Improving the Human Experience in Evolving Organisations
At A-HA, we’ve got the basics covered
Compliance, contracts, policies, investigations, performance conversations, grievances.
You name it, we’ve handled it. That’s what you expect from an HR agency. And rightly so.
But where we really shine is helping you deal with the human side of work—especially when things feel stretched, messy, or on the move.
We step in when the pressure’s on
And stay when it’s time to grow.
Businesses don’t evolve in straight lines. Teams shift. Leaders change. Culture cracks. That’s where we come in.
We partner with growing, changing, and challenged businesses to create clarity, restore trust, and build confidence—starting with the conversations that matter most. We don’t just “do HR.” We help you turn people pressures into leadership power.
We know your world—and how to work inside it.
From our base in Sydney, we support clients right across Australia. We’ve spent over a decade on job sites, in boardrooms, and across industries—supporting startups, mid-tier teams, enterprise-level organisations, utilities, and public service groups. Whether it’s a founder, a site supervisor, or a senior exec, we know how to meet people where they are. And we know how to move things forward.
From strategic HR advice and leadership development to policy design, investigations, and culture resets—our support is practical, calm, and always tailored to your business.
We’re here to improve the human experience at work.
That’s not a slogan. It’s the heartbeat behind everything we do. Because when your people feel seen, supported, and safe to perform, the results speak for themselves.
A-HA isn’t just an HR service. We’re your partner in building a better way to work—across Australia.
Meet Katriina Tahka
Katriina is A-HA’s CEO and powerhouse leader.
With a legal background and over two decades of experience in HR strategy, investigations, culture change, and executive leadership, she brings a rare mix of sharp thinking and human understanding to every project.
She’s trusted by some of Australia’s most complex organisations—from government agencies to listed companies—to handle sensitive matters and lead culture transformation. Katriina’s reputation is built on discretion, clarity, and results. She doesn’t just advise—she delivers.
Our In-House 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.
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.
Frankie Toffolo
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.
Jaimi McManis
Jaimi is our very talented Operational Excellence Manager. She has years of experience managing small businesses, coordinating events and making sure things get done. Not only does Jaimi keep the team moving, she supports the team and our clients in delivering tasks on time and organising all of our work.
Grace Germanos
Grace is our inhouse HR Paralegal, combining her legal acumen with a passion for fostering inclusive and supportive workplace environments. Currently pursuing a double degree in Law and Commerce at Macquarie University, Grace brings a fresh and analytical perspective to her role, contributing to our mission of designing human-friendly workplaces. Her natural ability to understand each client’s unique needs and adapt her knowledge to different situations and cultures ensures tailored and effective support across diverse contexts. Grace’s commitment to excellence and continuous learning makes her an integral part of the A-HA! team.
Our Consultants & Partners
Michelle Duby
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
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.
Mark Wilde
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
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.
Jason Eagleton
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.
Kathryn Palmer
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.
Our Advisory Board
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
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).
George Paramananthan
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.
Kate Donnelly
Kip Frame
Our Industries
We work across six key industries:
SMBs & Startups
View SolutionFounders and growing teams are often juggling compliance, culture, and hiring—all without internal HR. A-HA plugs in fast, offering Virtual HR support, issue resolution, and simple systems that grow with your business. We help you scale with clarity, reduce risk, and get HR off your plate—without slowing momentum.
Mid-Tier Businesses
View SolutionMid-sized businesses are often big enough to face complex people issues—but small enough to feel every impact. A-HA brings structure, clarity, and leadership support to businesses navigating change, growth, or performance pressure. We strengthen your policies, people, and processes so you can lead with confidence.
Enterprise Level Businesses
View SolutionLarger teams bring bigger dynamics—multi-site operations, senior leadership layers, and more risk exposure. A-HA supports enterprise organisations with strategic HR delivery, capability development, and sensitive investigations. We partner seamlessly with in-house HR, Legal, and Ops to manage complexity and protect your people.
Utility Companies
View SolutionIn high-risk, highly regulated environments, people systems must be tight, clear, and operationally aligned. A-HA supports utilities and infrastructure providers with HR projects, leadership programs, and investigations that meet legal, cultural, and safety standards—while staying human at every level.
APS: Australian Public Services
View SolutionWe understand the pace, protocols, and people challenges within the APS. A-HA supports public service leaders with independent investigations, cultural diagnostics, and tailored leadership development—always delivered with discretion, clarity, and compliance. We know how to navigate systems and deliver outcomes that stick.
Corporate RFPs
View SolutionWhen high-stakes delivery and formal procurement processes matter, A-HA delivers. We respond to RFPs from corporates, universities, and national organisations with tailored proposals across investigations, culture reviews, capability building, and compliance. We bring enterprise experience, specialist teams, and trusted outcomes.
Across every industry, we know how to listen, tailor, and deliver with professionalism and care.
Our Solutions Are Different for a Reason
We’re not your typical HR firm. Our solutions are built to support humans, not just HR compliance. We work with:
HR Projects
View SolutionFrom policy overhauls to restructures and manager toolkits, A-HA leads strategic HR projects with delivery precision. We build systems that work—not just sit on a shelf. We work with your people, leaders, and operational context to ensure the work sticks and strengthens your culture.
Investigations
View SolutionWhen something serious happens, A-HA delivers independent, respectful, and compliant investigations. We support businesses with misconduct, grievances, discrimination, and culture concerns—managing every step with fairness and professionalism. We help you find the truth, stay protected, and respond with integrity.
Virtual HR
View SolutionWe provide on-demand, flexible HR leadership for businesses who need expert advice without the full-time cost. From policy design to real-time people support, we embed with your team and help you make decisions with confidence. Our VHR service grows with you and gives you the backup you didn’t know you needed.
Development Programs
View SolutionA-HA creates leadership and team and individual development experiences that lead to real change. We design and deliver coaching, training, and growth programs that align with your business and lift your leaders. Whether it’s site-based sessions or leadership labs, we help your people show up better.
All grounded in our 5D Framework: Discover – Tune In, Diagnose – Make Sense, Design – Shape the Way, Deliver – Shift What Matters, Dedicated – Stay Close
We go beyond deliverables—we build trust, lift capability, and help your organisation grow with intention.
Explore More
Real stories of change across industries
Clear answers to common questions
Visit our articles & media
What Happens When You Book a Confidential HR Conversation?
The first step toward clarity, structure, and confidence.
In a 30-minute conversation with A-HA, you’ll get expert insight into your people challenge or opportunity—and walk away with practical next steps. No jargon. No overwhelm. Just a real conversation with someone who gets it.
You’ll also receive a complimentary Culture Scan to help you spot what’s working and what needs support.
Here’s what you’ll gain:
- Clarity on what’s happening in your team
- Professional insight into legal and performance risks
- A sounding board to test ideas or decisions
- A clear set of recommendations or service options
- Confidence you’ve got the right support ready to step in
Ready to Get HR Off Your Plate and Done Right?
Let’s have a quick, no-pressure chat about where you’re at and where you’re going.