Meet the A-ha Team

Katriina Tahka


What Katriina doesn’t know about Human Resources isn’t worth knowing! She’s a creative and practical leader with a serious commercial spine, who quickly connects expertise + fresh ideas to create solutions that work. Her career has spanned leadership roles in different industries, sectors and countries. CEO + Founder of A-HA, Katriina is passionate about building inclusive workplaces where all people thrive and realise their full potential. Healthy teams with engaged people deliver both business and community success.

Roy Ah-See

Indigenous Advisor

Roy Ah-See is an inspirational leader who believes land rights and connection to country is integral to the spiritual healing and cultural empowerment of Aboriginal people. Roy is the Co-Chair of the Prime Minister’s Indigenous Advisory Council, Chairperson of the NSW Aboriginal Land Council (NSWALC), a Board member of the Indigenous Business Australia (IBA), and Indigenous Land and Sea Corporation, (ILC).

Frankie Toffolo

HR Legal Adviser

Frankie was admitted as a lawyer in New South Wales in 2022 and with 5 years’ experience in criminal law, she is excited to apply her skillset to the world of HR and employment law. Frankie has a particular interest in exploring issues relating to the ever-changing nature of the workplace, and how these align with her passion for strengthening company culture for the better.

Priscilla Spalding


Ever since beginning university, Priscilla has demonstrated her passion and commitment to the legal career by taking on a volunteer position as a legal intern, from there she has accrued 4 years of experience in several areas of law as a paralegal. As she is currently studying a Bachelor of Laws and Bachelor of Business majoring in Human Resources she is able to combine her knowledge to come up with solutions for compliance with workplace relations.  Prisclla enjoys volunteering in her free time by contributing to the UTS Law Students Society wellbeing initiatives.

Aleksandra Radujko

Senior Human Resources Consultant

Aleksandra is an inspiring HR professional dedicated to organisational growth. With five years of experience in the tech startup/scaleup industry, she excels in People & Culture. Her strategic workforce planning and recruitment drive rapid company growth, while her tech-savviness ensures efficiency with the latest HR tools.

Bernadette Thomas

P&C Director

Bernadette is a seasoned People and Culture Executive, leadership coach, and founder of welltech and femtech apps. Known for her pragmatic and empathetic approach, she helps clients start and scale businesses with innovative strategies and insights for growth.

Michelle Duby

Head of Development

Michelle is a seasoned organisational development and learning professional who combines a deep knowledge and understanding of human behaviour with a wealth of real-world experience from both the corporate and public sectors. With over 20 years of experience in leadership and culture development, change management and organisational performance in a range of industries and sectors, Michelle has an extensive “kit bag” to draw from to tackle any challenge.

Jodii Maguire

Performance Psychologist - WA/NT Lead

Jodii is a highly respected practitioner with over 15 years experience in Human Resources, Performance Psychology, Leadership Development and Wellbeing, in both organisational and sporting contexts across Australia. Jodii is committed to assisting clients develop and implement practical strategies to improve individual and team performance & wellbeing.

George Paramananthan

Investigations Lead

George is a multifaceted senior leader with extensive experience as a transformational executive. Working with clients and internal stakeholders to achieve commercial growth, he builds successful business partnerships and utilises effective communication through a proactive, strategic and outcome-focused manner.

Mark Wilde

Employment Law Specialist

Mark is our ER/IR guru. As a specialist employment and workplace relations lawyer with over 20 years’ experience acting for some of Australia’s largest employers on a range of matters, he brings invaluable expertise to A-HA clients.

Deb Travers-Wolf

HR Specialist

Deb is an experienced international HR leader, with expertise in complex Leadership and Culture Transformations. Formerly from the Tech sector, Deb has over 20 years’ experience delivering evidence-based Diversity & Inclusion strategies. She has extensive intercultural experience in the APJ & Greater China, US, LATAM and European regions, Brazil and Bulgaria.

Katrina Nadschlaeger

HR Specialist

Katrina has 20+ years experience across all areas of HR/ER. She has a proven track record of success in managing transformation + change projects, developing people & industrial relations strategies, and working closely with senior business leaders to achieve successful outcomes.

Jason Eagleton

HR Specialist

Jason is a commercially astute HR professional with over 25 years experience across public, private, Government, GBE and not for profit organisations. His main purpose is to improve businesses through Organisational Effectiveness – encompassing organisation, team and individual effectiveness. He has an easy going, down to earth nature that is able to connect people quickly and effectively.

Nick Hedges

HR Specialist

With over 20 years’ extensive experience in the HR field, Nick is a specialist in HR consulting and advisory. He brings valuable, practical and commercial insights into HR + Employee & Workplace Relations arenas and specialises in the SME space.

Kathryn Palmer

HR Specialist

Kathryn is an innovative, creative and commercially focused HR professional. She utilises her Psychology + Coaching qualifications alongside her extensive HR experience to coach key stakeholders, especially around complex HR/ER matters and when dealing with and/or managing change.

Kyle Jenkins


Kyle is our highly experienced and diligent CFO. With a strong background in assisting small to medium businesses with growth, Kyle makes sure we always put our best foot forward financially to ensure we are around to service our clients for a long time to come.

Board of Advisors

Katriina Tahka


Kate Donnelly

HR Executive

Kip Frame

Business Builder / Leader / Facilitator

George Paramananthan

Investigations Lead

Roy Ah-See

Indigenous Advisor

Confidential consultation

We offer an initial, confidential appointment tailored to address your questions and guide you in the right direction, whether you're embarking on a new HR journey or seeking expert advice and guidance on complex workplace issues.

This allows us to learn about your business goals and objectives; and for you to get to know our team and how we can support you to achieve those goals.

Our sessions are designed to:

  • understand your specific questions, covering your current situation, potential challenges in culture, behaviour, performance, diversity or inclusion, and any other concerns you may have.
  • Collaboratively assess your current landscape and outline actionable steps towards meaningful change, providing assurance and support along the way.
  • Most importantly establish a foundation for working together. We want you to feel confident that we are the right HR partner for you, because this is your business’ future you are about to invest in, so we need to get it right. 

We look forward to meeting you.


A-HA connects business and people in order to realise genuine value and worth. We have pioneered a new type of agency which revolutionises the human resource industry through our people, products and insight.


Sydney Office Suite 1, 281 Pacific Hwy North Sydney, 20600491 235 263Email Us

ABN: 21 600 655 365

© A Human Agency | A-HA! and, Copyright 2015-2024

Unauthorized use and/or duplication of this material without express and written permission from this site’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to A Human Agency and with appropriate and specific direction to the original content.

The team at A Human Agency would like to acknowledge and pay respects to the traditional custodians of the land where our office is based, the Cammeraygal and Wallumedegal peoples of the Eora nation. We pay our respects to Elders past, present and emerging and celebrate the diversity of Aboriginal people and their ongoing cultures and connections to the lands and waters of NSW.