About Us

The Nielsen Network has a wealth of experience in communication and dealing with the media. Headed by media guru Bronwyn Nielsen, former Executive Director at CNBC Africa, and specialist communications consultant in crisis and reputation management.

We will ensure your message is always on point whether it’s communicating to the media, print, on radio, in the boardroom or any other digital or video platform.

TNN is a Digital First Company and you can do our Corporate Media Training Digitally to keep you safe during the current epidemic.

We will manage all your communication needs, whether it’s Reputation or Crisis Management, Communication Training or a Video Production.

TNN offers various packages for all sectors, CEOs and Executives.

Introducing Bronwyn Nielsen

Founder and CEO

With over 25 years’ experience in African and Global broadcasting, Bronwyn is one of Africa’s most experienced and well-known broadcasters.

During 2018 and 2017 alone Bronwyn has chaired debates and panel discussions at World Economic Forum events including Switzerland (Davos), South Africa (Cape Town and Durban), UAE (Dubai), China (Dalian) and India (New Delhi).

She is also called upon by leading business organisations and institutes, such as Milken Institute, African Development Bank and the ABN Group (which includes CNBC Africa and Forbes Africa) to moderate key live broadcast sessions at their global events.

Her expertise has resulted in CEOs, Chairmen, Presidents, Prime Ministers and Ministers from across the African continent asking her to provide media training, and to advise on media strategy.

She is a highly successful trainer, bringing to the table not just her broadcast experience but also an understanding of the inner-workings of the corporate world having held senior positions with listed companies.

During her time in-house, responsibilities included, developing and executing financial strategies and heading investor relations departments, achieving impressive share price, market cap and dividend increases.

Introducing Bronwyn Nielsen


Meet the Team

Janine Bester-Gertzen

Head of Business Operations

Janine Bester-Gertzen is head of operations at The Nielsen Network and has over 15 years media experience under her belt. She joined MoneyWeb as an Executive Radio Producer in 2005 until 2013 then joined CNBC Africa in 2013 as Head of Operations: Programming until 2018 when she left CNBC to join The Nielsen Network.

As head of operations it is Janine’s duty to manage all client relationships as well as solicit new business for the growing network. Janine has managed and overseen the production of hundreds of hours of financial radio and television programmes and her experience and knowledge of all media is invaluable in her role.

David O’Sullivan


David O’Sullivan is currently the host of KhayaFM’s award-winning Breakfast show and has been a journalist for the past 30 years.

He began his career as a cadet on the Rand Daily Mail, before moving into radio. He worked at Capital Radio for eight years, reaching the position of News and Sports Editor. He also worked as an international correspondent for several news networks, including Voice of America in the USA and Independent Radio News in the UK.

He then studied law and worked as a candidate attorney for Webber Wentzel Attorneys, specialising in media law with clients including the Star, Sowetan, Pretoria News, Carte Blanche and the BBC.

The lure of full-time radio was too strong and David left Webber Wentzel before writing his final board exams to join Talk Radio 702.

David Williams


David Williams is a broadcaster and journalist. He has been Investment Editor and Deputy Editor of Financial Mail, for which he still writes editorials.

Since 2003 he has been an interviewer and senior anchor for BDTV and CNBC Africa, and in that time he has conducted more than 3,500 interviews with executives, economists and politicians.

David has also broadcast on business and finance for Classic FM, and on rugby and cricket for Talk Radio 702 and Supersport. He has written several books on rugby, cricket and military history.