Our Leaders

Driven by the desire to help vulnerable people, Marcella Romero studied occupational therapy & completed a Postgraduate (Occ Rehab) and a Masters in Health Sciences before founding her first company, Rehab Management in 1998.
Marcella expanded her business from a one-woman home office to a successful group employing over 600 people nationally across 140 +offices.

Today, Arriba Group comprises four successful enterprises — Rehab Management, AimBig Employment, LiveBig and OneRedDoor. For over 27 years, Arriba Group has positively impacted the lives of more than 850,000 Australians following injury, disability, or ill health.

Marcella is a strategic, dynamic leader and entrepreneur who puts her business success down to passion, and working harder, longer, and smarter. She is known for challenging the status quo, her collaborative attitude, her willingness to take advantage of opportunities and her ability to take risks to make informed strategic decisions.

Marcella’s family is her touchstone, crediting her husband Craig and their three children for keeping her continually focused on doing her best.

Marcella’s entrepreneurial achievements have been recognised by multiple industry awards, including EY Entrepreneur of The Year™ National Finalists (2023) and CEO & Entrepreneur of the Year from the CEO Magazine Global (2021).

He holds a Bachelor of Kinesiology and a Master’s in Marketing, and brings over 15 years of leadership experience in the sports industry alongside over 24 years in the healthcare sector.

With more than two decades of expertise spanning workplace rehabilitation, disability services, employment solutions, and work health, safety, and wellbeing, Craig contributes a wealth of knowledge and strategic insight to the organisation. His leadership is grounded in a deep understanding of business growth, risk management, talent development, and innovation.

Craig plays a pivotal role in guiding diligence practices and providing strategic advice across planning, finance, and innovation. His focus is on creating sustainable growth while ensuring the organisation remains aligned with its purpose of empowering the lives of others. He is passionate about fostering inclusive, socially responsible workplaces and works closely with senior leaders to embed a community-driven, diverse, and people-first culture.

Craig’s commitment to excellence and innovation continues to shape the strategic direction of the Arriba Group, supporting its vision to lead positive change in the lives of individuals and communities across Australia.

He is currently an emergency department doctor at Gold Coast University Hospital and a senior lecturer at Griffith University, where he also co-leads the BioSpine research program focused on spinal cord injury.

Dinesh holds a Doctor of Medicine from Griffith University, a Bachelor of Laws from QUT, and is a graduate of the Australian Institute of Company Directors. He brings a unique perspective to governance through his lived experience as Queensland’s first quadriplegic medical intern and his ongoing work in health, law, and disability inclusion.

He has served as a senior advisor to the Disability Royal Commission, is an ambassador for the Human Rights Commission’s Includeability program, and is a founding member of Doctors with Disabilities Australia. Dinesh also contributes as a board member of the Housing Hub and as an independent non-executive director of George Steuart & Co, one of the world’s oldest companies.

His contributions have been recognised with numerous honours, including the Medal of the Order of Australia, Queensland Australian of the Year (2021), and the Henry Viscardi Achievement Award. His memoir, Stronger, was published in 2022.

He has advised on a wide range of high-profile, cross-border transactions in sectors including mining, healthcare, real estate, infrastructure, and industrials. Most recently, James served as Co-Head of M&A and General Industrials at Bank of America in Sydney, where he led strategic advisory and deal execution for major clients.

Prior to this, James held senior leadership roles in Singapore as Head of Southeast Asia M&A, overseeing complex transactions across emerging and developed markets. His earlier career included roles at Greenhill Caliburn and a foundation in corporate and commercial law with Dibbs Barker.

In 2024, James transitioned from investment banking to entrepreneurship, becoming co-owner of a fire protection and inspection business based in Sydney’s Northern Beaches. He continues to advise select clients on mergers and acquisitions, leveraging his deep expertise in corporate strategy and capital markets.

James’ strategic insight, leadership experience, and commercial acumen make him a valuable contributor to the Arriba Group’s mission of delivering innovative, people-focused solutions that improve lives and strengthen communities.

She has held senior executive roles, including General Counsel and Company Secretary, where she has provided trusted counsel to Boards, CEOs, and executive teams across complex regulated sectors.

Vanessa’s legal leadership spans commercial contracts, litigation, compliance, environmental law, and governance. She is known for her ability to lead high-performing, multidisciplinary teams and for aligning legal and operational strategies with broader organisational goals. Her approach combines strategic insight with a strong commitment to ethical leadership and regulatory integrity.

She has also held prominent executive roles in the higher education sector, including Executive Director of Strategic Projects at the University of Wollongong and President of UOW College Hong Kong. In these roles, Vanessa led major institutional initiatives, strengthened governance frameworks, and delivered operational efficiencies in dynamic, matrixed environments.

Vanessa is recognised for her ability to navigate complex legal and regulatory landscapes while fostering innovation, collaboration, and accountability. She is passionate about empowering teams and building inclusive, values-driven cultures.
With a proven track record in governance excellence and strategic execution, Vanessa brings valuable insight and leadership to boardrooms, particularly in organisations undergoing transformation or operating in highly regulated industries.

Renee joined Rehab Management as an experienced Occupational Therapist with a background in People & Customer management. Renee has over 11 years-experience in Occupational Rehabilitation including workplace rehabilitation consulting, working with employers to mitigate injury related risks, national account and operational management. In her role as Chief Executive Officer, Renee is responsible for service delivery, innovation, customer and operational management across Rehab Management.

A CFO of the year Finalist (CEO Magazine Awards, 2013) with over 20 years’ industry experience, Glenn oversees Rehab Management’s financial services team. Glenn’s highly focused, energetic style is characterised by in-depth allied and corporate health knowledge and strong leadership skills to inspire his team and continually drive the business’ financial success.

James is an experienced information technology professional with over 20 years’ experience, over ten of these in senior leadership roles. He has worked in the government, corporate and not-for-profit sectors and in a wide range of industries including communications, broadcast, aged care, disability, community services and healthcare. During his career, James has led significant business transformation projects, managing the integration of all aspects of information technology for major mergers and acquisitions. When developing and implementing IT strategies, James ensures that they are in alignment with the overall strategy and goals of the business. He is a great believer in enhancing customer satisfaction through customer-centric design.

Louise is an experienced marketer with a deep customer-centric approach, with over 20 years’ experience in services marketing. She started her life in advertising working across blue-chip clients. Moving client-side, she has held senior marketing roles in finance, not-for-profit and government agencies including BPAY, BT Financial Group, Austrade and the Benevolent Society. A strategic marketer that drives business growth through innovative customer centric campaigns and activities, her team’s responsibilities includes marketing, internal communications and tender management. She is a passionate believer in the power of brand to shape the destiny of companies.

Julie is a purpose and values driven people executive with over 20 years of HR experience in complex local and international business environments across Healthcare, Technology, Media, Professional Services, Financial Services and Higher Education sectors. Julie started her career in Talent Acquisition before moving into HR Leadership roles in both Australia and London . Julie has held senior people roles at Rapid Response Revival, UOW Global Enterprises, Mercer, Salmat and Avanade. She is avid technology enabler, with a passion for growth environments to support the development of employees and leaders.

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