SRG Global is an engineering-led specialist construction, maintenance and mining services group built to solve the complex problems across the entire asset lifecycle
About Our Business

Leadership team

We provide bespoke engineer, construction and sustain solutions, meaning you only ever need one partner
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  • Leadership Team

    David Macgeorge
    Managing Director
    David Macgeorge
    Managing Director

    David Macgeorge was appointed Managing Director in May 2014.

    David has extensive senior executive experience in contracting, logistics, infrastructure and mining service industries and has a strong record of leading business transformations, driving value creation and growth through a unique understanding of strategy, customer focus and shareholder returns.

    Prior to joining SRG, David held senior executive roles with BIS Industries, Cleanaway and CHEP (a subsidiary of Brambles). He also provided consultancy to Leighton Contractors.

    David holds a Bachelor of Business and has completed the Senior Executive Management program at INSEAD Business School in France.

    Roger Lee
    Chief Financial Officer / Company Secretary
    Roger Lee
    Chief Financial Officer / Company Secretary

    Roger was appointed to the Executive Leadership Team in July 2014 and brings over 25 years’ experience in senior and executive management in Australia.

    Prior to joining SRG, Roger played an integral role in the establishment of Broad Group Holdings (now part of the Leighton Contractors Group), a national commercial and civil construction company which grew from inception to annual revenues of over half a billion dollars during his tenure.

    During his time at Broad, he held various executive roles including Director/CFO, and subsequently Managing Director of Broad. He has also held other Executive Finance roles at Leighton Contractors (now part of CPB), both at corporate level and within the Infrastructure Division.

    Roger is a qualified CPA and is a graduate of the University of Western Australia in Commerce, majoring in Finance and Accounting.

    David Williamson
    Chief Operating Officer, Asset Services & Mining Services, Chair of Zero Harm
    David Williamson
    Chief Operating Officer, Asset Services & Mining Services, Chair of Zero Harm

    David joined SRG Global in 2018 and was appointed to the Executive Leadership Team in 2019 as Executive General Manager of Asset Services. In January 2022 David was promoted to Chief Operating Officer of Asset Services and Mining Services and sits as Chair of Zero Harm. Additionally, David leads the SRG Global Aboriginal Reconciliation Working Group and is a Board member of Bugarrba, a joint venture company with members of the Njamal people.

    David has an extensive history in senior leadership positions across a diverse range of sectors including materials handling, equipment hire, logistics, mining and industrial services. Prior to joining SRG Global, David held senior positions with market leaders Cleanaway and Brambles. David holds a Master of Marketing from Monash University in Melbourne and expanded his leadership skills at INSEAD in Paris. David is also a passionate supporter of the Starlight Children’s Foundation.

    Nick Combe
    Executive General Manager Construction & Engineering
    Nick Combe
    Executive General Manager Construction & Engineering

    Nick was appointed to the Executive Leadership Team in July 2017.

    Nick has extensive leadership and management experience both in Australia and abroad. Before coming to Australia, Nick spent 13 years in Hong Kong working on some of the largest civil infrastructure projects being constructed in the world at that time including the Route3, Chek Lap Kok airport and Ting Kau Bridge.

    After his time in Hong Kong, Nick was the Project Director on MRWA’s largest road project in WA, the Gateway Alliance, and from 2014 to 2017 held the role of General Manager WA / NT with CPB Contractors averaging an annual turnover of circa $1 billion.

    Nick holds a National Diploma in Construction Management from Nelson Mandela Metropolitan University in South Africa.

    Paul Dawson
    Executive General Manager Building
    Paul Dawson
    Executive General Manager Building

    Paul was appointed to the Executive Leadership Team in October 2019. Paul brings over forty years' senior management experience in the building industry.

    Paul previously founded the Gallery Facades business prior to its acquisition into the SRG Global business.

    Corey Maranesi
    Executive General Manager Corporate Services
    Corey Maranesi
    Executive General Manager Corporate Services

    Corey was appointed to the Executive Leadership Team in April 2015. Corey has over 20 years senior management experience in commercial, risk and finance positions.

    Prior to joining SRG, Corey’s previous roles covered a wide range of industries including infrastructure, logistics, mining and manufacturing.

    Corey holds a Bachelor of Commerce degree, Masters in Business Administration and is also a Certified Practicing Accountant.

    Shanelle Zanazzi
    Group General Manager Human Resources
    Shanelle Zanazzi
    Group General Manager Human Resources

    Shanelle joined SRG Global in 2019 and was appointed to the Executive Leadership Team in 2022 as Group General Manager Human Resources.

    An experienced Human Resources professional, Shanelle has a proven track record of building and developing HR teams focussed on providing a high level of operational support. With an employment history spanning the Construction, Mining, Energy and Oil & Gas industries, Shanelle has developed and implemented HR programs in Employment/Industrial Relations, Performance Management, Organisational Development, Workforce & Succession Planning, Salary Review and Recognition and Reward.

    Shanelle’s strong background in Strategic HR Initiatives, Enterprise Agreements, ER/IR Management, Workforce Planning and Mobilisation of workforces across the full complement of industries that SRG Global service is a valuable inclusion in the Leadership Team. Shanelle holds a Bachelor of Arts (Psychology & Human Resource Management) and has completed Cultural Diversity training with Indigenous Services Australia.

    Jeremy Vajas
    Group General Manager Health, Safety, Environment and Training
    Jeremy Vajas
    Group General Manager Health, Safety, Environment and Training

    Jeremy joined SRG Global in 2013 and has held various leadership roles in both operational and safety functions across the organisation.

    Commencing with the business as a HSEQ Coordinator, Jeremy was appointed to the Group HSE Operations Manager position in 2015, a role which he held for five years. During his tenure in this role, he displayed a high degree of integrity, extensive capability, service excellence and transparency in his relationships with all stakeholders. This led to him being selected as Contract Manager for the FMG Shutdown Services and Maintenance Contract where he successfully oversaw the mobilisation and establishment of ongoing operations.

    Jeremy was appointed to the Executive Leadership Team in March 2022 as Group General Manager Health, Safety, Environment and Training.

    Jeremy holds tertiary qualifications in Occupational Health and Safety, Leadership and Management, Psychology and Aviation.