Meet The Team.

The human in A Human Agency.​

Meet the AHA Team

Core team.

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.

Katriina Tahka


Simone is passionate about finding people solutions for clients! She is a consultative leader, people strategist and business manager who is deeply commercial, and thrives on developing high performing businesses and teams. Simone is a globally experienced HR professional and coach who enjoys using analytics as part of the solution to create more positive workplaces.

Simone Gigg

Head of People Solutions

Katie understands that a thriving workforce drives optimal outcomes for individuals and their organisations. She combines her experience in HR, qualifications in Psychological Science, and passion for wellbeing, to drive an enhanced experience of work across a broad range of industries, with businesses large and small!

Katie Adams

People + Wellbeing Lead

Roger is an expert in designing, developing and delivering leadership and other impactful capability programs. An experienced executive coach, Roger partners with organisations to align strategy to outcomes, build employee engagement, lead change projects and generally sort out any HR issues with a smile!

Roger Barker

People + Development Lead

Melanie is our highly experienced and diligent CFO. With a strong background in assisting small to medium businesses with growth, Melanie 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.

Melanie Newman


With a background in creative industries, Liz thrives on finding innovative ways to connect with our clients and readership. She loves to be challenged with the ever-changing digital marketing space, and can often be found buried in data and metrics analysis. Through strategic communications, Liz ensures that we are always creating an ‘aha moment’.

Liz Darlington-Brown

Marketing + Communications Lead

With a passion for design, Madison thrives on anything creatively linked. She loves turning a concept into something that can be visualised and can often be found helping out with our social media. By utilising her skills in digital marketing, she helps bring value to A-HA and our clients.

Madison Tong

Design + Marketing Coordinator


Chief Happiness Officer

Your HR business partner.

Jo is a global thinker operating at MD level with a commercial mindset + a savvy approach to problem solving. She is strategic, insightful and outcome-focused. Jo enjoys working with clients to bring out the best in teams with sustainable results.

Jo Allen

Agile / Generalist

Clare is a behaviour change specialist. With 20 years’ experience coaching individuals and groups, she creates improved outcomes in Justice, Health, Youth, Mental Health and Management. Clare has a BSc Applied Psychology and is PROSCI accredited.

Clare Babbage


Natalie is a globally recognised diversity + inclusion thought leader, with a focus on gender in construction + sport. With an extensive career in construction as an international project manager, she brings unique insights to her research, driving industry change.

Dr Natalie Galea

Agile / Specialist / Diversity and inclusion

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.

Jason Eagleton

Agile / Generalist / Coach

Gail is a highly qualified and experienced executive and business coach. Working collaboratively with clients for more than 20 years across a wide range of functional areas, businesses and industries; Gail has a strong corporate background and understands the drivers of individual, team and organisational high performance.

Gail Hackett


Nick has extensive experience in HR consulting, working with small and medium businesses across industries. He brings valuable and practical insights into HR + Workplace Relations arenas and specialises in the SME space.

Nick Hedges

Agile / Generalist

Dani helps start-ups and SMEs flourish. With over 15 years’ experience in HR, including world-class corporate HR and leadership training, she has spent the last 5 years applying her knowledge to fast growing businesses, ensuring they are set up for success from day one.

Dani Jenkins

Agile / Generalist

Rebecca has extensive experience building leadership capability, driving culture transformation and partnering with senior leadership teams across various industries and regions. She is accredited in LSI/GSI coaching, Situational Negotiation and Adaptive Facilitation.

Rebecca Lane

Agile / Generalist / Coach

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.

Katrina Nadschlaeger

Agile / Generalist

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.

Kathryn Palmer

Agile / Generalist

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.

George Paramananthan


Terry has more than 20 years of global experience working with Corporates, SMEs and Start Ups specialising in aligning vision and performance. He has coached Entrepreneurs, Oscar and Grammy Award Winning Artists as well as over 350 Senior Leaders and their respective teams responsible for National, Regional and International Operations.

Terry Samaras

Agile / Specialist / Leadership / Coach

Kylie is a commercially-minded HR leader with a strong track record in developing and implementing HR strategies. She is an expert in supporting company growth and people development as well as being an all-round HR generalist. Kylie has 15 years of demonstrated success in global and national organisations across the Asia Pacific region.

Kylie Thomas

Agile / Generalist

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.

Mark Wilde

Agile / Specialist / Employment Law

Donna is a super capable HR professional! With 20yrs experience in Learning, OD and Change Management, capability building is her thing. She designs + delivers learning solutions that drive higher performance.

Donna Wuttke

Agile / Specialists / OD

Board of advisors.

Kate Donnelly

HR Executive

Kip Frame

Business Builder / Leader / Facilitator

Phil Garling

Non Executive Director / Charter Hall / Downer EDI / Networks NSW

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.

George Paramananthan

Corporate Advisor | Commercial Lawyer

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