What we do

The Aha! Advantage (previously known as the Mills Group) specialises in: 

  • Revitalising underperforming salesforces
  • Helping clients negotiate, influence and change minds


Harry Mills, CEO of The Aha Advantage

Harry Mills, CEO of The Aha Advantage

Harry Mills is CEO of the Aha! Advantage, Harry is internationally recognized as an expert on sales, negotiation, presentation and the marketing of professional services.

An accomplished consultant and trainer with over 20 years experience, Harry Mills addresses over 100 seminars and conferences annually.

Harry Mills advises a number of the worlds blue-chip companies and public sector organizations. The Aha! Advantage client list is a who's who of international business and includes Unilever, IBM, Toyota, Oracle, AMP, Astra Zeneca, and Ericsson.

In the last 25 years Harry has worked with over 3,000 partners and managers in Australasia, SE Asia, and North America including  PricewaterhouseCoopers, Ernst & Young, KPMG and Deloitte.

A popular keynote speaker, Harry is regularly invited to speak at international conferences held by groups such as the International Association of Business Communications (IABC) and Sales and Marketing Executive Institute (SMEI).

Harry Mills is the author of 11 internationally acclaimed books on business development, sales, negotiation and persuasion.

Negotiate: The Seven Step Master Plan is published in 23 countries, was selected by Britain's largest business book club, Executive World, as a main selection. 

Artful Persuasion: How to command attention, change minds and influence people is a business best seller in the USA.

The success of Artful Persuasion led to Harry Mills being appointed as the Harvard ManageMentor in persuasion. The Harvard ManageMentor program delivers management advice and tools to 6.5 million managers across the globe.

Harry's book The Rainmaker's Toolkit: Power Strategies for Finding, Keeping and Growing Profitable Clients was picked by CEO Refresher as one of its top ten US business books in 2004.

His other business titles include The Mental Edge: Unlocking the secrets of inner sellingJust Do ItBe PositiveSales SecretsLeadership and PowerPoints.

In 2013 Harry reinvented selling by showing how to use Aha! insights and the proven power of self-persuasion to boost revenues, shorten sales cycles and increase closure rates.

Our History
The Road to Aha 2

The Road to Aha 1