Executive Team

  • Hamish Christie-Johnston
    Hamish Christie-Johnston Managing Director
  • Jim Livermore Director - Penske New Zealand
    Jim Livermore
  • Sean McLean
    Sean McLean General Manager, On-Highway
  • Matthew Smith General Manager, Off-Highway
    Matthew Smith
Hamish Christie-Johnston

Hamish Christie-Johnston

Hamish Christie-Johnston was appointed as Managing Director of Penske Power Systems on 1st January 2017.  Hamish joined the company in August 2014 as Chief Sales Officer and Executive Team member responsible for leading our off-highway segments, including the engineering and marketing functions.

With broad experience working with global OEMs for most of his career – across the fields of industrial sales and marketing, as well as equipment and asset management within the mining, construction and power systems industries – Hamish has a strong understanding of the markets that we operate in.

Hamish maintains a far reaching and customer-focused vision for the business and believes that successful outcomes result when we understand and respond quickly to the needs of our customers. He has a successful track record developing teams and implementing improved processes based on this philosophy.

Likening his role to that of a coach – ensuring that his team has the understanding, skills, and execution required to drive successful outcomes – Hamish has deep business planning experience within our markets, as well as strong leadership, communication and relationship-building skills.

Hamish holds a degree in Mechanical Engineering from Melbourne University, an MBA from the University of Canterbury (Christchurch) and is a graduate of the Australian Institute of Company Directors.

Jim Livermore

Jim Livermore

Jim Livermore was appointed as Director of Penske’s New Zealand operations in 2017, having previously held roles including Chief Operating Officer of Penske Power Systems and Branch Manager of the Hunter Valley location, since joining the organisation in Oct 2001.


As Director of Penske New Zealand, Jim is responsible for both the Penske Power Systems and Penske Commercial Vehicles businesses ensuring efficient operations as well as integration of services across both businesses where possible. 

A seasoned leader, he is active in developing new business opportunities that build on customer relationships, driving efficiency and profitability for the business by setting challenging targets.


Together with his team, Jim frames strategies to achieve goals based upon the sharing of best practice across Penske New Zealand’s operations.


As an active member of the Executive team, Jim provides guidance and direction in line with the organisation’s vision and guiding values.


Jim holds an Associate Diploma in Electrical Engineering and a Post Graduate Diploma in Business Management.


Prior to joining Penske, Jim worked for Komatsu Australia Pty Ltd, General Electric Industrial Systems, Hamersley Iron Pty Ltd.

Sean McLean

Sean McLean

Sean McLean has more than 20 years of management experience, working with global OEMs and customers, dedicated to the development and application of diesel engines. A qualified mechanical engineer, Sean has enjoyed career success across various technical and managerial roles.

He joined Penske Power Systems in September 2016 as General Manager, On-Highway with a brief to grow our Detroit and Allison Transmission brand portfolios and market share.

Directing the on-highway team, Sean oversees some 22 technical and sales experts dedicated to deliver genuine results to the customer through a renewed focus on product development and tailored solutions unique to local market.

He employs a collaborative management style, working with his team to deliver engineering innovation that’s driven by a passion for customer service.

Sean holds a Bachelor of Engineering and a Master of Business Administration, and is a member of the Truck Industry Council.

Immediately prior to joining Penske Power Systems, he was General Manager, Marketing and On-Highway Products for Cummins South Pacific, with responsibility for on-highway business operations and promotion.

Matthew Smith

Matthew Smith

Matthew Smith joined Penske Power Systems in March 2017 as General Manager, Off-Highway responsible for overseeing sales, aftersales and engineering services.

Matthew has an extensive background in senior commercial and leadership roles in mining and related fields. With law and commerce qualifications, his career has spanned various legal and managerial positions.

Overseeing more than 60 staff, he is passionate about developing high performing teams which provide innovative, profitable solutions. He also has a proven track record in executing strategies and building mutually beneficial relationships with customers.

Matthew has an honest and inclusive leadership style. He displays strong personal leadership to ensure that customers’ business drivers are understood and that we deliver on our promises.  He is also passionate about helping our people develop and grow for the future.

Matthew holds a Bachelor of Laws and a Bachelor of Commerce from Bond University in Queensland.

Matthew comes to Penske Power Systems having most recently worked in senior management roles at Orica and Westrac.