Senior Executive Team

Rob Sisk

President & CEO

Rob Sisk was appointed President and CEO of Penske Power Systems on 14 February, 2011 and subsequently was appointed member and Chairman of the Penske Power System Board of Directors.

Rob relocated to Australia from the United States, where he held leadership roles of steadily increasing responsibility at Detroit Diesel Corporation and United Technologies Corporation.

Immediately prior to joining Penske Power Systems, Rob was Senior Vice President at Atlantic Detroit Diesel Allison and had profit and loss responsibility for the off-highway business and operational responsibility for half of the company’s on- and off-highway branch locations.

He restructured ADDA’s off-highway operations with a focus on teamwork, added sales and project management staff, mapped processes and established performance metrics – resulting in significant revenue growth and operational improvements. Under his leadership, ADDA established new all-time product sales records in 2007, 2008 and 2009 and received MTU’s overall “Distributor of the Year” award in 2009.

Rob holds a Bachelor of Science in Mechanical Engineering from Rice University and completed requirements for a Bachelor of Arts in French, having studied at the Sorbonne in Paris, France. During his 37-year professional career, he has lived and worked in Indonesia, India, Saudi Arabia, France, the United States and Australia.

Rob is active in volunteer work both in Australia and the United States and regularly participates in charity events including the St Vincent de Paul Society’s CEO Sleepout and the Boston and Melbourne Marathons.

Hamish Christie-Johnston

Director Off-Highway

Hamish Christie-Johnston joined Penske Power Systems 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, as well as MBA qualifications.

Jim Livermore

Chief Operations Officer

As Chief Operations Officer, Jim Livermore is responsible for Penske Power Systems’ comprehensive branch network operations, incorporating off-highway product and technical support, as well as all operations business improvement functions.

Jim 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 Power Systems’ operations network.

Continuously working to expand the technical capabilities of his team to mirror advancements in Penske Power Systems’ world-class product portfolio, Jim is focused on delivering customer service excellence that’s both sustainable and profitable.

As an active member of the Executive team, Jim has provided guidance and direction for Penske Power Systems’ viability, in line with its vision and guiding values, for several years now.

Jim holds an Associate Diploma in Electrical Engineering and a Post Graduate Diploma in Business Management, and is currently an active member of MTU’s International Mining Council. He has previously served as the President of the NSW Superyacht Industry association (2009/10) and a committee member of the Australian Superyacht association (2011/13).

He joined Penske Power Systems in October 2001 as Branch Manager, Hunter Valley and has previously worked for: Komatsu Australia Pty Ltd, General Electric Industrial Systems, Hamersley Iron Pty Ltd.

Patricia Paquette

Chief Financial Officer

With more than a decade’s experience as a senior finance executive in the Penske group in the United States, and more recently in Australia, Patricia (Patti) Paquette is a Certified Public Accountant who also holds qualifications as a Chartered Global Management Accountant, Certified Internal Auditor, and Certified Fraud Examiner.

Patti joined Penske Power Systems in February 2015 as Financial Operations and Planning Manager, providing critical financial analysis and support to the executive team as well as the business, state and branch managers. Key to this role was enhancing communications between the finance and operational business sectors.

In January 2016, Patti was appointed Chief Financial Officer and is responsible for governance, including risk management and internal controls to support the organisation in achieving its objectives.In her role, Patti facilitates organisational accountability and transparency, providing insight and analysis that supports the executive and senior management teams; she also serves as the company’s public officer. Developing effective partnerships with members of the leadership team, Patti works to create a common vision and view of organisational performance and opportunities.

In the US, Patti joined Penske Automotive Group in 2004 as Financial Controller, overseeing four automotive franchises and an accounting team of 13-plus staff, providing forecasting analysis and cash flow management, as well as individual and consolidated financial statement reporting.

In 2006, Patti took on the role of Internal Audit Manager for the group, planning and performing internal, compliance and SOX audits for 170 retail franchises. In this role Patti prepared and performed due diligence procedures and reports, and supported management with accounting and auditing procedures.

Patti is based in Penske Power Systems’ finance office at Chipping Norton.