Executive Team

WBHO’s national Executive Leadership Team provides oversight, governance and strategic direction across the company’s projects and operations throughout Australia.

Executive Team
  • Peter Ryan
    Peter Ryan Managing Director
  • Will Grobler
    Will Grobler Executive General Manager Western Region
  • David McPadden
    David McPadden Executive General Manager Eastern Region
  • Tracey McMullan
    Tracey McMullan Executive General Manager Commercial
  • Jim Bolkas
    Jim Bolkas Executive General Manager Procurement
  • Rob Forsyth
    Rob Forsyth Executive General Manager Strategy and Submissions

Peter Ryan

Managing Director

Peter Ryan holds a Bachelor of Engineering, Bachelor of Business, Master of Project Management and a PhD. He is a graduate of the Harvard Business School, a Fellow and Engineering Executive of Engineers Australia, a Fellow of the Australian Institute of Company Directors and an Honorary Fellow of Melbourne University.

Peter is the Managing Director of WBHO in Australia. He was formerly General Manager of Leighton Contractors, where he led a successful program of strategic transformation and represented the company on numerous Boards.

Peter’s executive career has been focused on leading high-growth businesses across Australia, South East Asia and the South Pacific.

Will Grobler

Executive General Manager Western Region

Will Grobler has a Bachelor of Civil Engineering degree and is a Member of Engineers Australia. He is a talented construction industry executive who has held a number of senior positions across the WBHO group over the past 20 years.

As Executive General Manager of WBHO’s Western Region, Will has been responsible for the merger of three WBHO-owned businesses and driving growth across the merged company.

Will’s extensive operational experience has contributed to the successful completion of many complex and challenging projects throughout Australia and internationally.

David McPadden

Executive General Manager Eastern Region

David McPadden has a Bachelor of Engineering degree and is the Executive General Manager of WBHO’s Eastern Region. He has worked on an exceptionally diverse portfolio of major projects throughout Australia, ranging from airports and roads to mining infrastructure and renewable energy developments.

Before joining WBHO, David led the delivery of $2bn worth of work over five years for Leighton Contractors, with projects spread across four States and several industry sectors.

David is passionate about people, team building and performance. He provides inspirational leadership to his project teams while supporting them with the discipline and resources needed to achieve client satisfaction.

Tracey McMullan

Executive General Manager Commercial

Tracey McMullan is a qualified barrister and solicitor who has worked widely across the construction industry. She is EGM Commercial for WBHO’s Australian operations and projects.

Tracey has experience at executive and board level in commercial and financial management. Before joining WBHO, she was Leighton Contractors’ Commercial Manager and a member of its Executive Leadership Team. Previously, Tracey was a professional lawyer specialising in large construction work, including major litigation, commercial arbitration and expert determination, both in Australia and internationally.

Tracey is a strong advocate for women in the construction industry and is committed to raising the profile and participation of women at WBHO.

Jim Bolkas

Executive General Manager Procurement

Jim Bolkas holds a Diploma in Management and is an Associate Member of the Chartered Institute of Procurement and Supply. As EGM Procurement, he leads WBHO’s procurement and supply chain contracting activities throughout Australia.

Jim was formerly Procurement Manager at Leighton Contractors, where he managed $3bn worth of procurement and established a network of national and State agreements with key suppliers. His ability to create a culture of reciprocal loyalty with suppliers contributed significantly to achieving competitive, low-cost operations.

Jim’s blend of commercial knowledge and industry experience enables him to develop integrated supply chains and add value through all stages of project delivery.

Rob Forsyth

Executive General Manager Strategy and Submissions

Rob Forsyth has a Master of Arts and a Diploma in Journalism. As EGM Strategy & Submissions, he leads WBHO’s communications, work winning and business development activities.

Prior to joining WBHO, Rob managed submissions and strategy for Leighton Contractors and operated his own communications business. His international experience includes leading strategic communications for British government agencies, ministers and parliamentarians.

Rob’s strong relationships with clients, stakeholders and industry groups provide the cornerstone for WBHO’s business planning, market positioning and diversification.

WBHO works with clients and stakeholders across numerous markets throughout Australia. Find out about our current and previous projects.


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