Andrew Tatrai is a Non-Executive Director and Advisory Board Member at ACESGroup. As founding Director and Principal, Andrew brings over 43 years of experience in entertainment, events, venue management, security industry guarding and technology. With a diverse range of qualifications, Andrew’s expertise and leadership play a pivotal role in shaping the strategic direction and growth of the company.

Managing Director, Travis Semmens has been actively involved in security planning, strategy and implementation for major events at the highest level both nationally and internationally for over 20 years. His strong leadership and client liaison skills combined with fundamental security operational empathy ensures that ACESGroup delivers the highest quality security services.

Leni Ison, Chief Executive Officer, has worked in business contract and compliance management since 2001. She is currently a Board Member of ACFIPS and previously had a career in sports marketing and event management. Leni is passionate about industry quality, compliance and reputation and she drives innovative systems to continuously improve services for and on behalf of our clients.

Chief Finance Officer Sonja Semmens is a financial leader who has built an impressive career with ACESGroup starting from the ground up. Her extensive expertise in security logistics and operations has played a pivotal role in streamlining financial operations and ensuring sustainable growth.

Harry Kopsaris, Head of Operations is an experienced security professional with a diverse range of industry knowledge and a particular focus on Aviation. Harry champions key operational and transformational initiatives, working collaboratively with stakeholders at all levels to drive strategic programs and deliver optimal results.

Head of Services, Roberta Stumpo leads performance and project initiatives, focussing on driving business transformation through meticulous portfolio planning and process improvement. Her chartered accountant background and certified internal auditor expertise, helps ensure high-quality outcomes and operational excellence.

Intelligence Manager, Helen Halcro brings a wealth of knowledge to the ACES Leadership Group. With an impressive 38 years of experience in the NSW Police Force, Helen is an expert in high-level intelligence and threat assessment. Her extensive background in major event security and data analysis is a perfect fit for our mission to deliver world-class solutions.

Legal officer, Nazli Hocaoglu, has extensive expertise in technology, privacy, data protection, and regulatory compliance as a commercial and technology lawyer. She brings a strategic, solutions-oriented approach to complex legal matters and skilfully navigates to the fast-evolving landscape of compliance and technology.

Peter Fawcett, Commercial Manager, understands of the complex challenges faced by our expanding client base. He is dedicated to tailoring innovative and customised solutions that address a diverse range of requirements. He fosters long-term relationships with key stakeholders and ensures our solutions meet the highest standards of reliability, excellence, and cutting-edge innovation.

ACESGroup RTO Manager Angela Miller brings over 20 years of experience in the training and education sector. She expertly blends her deep industry knowledge with a proven ability to deliver high-quality, compliant vocational education and training programs, specialising in the hospitality and security industries.

As the Head of Innovation and Technology, Ben Kulmar is dedicated to leveraging technology to improve performance and optimise client service delivery. With over20 years of experience in the technology space, Ben fosters a data-driven culture where connected systems facilitate effective decision-making and the provision of exceptional client services.

Momo is a highly experienced Risk and Safety Manager with over 24 years of continued service. Momo is known for his practical expertise in managing risk and safety for high profile, large-scale events. His deep theoretical knowledge, combined with a hands-on approach to planning and delivery, has earned him the respect of both industry professionals and regulators alike.

Domenic Giardini is an accomplished Workforce Planning Manager with 15 years experience across security, aviation, operations management and workforce planning. Domenic’s consistent drive for operational excellence is underpinned by a deep understanding of workforce dynamics. With a focus on data-driven decision-making, Domenic plays a pivotal role in the optimisation and strategic forecasting of resources.

HR Manager Emma brings a strategic approach to workforce planning and management, ensuring our people meet the evolving demands of a high-performing workplace. She is dedicated to creating a positive, inclusive work culture that fosters engagement, retention, and growth, whilst ensuring compliance with industry regulations and best practice.