Directors

Managing Director

David De Lima (PSIRA 70152)

David De Lima founded 24/7 Security Services after recognising a market opportunity to establish a dynamic security partner for both residential and corporate clients. With over 30 years of extensive experience in the commercial and residential security sectors, David brings a wealth of expertise in delivering tailored security solutions.

His leadership is underpinned by decades of ownership and senior management experience within some of South Africa’s leading security companies, complemented by his background in law enforcement.

A strong advocate of innovation, David actively champions the integration of advanced security technologies and drives strategic investment in cutting-edge projects across 24/7 Security Services.

Human Resources Director

Maria Viljoen-Manana (PSIRA 2366433)

Maria Viljoen-Manana has been an integral part of the security industry since 1993, holding senior positions across several leading security companies. She currently oversees the day-to-day operations of 24/7 Security Services’ Human Resources Department, with key responsibilities encompassing strategic staffing, compensation and benefits, training and development, budgeting, and labour relations.

Maria holds certifications in VIP Payroll, Bookkeeping, UNISA Human Resource Management, and UCT Human Resource Management. She plays a pivotal role in Strategic Organisational Planning and has been instrumental in establishing fair employment practices for security personnel, including a comprehensive job retention programme.

A firm advocate of people as the organisation’s most valuable asset, Maria ensures that employee welfare and development remain a top priority. She also serves as a Board Member of the National Bargaining Council for the Private Security Sector.

Financial Director

Gina De Coster (PSIRA 3072741)

Gina De Coster is a finance professional with a strong track record in managing high-performing teams within dynamic business environments. She recognises the critical role that robust financial management plays in supporting and driving the company’s strategic objectives.

Gina qualified as a Chartered Accountant in 2006 and completed her MBA at the Gordon Institute of Business Science in 2014. She has led several successful finance teams in the private sector, consistently delivering operational excellence and financial insight. She thrives in the fast-paced security industry and believes that with the right leadership and motivation, any team can achieve exceptional results.

Technical Director

Rina van der Merwe (PSIRA 4290208)

Rina van der Merwe is a highly experienced security professional. Her extensive expertise is grounded in hands-on experience across multiple sectors, gained at some of South Africa’s leading security companies.

Rina combines her security knowledge with strong financial acumen, having held senior management roles in finance, administration, armed response, and technical operations. This breadth of experience provides her with a deep understanding of security disciplines and the ability to leverage both resources and technology to achieve strategic objectives.

She is committed to people development, recognising the critical role individuals play in building high-performing teams. Rina prioritises training, innovation, and effective communication to ensure the delivery of exceptional service to clients.

Non-executive Director

Antoinette Morris (PSIRA 87718)

Antoinette Morris brings over 30 years of experience in the security industry, complemented by a 34-year career in finance. She thrives in dynamic, high-pressure environments and embraces new challenges with a proactive and solutions-focused approach.

Driven by collaboration with positive and high-performing teams, Antoinette is committed to making a meaningful impact through her work. She plays a pivotal role in advancing the company’s transformation initiatives, ensuring alignment with strategic objectives and promoting organisational growth.