Management team

Emma Muller Retouch

Emma Muller

Managing Director

Emma is the Founder and Managing Director of HUG, bringing over 30 years of experience in civil maintenance and construction across the mining, energy and infrastructure sectors.

She has led major civil projects including haul road construction, tailings dam development and large-scale land disturbance works, with a strong reputation for delivering complex programs safely and efficiently.

Recognised for her leadership and commitment to industry excellence, Emma is an active member of the National Association of Women in Construction and a multiple award-winning business leader.

Dayne Stoneman Retouch

Dayne Stoneman

General Manager

Dayne has over 15 years’ experience across construction, resources, oil and gas, water infrastructure, renewables and main roads. Prior to his current role, he held senior construction leadership positions delivering complex infrastructure projects across multiple sectors.

With extensive experience managing scope, programme and budget performance. He works closely with his teams to maintain strong planning frameworks and drive productivity, while fostering a culture built on safety, accountability and clear communication.

At Horizon United Group, Dayne oversees operations with a focus on compliant, efficient and high-quality project outcomes, supporting the company’s continued growth across infrastructure and renewable energy markets.

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