Joel Trethowan

Managing Director

Alchemy One

Joel Trethowan, co-founder, and Managing Director of independent media agency Alchemy One, is a transformative figure in the media industry with over 15 years of experience. Joel co-founded Alchemy One in 2014, delivering media solutions that have monumental impact, partnering with clients, including Bank Australia, Lyca mobile and Square. Joel’s leadership led Alchemy One to achieve B Corp certification, a rare achievement in the media industry. He’s also a pivotal figure in progressing our industry forward on social issues, including climate action and gambling. Joel serves on the board of Comms Declare 4 Climate and has achieved 8 electates in Australia to ban the advertising of fossil fuels.


Connect with Joel Trethowan