We Change Minds

We Change Behaviour. Great communication cuts through, creates engagement and delivers results. And that demands that you start with a great idea. Born out of an insightful human truth and based on strong strategic thinking that leads to behavioural change. A great idea, not an 'oh dear', capable of expression across multiple channels and delivered in a compelling way. We have a history of creating world class ideas, for clients big and small. From Audi cars to Perth Zoo and everything in between. Across all channels, around the globe.

How we work

How we work graphic

We consider the entire business and all touch points when creating the right idea. Then we build a bespoke team of specialists to help execute. Why pay for what you don't use? As guardians of the idea, we create value by bringing the best skills to the table only when you need them and by leading collaboration, we manage costs and deliver as a single brand team for our clients.


What we do

The Spectator Magazine

Advil Virtual World


Wedding Night.....


Alcatel. Go Play Campaign.


Red Door Challenge - QuickSelect

Hotel Quickly. Airport Digi Posters
Hydralyte. 'Hangover Cure'

World's first VR experience for Advil Liquid Capsules from Matterhorn


Bell Direct Online #2


Hamlet photobooth

Who we are

Matt Kemsley

Matt Kemsley, Founder/Partner

Matt started his career at one of the true global creative powerhouses Bartle Bogle Hegarty. He won numerous creative awards over his 15 happy years there. He later joined Whybin TBWA. Firstly as the creative founder of the Auckland office, before teaming up with Garry Horner to run the Sydney office. Throughout this journey he’s worked on some of the worlds most high profile brands and helped create many globally renowned creative success stories.

matt@matterhornrocks.com    0448 150 767

Garry Horner

Garry Horner, Founder/Partner

Over the last 30 odd years Garry has worked in some of the worlds’ top agencies, including CDP and WCRS in London, Ogilvy’s in NYC as well as DDB, and Whybin TBWA here in Australia. As a creative and ECD, he's worked on some amazing brands and has seen his work recognised at award shows around the world, including ‘Ad of the century’ at Cannes. He has an unquenchable curiosity and passion for the ever evolving industry and has always believed that to succeed you have to embrace change, because these days, you’re only as good as your next idea.

garry@matterhornrocks.com    0419 693 130


Jhonnie Blampied, Strategic Planning Director

Jhonnie started his advertising career as a Strategic Planner at O&M in London. In 1989 he joined DDB as a Strategic Planner. Six years later he had been promoted to become Executive Chairman and CEO of DDB’s Australian Group of companies. In 2003 he chose to get a bit more balance in his life and quit the top end of town to become a consultant. He saw that Matterhorn was an agency obsessed with changing things for the better for their clients and their brands. He joined the team because he shares this obsession and can see his passion for applied ‘Behavioural Economics’ playing a part in delivering it.

jhonnie@matterhornrocks.com    0433 114 933 



Garth Agius, Client Services Director

Beginning his career in the cherished times of creative and media working side by side, Garth has experienced the changing faces of marketing and advertising. Years at DDB forged his belief in the full-service agency model and that creating messages in harmony with the communication moments delivers the best outcomes for clients. Working in sales and marketing roles with Seven West Media and News Corporation, Garth has a unique blend of creative, communication and commercial experience. He feels very at home addressing challenging marketing problems to deliver business results.

garth@matterhornrocks.com    0419 449 778

Who we work with

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