Executive Leadership Team

Martin Mercer

Chief Executive Officer

Martin is the CEO and Managing Director at Scentia, guiding the growth of AIM, AIM Business School, ACHW, and IECL. He is passionate about helping people and organisations unlock their potential through education.

With more than 25 years of leadership experience across major Australian companies, Martin has led businesses through growth and transformation in sectors ranging from the Internet to digital services. He brings a strong commitment to innovation, people development and building lasting impact through learning.

Dr Christine Brickenstein

Chief Education Officer,
Higher Education

Dr. Christine Brickenstein is Chief Education Officer at Scentia, overseeing the education portfolio including AIM Business School and ACHW. She leads academic governance, regulatory compliance, and strategic program delivery.

Christine has over 15 years in higher education, and has held senior roles at institutions like the University of Sydney, where she led curriculum and policy initiatives. Christine holds a PhD in Law, bringing legal and academic expertise to drive accreditation success and quality outcomes.

Warren Creighton

Chief Financial Officer

Warren is Chief Financial Officer at Scentia, leading financial strategy and partnering with the board, executive team, and private equity to drive growth and manage risk. He oversees planning, capital management, and commercial operations, ensuring clarity in decision-making.

With nearly 20 years in the education sector, including roles at PwC and Study Group, Warren brings deep industry insight and commercial acumen. He holds formal qualifications in finance and accounting, grounding his leadership in strong technical expertise.

Steven Smith

Chief Technology and
Product Officer

Steve Smith is Chief Technology and Product Officer at Scentia, leading enterprise-wide digital transformation and product innovation. He aligns technology with evolving customer needs to drive engagement, efficiency, and growth.

With over 30 years of global executive experience, Steve has led subscription-based product strategies and customer experience initiatives across diverse sectors. He combines technical expertise with strategic insight to deliver impactful learning and business solutions.

Sam Turley

Chief Sales Officer

Sam Turley leads sales and progression teams across AIM, AIM Business School, and ACHW, driving learner engagement and growth. She champions the impact of education on individuals and organisations, fostering success through development and support.

With over 15 years of sales and leadership experience across technology, professional services, international development, and the arts, Sam brings cross-sector insight and a people-first approach to her work. Her leadership supports Scentia’s broader strategic goals.

Trenton Barnier

Chief Marketing Officer

Trenton is Head of Marketing at Scentia, leading strategy, stakeholder engagement, and customer experience across the group. He fosters collaboration, supports sales, and drives brand growth with a focus on team development.

Since joining in 2018, Trenton has evolved into a well-rounded executive, expanding his expertise in data analysis and leadership. He holds a Master of Marketing and brings warmth, insight, and a passion for professional growth to support Scentia’s broader strategic goals.

Aliki Voukelatos

Chief Quality Officer

Aliki Voukelatos is Head of Regulatory Compliance at Scentia, leading risk management and quality assurance across Higher and Vocational Education. She ensures alignment with TEQSA and ASQA standards, driving continuous improvement and strong governance.

With over a decade of experience in compliance across domestic and international education sectors, Aliki brings deep expertise in institutional performance. She supports the organisation with high-quality outcomes.

Shelley Tate

Chief People Officer

Shelley Tate is Chief People Officer at Scentia, leading human resources, leadership development, and cultural strategy across the group. She builds inclusive, high-performing teams through thoughtful leadership and continuous learning.

With a global career spanning multiple sectors, Shelley brings a strategic, people-first approach to organisational growth. She holds a Bachelor of Commerce, an MBA, and certifications in coaching and governance, including from the Australian Institute of Company Directors.