Rosarii Mannion

Meet Rosarii Mannion, a seasoned corporate leader with 30 years of experience at Deloitte, driving success through strategic planning, coaching culture, and organizational development.


  • 30 years of experience in corporate leadership with Deloitte, encompassing various management roles.
  • Global Board Director at the International Coach Federation (ICF) Board.
  • Nationally recognized as the Director at Health Service Executive (Ireland).
  • Proficient in developing and implementing People Strategy, enhancing Customer Service, promoting Equality & Human Rights, ensuring effective Governance, driving Quality Improvement, and fostering Coaching Culture.
  • Holds an MSc in Organizational Behavior and Organizational Development from the prestigious University of London.


  • Cultivating a dynamic and empowering Coaching Culture within organizations.
  • Designing and implementing strategic People Strategy to drive organizational success.
  • Elevating Customer Service standards to deliver exceptional experiences and foster customer loyalty.
  • Ensuring effective Governance practices while championing Equality & Human Rights principles.
  • Leading initiatives for Quality Improvement to enhance operational excellence and deliver superior outcomes.
  • Developing comprehensive Strategic Planning and Organizational Development strategies to achieve long-term goals.


Rosarii Mannion emerges as a highly accomplished and seasoned HR Director, renowned for her remarkable contributions in key leadership positions. Most notably, she served as the National HR Director in Ireland’s largest employer, the Health Service Executive, where she oversaw an impressive workforce of 120,000 employees.

With a steadfast commitment to maximizing staff performance and engagement, Rosarii is a firm believer in the transformative power of coaching and mentoring within the workforce. In recognition of her exceptional coaching skills, she was honored with the prestigious ICF Ireland Business & Executive Coach of the Year award in 2017. Furthermore, her outstanding leadership led the health services to secure the esteemed ICF Global Prism award in 2018. In the same year, she was also recognized as the Ireland HR Leader of the Year, cementing her reputation as a trailblazer in the field.

Rosarii’s expertise is further bolstered by her impressive qualifications. As a Chartered Fellow of the CIPD, she brings a wealth of knowledge and professionalism to her role. Additionally, she holds certifications as a Mediator, Executive, and Conflict Coach, showcasing her versatile skill set. Her academic achievements include a BA, HDip, MA, and MSc, and she is currently pursuing a PhD, underscoring her dedication to continuous learning and staying at the forefront of her field.

Beyond her illustrious career, Rosarii’s influence extends globally as an executive coach operating at the PCC level, spearheading a thriving international coaching practice. She has also made her mark as an author, sharing her wisdom and insights in her acclaimed book, “Live Your Life Above The Blades of the Blender“.