Our People
Montanna Denouden
Managing Director Montanna Denouden is a senior HR executive and MBA graduate, with extensive global experience supporting complex, operational organisations. She has led large-scale HR and employee relations functions across more than 20 countries, working with workforces of over 500,000 employees in fast-paced, highly regulated environments.
Throughout her career, including senior roles at global organisations such as Amazon and Mondelez International, Montanna has partnered closely with CEOs, executives, and operational leaders to strengthen workplace culture, reduce people risk, and drive sustainable business performance. This background provides her with deep insight into the realities of fast-paced and ambitious workplaces.
Specialising in employee relations, culture transformation, and organisational effectiveness, Montanna brings a pragmatic, commercially minded approach. She is known for delivering clear, practical people solutions that balance compliance, leadership capability, and genuine human connection.
Driven by the belief that strong culture underpins operational excellence, Montanna serves as a trusted advisor to clients, building people practices that support continuous improvement and long-term business success.
Senior People Partner Emily Rath
Emily is a dedicated Senior People Partner who brings a Masters-level qualification and extensive experience across complex, fast-paced corporate environments, particularly within warehousing, manufacturing, and large-scale operations. She brings valuable global exposure from her work with leading organisations including Amazon, Mondelez International, and MECCA, where she supported diverse workforces across multiple regions and operating models.
Throughout her career, Emily has built trusted partnerships with leaders and employees alike, helping organisations create workplaces where people feel connected, motivated, and genuinely valued. She specialises in employee engagement and change management, adopting a people-first approach that balances commercial outcomes with human impact.
Passionate about aligning employee needs with business objectives, Emily delivers HR solutions that are practical, strategic, and grounded in empathy. Whether guiding teams through organisational change, strengthening workplace culture, or advising leaders on complex people matters, she brings a calm, collaborative, and solutions-focused style.
Driven by the belief that engaged employees are central to sustainable business success, Emily works closely with clients to achieve people outcomes that align organisational goals with meaningful human connection.
Catherine Denize
Senior HR Consultant Catherine is an experienced HR professional with over eight years’ experience across corporate and not-for-profit environments. She brings valuable breadth of experience from working with organisations such as Mondelez International and Save the Children, supporting diverse teams within both commercial and purpose-led settings.
Throughout her career, Catherine has built strong, trusted partnerships with business leaders, delivering practical, people-first solutions that enhance performance, strengthen engagement, and support compliance. She is known for her ability to provide clear, balanced advice that considers both business priorities and employee experience.
Specialising in employee relations and generalist advisory HR, Catherine supports leaders through talent reviews, complex employee relations matters, and policy development aligned to evolving legislation. She brings a calm, solutions-focused approach to her work and is driven by helping organisations navigate change while keeping people firmly at the centre..
Co-FounderDion Denouden
Dion Denouden is Co-Founder and Financial Operations Manager at Ouden Consulting, where he provides strategic financial oversight and drives operational excellence to support the firm's growth and client impact.
With strong leadership and governance experience from managing large-scale commercial operations and high-value project portfolios, Dion has held accountability for budgets exceeding $20 million and multidisciplinary teams. His ability to translate complex operational demands into structured, sustainable practices enhances the firm's delivery of value while scaling internal efficiency and performance.
At Ouden Consulting, Dion oversees financial strategy, performance monitoring, and business planning, maintaining rigorous fiscal discipline that underpins client outcomes, ambitious growth, and organisational resilience. He collaborates closely with clients and internal stakeholders to develop tailored operational frameworks that improve decision-making, mitigate risk, and align resources effectively.
Known for his pragmatic, analytical mindset and collaborative leadership style, Dion is passionate about cultivating a high-performance culture that delivers strong people outcomes. His commitment to operational integrity, clarity, and service excellence ensures Ouden Consulting remains responsive, sustainable, and purpose-driven in empowering organisations to thrive.