 2010 and is responsible for the financial management, accounting and related taxation and administration functions of Next Biosciences’ operations.

Our Scientific Advisers

Dr. Musa Mhlanga


International Scientific Adviser

BS (Georgetown University), PhD (NYU School of Medicine).

Dr. Musa Mhlanga is a cell biologist who holds a PhD in cell biology & molecular genetics from the New York University School of Medicine (2003). He began his PhD at Rockefeller University and upon completion of his doctoral work he was awarded a National Science Foundation postdoctoral fellowship at the Institut Pasteur in Paris to work in the laboratory of nuclear cell biology.

In June 2008 he joined the Council of Scientific and Industrial Research (CISR) in Pretoria, South Africa where he headed the Synthetic Biology Program, and was the research group leader of the Laboratory of Gene Expression and Biophysics. He currently leads a major translational research initiative at the University of Cape Town.

Dr. Mhlanga also holds a visiting faculty appointment to Harvard Medical School and to the Institute of Molecular Medicine in Lisbon, Portugal. He is the founder of three early stage Biotech start-up companies in France, United States and South Africa.

Prof. Marco Weinberg


International Scientific Adviser

BSc Honours in Medical Biochemistry (Wits), PhD in Molecular Biology (Wits).

Prof. Marco Weinberg is a biochemist and molecular biologist whose research career has focused on the study of gene regulation and the role of engineered nucleic acids as novel therapeutics. He is currently an Associate Professor in the Department of Molecular Medicine at the University of the Witwatersrand Medical School, South Africa and concurrently an Assistant Professor at the Scripps Research Institute, California, USA.

He has pioneered the use of fast-cleaving hammerhead ribozymes, short hairpin RNAs, long hairpin RNAs, mirtrons, aptamers and CRISPR tools as powerful gene silencing agents against viral diseases and cancer. His work on antisense non-coding RNAs as epigenetic modulators of gene expression has opened-up several new avenues for translational research using novel strategies to silence (and activate) viral genes. Prof. Weinberg has published over 55 papers with several in prestigious international journals and is rated by the National Research Foundation (NRF) as a leading international scholar.
He has successfully graduated 20 doctoral/masters students and several postdoctoral fellows and is on the editorial board of Molecular Therapy and the South African Journal of Science. Lastly, Prof. Weinberg is an inventor on 6 international patents and co-founder/director of Zetta Genomics International, a start-up company involved in clinical next generation sequencing analytics.

Dr. Chris Maske

Chris Maske


MBChB BSc(Hons), DPhil(Oxon) FCPath