CMA Contracting > Services > Board & Management

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Karl Virkus
General Manager

Karl first joined CMA in 2003 as Business Development Manager Europe, based in Germany. In 2005 he assumed the role of Strategic Marketing Manager in Sydney and was appointed General Manager in August, 2010. Since then Karl has been responsible for the successful management and delivery of an array of major projects for some of the most recognised mining and industrial companies in the world. Karl’s unrelenting focus on safety and quality performance has underpinned the growth and reputation of CMA as a highly sought after and trusted contractor.

Michael Lawrence
Project Manager

Michael joined CMA Contracting in 2015 with an extensive range of civil, infrastructure and industrial project management experience. His exposure to multiple (and integrated) disciplines across an array of projects has developed invaluable skills to work from both a client and contractor perspective. He is currently Project Manager of Hydro Kurri Kurri Stages 1 & 2 – the deconstruction and demolition of a redundant 22 hectare Aluminium Smelter in regional NSW where he has achieved unprecedented quality, safety and environmental outcomes.

Shane Botha
Project Manager

With more than 20 years of experience in civil construction and industrial demolition and decommissioning in South Africa and Australia, Shane is a highly respected project manager with an impressive portfolio of industrial sector experience and achievements. Based in Western Australia, he has been responsible for some of our highest profile projects and Tier One multinational mining and resources clientele. Shane’s work in remote or regional areas of WA and the NT has also developed a strong understanding of Indigenous Australian culture and helped him establish excellent working relationships with Traditional Owners, community leaders and clients alike.


Jason Simcocks 
Delta Group

Since joining Delta Group in 2001 Jason has been a driving force in our growth and expansion across Australia. His strong leadership, structural engineering background and extensive experience in demolition and civil works have been invaluable as we diversified our services to meet the needs of some of the largest construction, industrial and mining businesses in the country. As Director of Operations across the group, Jason works closely with Con and the senior management team to maintain the culture and values that have made Delta what it is today and which will continue to shape the Delta of tomorrow.

Mark Welsh
Delta Group

Mark arrived as a Project Engineer in 2004 and within 3 years had worked on a range of major projects to establish himself as a highly valued member of the team. As Project Manager from 2007 he assumed leadership of some of our largest and most demanding civil and demolition works, while developing exceptional relationships with our clients that saw him appointed to the role of Bid Manager in 2011. Mark’s ability to identify safe, innovative and high quality solutions to complex engineering challenges led to his promotion as GM of our Civil division in 2013.

Danny Busatta
GM Pre Construction
Delta Group

Danny started as a Project Manager with Delta Group in 1992 and is our longest serving executive team member with 24 years of experience. As our State Manager Demolition in Victoria from 2000 he has directed some of our most recognised projects, including the Gas & Fuel Towers, Royal Children’s Hospital, Melbourne Convention Centre and South Wharf Development, Olympic Park Redevelopment, QV Melbourne and the MCG Northern Stand. Today, Danny applies his immeasurable expertise across all demolition projects in Australia.

Dominic Santullo
GM Recycling
Delta Group

Having begun work at Delta Group in 1996 Dominic is also one of our longest serving team members. His knowledge of transport, procurement, logistics and recycling is second to none and he is a highly respected leader with responsibility for more than 100 staff and an extensive fleet of plant and equipment. Dominic is responsible for the successful joint venture concrete recycling partnership with Boral, as well as our rapidly expanding recycling operations across Australia and for driving growth in our contract crushing and quarry services.

Robby Mallard
Delta Mallard

Wajarra-Nanada man Robby Mallard has worked across Australia in various capacities since participating in the inaugural Aboriginal apprenticeship scheme in Carnarvon 30 years ago. From his original plumbing apprenticeship to forming Mallard Plumbing & Gas and 14 years of servicing Aboriginal communities across WA for the State Housing Department – Robby is a highly respected Indigenous leader with extensive community networks, including Kalgoorlie, Wheatbelt, Gascoyne, Pilbara and the Kimberley Region. In 2011, Robby formed Mallard Contracting in 2011 to provide construction services to government and major mining, oil and gas companies in WA. In 2015, Robby led negotiations to create Delta Mallard and to contribute to the development of practical Indigenous Engagement Strategies as part of his vision of becoming the largest employer of Aboriginal apprentices in the country.

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