Barry Byrne

Co-founding Director

Barry Byrne leads Miller Byrne’s HR Recruitment Practice. He has over 15 years’ experience building high calibre HR teams across multiple sectors and European jurisdictions.

Prior to co-founding Miller Byrne, Barry was a Partner at Aretai LLP.

He joined Aretai in 2011 as a Director and led the HR Recruitment Practice from 2016. His early HR recruitment career developed at Digby Morgan and the Zarak Group, where he first met and worked with Jamie Miller.  

Barry has a strong track record of helping clients secure high performing HR generalists and specialists, and has a particular interest in tracking high potential and future HR leaders. Barry also established Miller Byrne’s Advisory Network, which provides client access to a range of Human Capital services.

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Portrait of Jamie Miller

Jamie Miller

Co-Founding Director

Jamie Miller leads the Marketing Recruitment Practice at Miller Byrne. He has over 15 years’ experience, working closely with a diverse range of clients across consumer, business and service sectors.

Jamie is committed to providing the best client and candidate service with clear and transparent communication. He has a focus on organisational culture as well as an in-depth knowledge of the market and enjoys nurturing the close working relationships he has built.

Before co-founding Miller Byrne, Jamie ran his own marketing recruitment consultancy. His early marketing recruitment career developed at Michael Page and The Zarak Group, where he first met Barry Byrne.

Rachel Aries


Rachel Aries provides Executive Coaching and HR Consultancy services to Miller Byrne’s client and candidate network. A highly experienced HR leader, Rachel has worked for a diverse range of leading global businesses across the pharmaceutical, media, banking and professional services sectors.

Rachel builds trusted partnerships with her clients through her core values of connection, collaboration and curiosity. Her straightforward approach brings clarity and confidence for her clients in navigating their challenges. Rachel has a Masters in Human Resource Management and holds a Diploma in Transformational Coaching.

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Portrait of Rachel Aries - Associate at Miller Byrne
Portrait of Amanda Cambell

Amanda Campbell


Amanda Campbell is an associate executive coach at Miller Byrne providing bespoke coaching for individuals and teams. An experienced business leader, having spent over 25 years in corporate affairs, sustainability and marketing, she brings a deep understanding of the challenges and practicalities that leaders face as they navigate today’s ever-increasing climate of change and complexity. 

Amanda brings a mix of business acumen with creativity, challenge and support to help leaders get the best out of themselves, their teams and their organisations. She qualified as an executive coach from Henley Business School and is a member of the International Coaching Federation.

Our values

Value Creation

Our vision is always focused on where we can add most value. Our practice areas are underpinned by extensive sector research and we seek to build meaningful networks across the HR and Marketing leadership community.


We are passionate about our work and the service we provide, bringing energy, vision and a healthy dose of grit to every assignment. We pride ourselves on proactivity, creating opportunities for both our candidates and clients.


We never make decisions based on the short-term; we see ourselves as partners, focused on sustainable solutions. That applies to how we work with clients, candidates and suppliers, as well as the relationship we have with our chosen community partner.


Our partnership with the Outward Bound Trust provides children and young people from a diverse range of backgrounds an opportunity to experience life differently. It aims to inspire new confidence, ability and belief through outdoor education.

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