The team

Entersekt’s global community – including our staff, board, and advisors – are integral to our success

Senior Management

SCHALK NOLTE - CEO, board member, Entersekt


CEO, board member

Schalk joined Entersekt as CEO in 2009, bringing with him experience in managing large-scale mobile technology and network deployments for GSM operators across Africa and the Pacific. Schalk's passion for entrepreneurship and his relationships in the industry have been driving forces behind Entersekt's growth.




SVP Marketing

Jeanne works closely with the CEO and sales teams to set marketing strategy, define a plan of action, and oversee its implementation by her team. Prior to this, she headed corporate communications at S1 Corporation, having established Mosaic Software’s technical documentation, training, and marketing teams.



SVP Europe

Claudius drives Entersekt’s expansion into Europe from our offices in the Netherlands. A seasoned salesperson with two decades’ experience in information technology, he has also helped establish a partner network in the region to further accelerate growth.

Hannes de Jager - VP Software Development


VP Software Development

Hannes is responsible for a large team of engineers who transform product ideas into our world class security software. Beginning his career as a programmer for Vodacom, Hannes has filled various positions in software development and software team leadership, and brings a wealth of knowledge with over 17 years’ experience in the field.




Gerhard provides the organizational and operations power that translates Entersekt’s vision into reality. He has a wealth of experience in developing and managing successful international software development and delivery teams.

NIEL BESTER - SVP North America, Entersekt


SVP Products

Niel is an engineer by training and has decades of experience in most facets of software development within the telecoms and IT industries. He is passionate about product and organizational strategy, and particularly enjoys working in a team to make something incredible happen.

SHERIF SAMY - SVP Products, Entersekt


SVP North America

Sherif manages Entersekt’s North American business, where his experience in establishing brand presence and building strategic partnerships positions us well for growth. A perfect fit at Entersekt, he has long been focused on cyber security, digital Identity, and payments innovation in fintech.

Frans Labuschagne Country Manager United Kingdom & Ireland

Frans Labuschagne

Country Manager United Kingdom & Ireland

Frans is responsible for Entersekt’s expansion into the UK and Ireland. He has over 15 years’ experience in managing technology-based organisations, accompanied by a solid background in strategic business development in the payments and financial services industry.

RONALD MAYER ca(sa)CFO - Entersekt



Ronald Mayer is responsible for the financial management of Entersekt, sharing his extensive experience in financial planning and analysis. Prior to joining the company, he worked in lending at Rand Merchant Bank and at EY as a chartered accountant and business consultant.




SVP Middle East & Africa

Pattison has over 20 years’ experience in the ICT industry, and has worked at a number of major corporations including Microsoft, Ericsson, and Motorola. He will be responsible for maintaining and growing Entersekt’s presence in Africa, as well as breaking into new geographic markets.



VP Operations

Adnaan leads Entersekt’s Operations Centre of Excellence, helping ensure that we are prepared for the next stage of our expansion. He has extensive experience in the managed services sector, including roles in global support and maintenance with MiX Telematics and others.

Jonathan Knoll - VP Business Development/Director Europe


Country Manager Central Europe

Jonathan brings to Entersekt over 25 years’ experience in business development, strategy, marketing, and sales – both in the US and Europe. Most recently, he served as Director Financial Services Strategic Partnerships at PayPal, furthering his already extensive knowledge of the digital payments and financial services industries.

Dewald Nolte - SVP Partners & Alliances, Entersekt

Dewald Nolte

SVP Partnerships & Alliances

Dewald is one of four founders of the company and is responsible for building Entersekt’s global network of strategic alliances and technology partners. Having been involved in several projects further afield than Entersekt, including the A-Darter missile program for Denel Dynamics, his technical ability is as impressive as his solid business acumen.

ELIAS BADENHORST - VP Customer Projects, Entersekt


SVP Customer Projects

Elias holds responsibility for Entersekt’s product implementations and all customer interactions associated with the rollouts globally. Our customers benefit enormously from his insight and experience in managing complex implementations of cutting-edge mobile technology.

RITA LINDENBERG - VP Human Resources, Entersekt


VP Human Resources

A perfect match for Entersekt, Rita excels at building strong, lasting relationships based on trust. Having managed an HR organization at a similarly fast-growing IT multinational, she has valuable experience managing change and fostering a shared culture in diversity. Before joining us, Rita worked at First National Bank and Clickatell.

Non-executive board members

Ramzi Mansour

Ramzi has a track record investing in and building market-leading companies. His private equity investment company, based in Lagos, Nigeria, invests in telecoms, mobile security, banking, property development, and power across the Middle East, Africa, and Asia.

Dominique Collett

Dominique is a financial services investor and innovation architect with experience in a variety of strategic positions. She is part of the executive team of RMI and RMB Holdings, the holding companies of many leading African financial services companies, and a founding member of a successful entrepreneurial fintech business.

Nathan Mintah

Nathan brings his investment banking experience and deal negotiation skills to Entersekt. He currently serves as the non-executive chairman of the Johannesburg Stock Exchange's Africa Advisory Committee.


Marthin Greyling

Marthin is a principal in the Nedbank Private Equity team and has more than twenty years’ investment experience across a variety of sectors, including retail, manufacturing, telecommunications, and technology. He brings extensive strategic and governance experience to the Entersekt board.

Andreas von Blottnitz

Andreas' experience in leading successful technology companies, such Citrix and AOL in Germany, has given him a unique perspective as an investor. He represented on the boards of Sonos and AppFolio. He is both investor in and board member of RightScale and Eucalyptus, and holds similar roles at LogicMonitor and Lastline.

Bruno Fernandes

Bruno qualified as a CA (SA) through KPMG and joined Nedbank Private Equity in 1999 after working in corporate finance in the UK. Bruno brings to Entersekt’s board more than 18 years of corporate finance and investment banking experience, and holds various board of directors and committee positions.

Willem van Biljon

Willem is a software executive and entrepreneur with decades' experience in building successful software products and companies. Successes include founding Mosaic Software, building Amazon's Elastic Compute Cloud and founding Nimbula, a cloud computing software provider acquired by Oracle. Willem is co-CEO and CIO of African e-commerce giant,

Lisa Chiume

Lisa worked as a research analyst at Deutsche Bank for 12 years, after which she joined the South African Corporate Finance team. Lisa gained experience in mergers and acquisitions and equity capital markets, and advised various South African financial institutions before joining RMI in 2014.

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