Global Leadership Team

Chairman of the Board

Richard Pearce

Richard has spent his career in executive and Board roles from Europe, North America, China and Australia, with a focus on the role of technology in the minerals and agri sectors.

Managing Director

Roy Mellon

Roy is a seasoned entrepreneur and innovator in the HR, Payroll and Workforce Management sectors. His expertise and passion for advancing people management practices contribute to improved outcomes and efficiencies across diverse organisational functions.

Founder, Executive Director Mergers & Acquisitions

Peter Rullo

Peter is an experienced founder, director, entrepreneur, and geospatial professional focused on developing new opportunities and strategic partnerships that build long term relationships.

Non-Executive Director

Brett Coleman

Brett is an experienced leader with a strong commercial and technical background, focused on strategy, operations, and building trusted relationships across the resources sector and multiple industries.

Non-Executive Director

Ketha Mahesan

Ketha is a high-energy, results-oriented CFO with over 30 years of finance leadership experience, focusing on driving financial strategy and transformation across Europe and the Asia Pacific.

Chief Operating Officer

Ben Westaway

Ben is an experienced business and qualified surveying professional. His exceptional leadership and industry expertise drives the operational excellence.

Chief Revenue Officer

Jo Day

Jo is an experienced go-to-market leader within financial services and management consulting industries. Passionate about sales, leadership and championing change, she constantly delivers above target revenue and commercial value.

Chief Financial Officer

John Zablocki

John, a Chartered Accountant from the 'Big 4' with international experience, has led ISGroup's finance function since December 2020. Renowned for optimising financial systems and fostering effective teams, his strong leadership enhances operational decision making for positive financial outcomes.

Chief Information Officer

Bobby Mansoor

With a strong background in technology leadership and digital transformation, Bobby has successfully guided businesses through complex IT landscapes. His expertise spans IT strategy, corporate development, M&A structuring, and scaling technology operations.

General Counsel

Sal Weyers

With a background in both private legal practice and in-house general counsel roles for large international and Australian corporates, Sal is eager to contribute his expertise to partner with the business and support ISGroup’s continued expansion and success.

Chief People Officer

Lisa Taylor-Mesiti

Lisa is a pragmatic HR leader with 20 years experience across different sectors, having led HR teams, run her own consultancy and delivered complex transformation projects. Lisa prioritises employee development and supports leaders through change, creating simple, efficient people practices that help organisations grow through acquisition and scale while maintaining employee belonging and engagement.

Executive General Manager

Paul Linton

Paul combines his solid experience in a supervisory capacity with strong project management and leadership skills. Having completed his Bachelor of Engineering in Surveying and Spatial Information Systems with Honours, Paul is also a Registered Surveyor in New South Wales, Queensland, and the Northern Territory, and is a member of the Institution of Surveyors in New South Wales.

General Manager Queensland, New South Wales and Victoria

Matt Keppich

Matt is renowned for his experience and knowledge in the geospatial industry specialising in subsurface infrastructure. Matt’s leadership expertise drives operational outcomes of Utility Mapping.

General Manager Western Australia, South Australia and Northern Territories

Alan Macpherson

Alan brings 15 years of surveying experience over a diverse range of survey projects, expanding across structural, mechanical, piping, earthworks, civil and land surveying throughout Western Australia.

General Manager United Kingdom

Damian Taylor

Having served over 20 years within the survey industry conducting, consulting and managing surveys my role as the Managing Director of Utility Mapping Group UK ltd is to help your organisation avoid costly mistakes within your projects through providing underground utility location and mapping solutions that achieve zero harm to utilities, people and the environment. I am passionate about empowering organisations within the construction, engineering and consultancy industries to make better decisions, save costs and improve their safety through embracing technology and innovation.

General Manager Papua New Guinea

Jason Armitage

Jason Armitage joined Land Surveys in 2010, initially in the role of Operations Manager for regional projects, before evolving into our Business Development Manager. His primary focus was on strengthening the company’s client base to allow for national and international growth. Jason brings more than 25 years of experience in the surveying and spatial industry, providing expertise in major infrastructure projects, with a particular emphasis on the resources sectors throughout WA, QLD and NT.