
Entrepreneur and Venture Capital Investor
André Pienaar
André Pienaar is the Chief Executive and founder of C5, a specialist venture capital firm that invests in cybersecurity, space and nuclear energy with offices in Washington DC, London and Luxembourg.
“The way to get started is to quit talking and begin doing.”
Biography
André serves on the boards of IronNet Cybersecurity, listed on the New York Stock Exchange; BlueVoyant in the USA; Reduxio and Panoply in Israel; the Haven Group in Luxembourg and ITC Secure in London. He previously served on the Boards of Omada, Balabit and Shape Security which C5 exited successfully.
André started his career at Kroll Inc in 1996 where he became the youngest managing director until the successful sale of the company to Marsh & McLennan. In 2004 André founded G3, an international consulting firm that advises global companies and international law firms on cybersecurity. In 2011 he sold G3 to Europe’s leading technology investment holding company.
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André advised the 6th Duke of Westminster on the establishment of the new Defence and National Rehabilitation Centre (DNRC) in the United Kingdom as a state-of-the-art centre for the rehabilitation of injured British military veterans.
André serves on the Advisory Council of the US Institute for Peace (USIP), a US government agency dedicated to conflict resolution globally. He is a member of the Atlantic Council Task Force on Critical Infrastructure and Cybersecurity. André set up the Cyber Alliance to Defend Our Healthcare, a voluntary coalition of 36 cybersecurity companies to protect the healthcare sector from cyberattacks during global pandemics.
André’s charitable interests include the role of Director of the International Centre for Missing and Exploited Children (ICMEC) and the Limitless Space Institute (LSI), a non-profit organization that develops leaders and technologies, which in turn enables space exploration.
André is a lawyer and an expert on cyber law and cybercrime. He holds two law degrees and a Masters Degree in Strategic Studies from the University of Wales, Aberystwyth.

Recent Posts
Andre Pienaar Speaks at the US Nuclear Industry Council’s New Nuclear Capital Symposium
New Nuclear Capital Symposium, Washington D.C. MON, OCTOBER 24, 2022 • 9:00 AM ET C5 Capital and the Atlantic Council's Global Energy Center...
A Nuclear Renaissance in the Making?
Nuclear Energy Could Accelerate Decarbonization and Address Energy Crisis Credit: RTO Insider By: John Funk Nov 18, 2022 Read The Full Article 8...
‘Klein reaktors ’n langtermynoplossing’
Small Reactors a Long-Term Solution Credit: Rapport By: Antoinette Slabbert Nov 18, 2022 Read The Full Article
SA: R1.2 trillion needed to mitigate energy crisis as generation declines
Nuclear, renewables and customer solutions Credit: ESI Africa By Nasi Hako Nov 18, 2022 Read The Full Article To advocate for nuclear as a key to...
Andre Pienaar Speaks on Nuclear Energy as a Long-Term Solution to South-Africa’s Energy Crisis
Andre Pienaar addresses local authorities, business- and industry leaders on Nuclear Energy as a long-term solution to South-Africa’s energy crisis...
Andre Pienaar Saves the Famous Progressive Afrikaans Publication
Vrye Weekblad Saved by The Bell. SA-born Angel Investor Steps in to Save Famous Progressive Afrikaans Publication, the Vrye Weekblad. By Georgina...
Meridian Council Discussion – The Future of International Security Alliances
Presented By: Meridian International Center Andre Pienaar addresses young American diplomats at the Meridian International Center in Washington, as...
Regional Clean Energy Outlook Conference: Advancing Climate and Security Goals
About the Event: The Atlantic Council’s Clean Energy Conference in Istanbul on October 10-11, 2022 convened leaders from government, business, and...
The Future of South Africa’s International Security is with its People
ANDRÉ PIENAAR spoke about the future of international security alliances when he addressed young American diplomats at the Meridian International Center in Washington, DC last week. These are some of his thoughts and he also writes on the Guptas’ real role in state capture, Jacob Zuma’s links with the Kremlin and how the Russian/South African nuclear deal was scuppered.