Executive Leadership Team

Ronald leads and coordinates Certis’ multi-sector business in Singapore, playing a key role in strengthening Certis’ market leadership and influence locally. With a deep understanding of Singapore’s security industry, Ronald has forged strong, long-lasting partnerships and collaborations with key stakeholders across various sectors, and continues to guide Certis towards enhanced customer intelligence capabilities. Ronald drove the successful implementation and adoption of Security+, Certis’ unique service offering that orchestrates multi-service digital operations and led the way for integrated smart services offerings in the industry. Ronald continues to power Certis’ growth as an advanced security and specialist outsourcing partner.

Boon Gay leads the growth and development of Certis' industry-leading physical security business in Singapore, and is responsible for building up the operations-technology capabilities that underpin Certis' sophisticated solutions. With over 20 years’ experience as a senior civil servant and in the Singapore Police Force, Boon Gay leads the Certis team in Singapore in its commitment to public service and keeping the community safe. Drawing from his experience in operational strategies, systems and technological development, and ground execution for large operational units, Boon Gay continues to steer Certis’ solutioning, consulting, and integrated services businesses.

Hock Heng was appointed the Deputy Chief Executive, Singapore (Commercial) in June 2024, overseeing Certis Integrated Facilities Management and Integrated Solutions Group. A veteran with over 20 years of service in Certis, Hock Heng held various leadership roles at Certis Secure Logistics and Operations Technology. As former Head of Certis Integrated Services, Hock Heng's keen commercial acumen led to the successful acquisition of landmark projects such as Jewel Changi Airport and JTC South. Hock Heng is also concurrently Chairman EXCO, Qatar.

Leonard is the Chief Executive of Certis Technology Services Business, driving technology adoption, transformation and digitisation of Certis’ business and operations. Prior to his appointment, Leonard was Senior Vice President, Head of Certis Technology Singapore, as well as Deputy Head of Certis Technology Services Business.

Since joining Certis in 2017, Leonard led the formulation of an advanced, unified Command and Control platform within Certis, leveraging smart technology such as smart CCTV, IoT sensors, AI analytics and big data, to effectively manage all aspects of the precinct and built environment operations. Leonard is a seasoned technology executive with extensive experience in software engineering, information architecture and operational technology. He partners both internal and external stakeholders to deliver measurable business value and influence high impact, data-driven decision making.

Brett Pickens is Chief Executive, Certis Australia. He works together with the senior leadership team in Australia and Singapore to steer business strategy and drive continued transformation for Certis Australia.

Brett has held leadership roles with ISS, Wilson and Securitas, and brings with him a wealth of experience in the Business-to-Business service sector. He also has a strong foundation in sales and commercial management across Australia and the Asia Pacific region, helming roles such as Chief Commercial Officer.

Thriving on innovation, Brett has experience in deploying technology solutions, including IoT and big data, to deliver competitive advantages for the organisations that he has worked for.

Raahul Kumar is the Senior Vice President, Strategy & Corporate Development for Certis, working closely with business leaders to help drive the growth and transformation plans of Certis and its subsidiaries. He is also a Director within the Portfolio Develop Group at Temasek.

Raahul’s experience spans across multiple sectors including Business Services, Financial Services, Energy, Real Estate, Aviation, and Agri-commodities. He has also led internal strategic initiatives as part of Temasek’s CEO Office. Prior to that, Raahul was with strategy consulting firm Monitor Group in Toronto, New York, and Singapore, where he worked with the management teams of leading Fortune 500 companies across North America and Asia.

Originally from Canada, Raahul has a MBA with High Distinction from The University of Chicago Booth School of Business, and his Honours Business Administration with Distinction from the Richard Ivey School of Business at the University of Western Ontario.