Senior management

James Hardie Management Team
Our management is overseen by our management team, whose members cover the key areas of fibre cement research and development, production, manufacturing, sales, human resources, investor relations, finance and legal.

Members of our management team are:

Louis Gries BSc, MBA
Chief Executive Officer
Age 64

Photo Louis Gries April 2017

Louis Gries joined James Hardie as Manager of the Fontana fiber cement plant in California in February 1991 and was appointed President of James Hardie Building Products, Inc. in December 1993. Mr Gries became Executive Vice President – Operations in January 2003, responsible for operations, sales and marketing in our businesses in the Americas, Asia Pacific and Europe.

He was appointed Interim Chief Executive Officer (“CEO”) in October 2004 and became CEO in February 2005. In addition to being the Company’s CEO, Mr Gries is responsible for managing the Company’s fiber cement operations in North America.

Before he joined James Hardie, Mr Gries worked for 13 years for USG Corp, including a variety of roles in research, plant quality and production, and product and plant management.

Mr Gries has a Bachelor of Science in Mathematics from the University of Illinois, USA and an MBA from California State University, Long Beach, USA.


Matthew Marsh BA, MBA
Chief Financial Officer and Executive Vice President, Corporate
Age 43

Photo Matthew Marsh April 2017

Matthew Marsh joined James Hardie as Chief Financial Officer (“CFO”) in June 2013. As CFO he oversees the Company’s overall financial activities, including accounting, tax, treasury, performance and competitor analysis, internal audit and financial operations.

Effective 16 October 2015, Mr Marsh’s role was expanded to include the role of Executive Vice President – Corporate. In this role, Mr Marsh continues his oversight of the Company’s overall financial management in addition to the oversight of James Hardie’s information systems, legal and compliance, and investor and media relations functions.

After a 16-year career at General Electric Company (“GE”), Mr Marsh brings a strong background in financial management. Before joining James Hardie, Mr Marsh most recently served as CFO of GE Healthcare’s IT business. Prior to being named CFO of GE Healthcare IT, Mr Marsh oversaw the finance operations for GE Healthcare’s US Healthcare Systems and US Diagnostic Imaging businesses.

Prior to those appointments, Mr Marsh travelled globally with the GE Internal Audit Staff gaining extensive experience in several industries including appliances, information services, distribution and supply, aviation, plastics, financial services, capital markets and healthcare, across more than twenty countries. Mr Marsh has graduated from GE’s Financial Management Program (FMP).

Mr Marsh has a Bachelor of Arts in Economics and Public Affairs from Syracuse University, USA and an MBA from University of Chicago’s Booth School of Business, USA.


Jack Truong BS, PhD
President and Chief Operating Officer
Age 55 

Jack Truong photo September 2018

Dr Jack G. Truong has been President of International Operations at James Hardie since April 2017. Dr Truong’s ability to anticipate global market trends and deliver profitable revenue growth is evidenced by his extensive multinational and multisector business experience.

Prior to James Hardie, Dr Truong was the President and Chief Executive Officer of leading home appliance manufacturer, Electrolux North America Inc, a $5+ billion revenue and 14,000+ employee business at the time of his leadership.

Before joining Electrolux, Dr Truong enjoyed a successful 22-year career at 3M Company, where he held senior leadership roles throughout the United States, Europe and Asia-Pacific, including Vice President and General Manager of the Global Construction and Home Improvements Division and Global Office Supplies Division.

As an engineer and inventor himself – earning his PhD in chemical engineering from the Rensselaer Polytechnic Institute in New York – Dr Truong is the recipient of 11 U.S. patents and several international patents.  Dr Truong also enjoys giving time to philanthropic causes and professional industry associations, receiving multiple accolades for his humanitarian work and business accomplishments.


Rhonda Stickley BA

Chief Human Resources  Officer
Age 55

Rhonda Stickley photo September 2018

Rhonda Stickley joined James Hardie as Chief Human Resources Officer (“CHRO”) in June 2018.  Ms Stickley brings over 25 years of experience in human resources, with more than a decade in manufacturing environments.  Her broad experience ranges from roles at The Boeing Company, Weyerhaeuser, Providence Health & Services, Recreational Equipment Incorporated (REI) and Bass Pro Shops.  

As CHRO, Ms Stickley is responsible for overseeing all human resource activities globally, including employee engagement, leadership and talent development and human resources strategy.

Most recently, Ms Stickley served as the CHRO at Bass Pro Shops, where she played a key role in redefining the HR strategy, culture, and processes to support the acquisition of Cabela’s. Throughout her career, Ms Stickley has developed expertise in leadership development, succession, talent acquisition and cultural transformation. Her multi industry experience spans leading through periods of rapid growth, mergers & acquisitions economic downturns and corporate restructuring. 

Ms Stickley has a Bachelor of Arts (Sociology and Psychology) from Saint Martin’s University, where she graduated Magna Cum Laude. 


Sean Gadd BEng, MBA
Executive Vice President, North America Commercial
Age 45

Photo Sean Gadd April 2017

Sean Gadd joined James Hardie in 2004 as a Regional Engineering Manager for the Asia Pacific business, and progressed to Plant Manager for both the Carole Park and Rosehill facilities in Australia. Mr Gadd then moved to the US in 2006 to take the role of Manufacturing Manager for Trim and various manufacturing facilities across the US.

In 2009, Mr Gadd ran the US trim business for James Hardie with responsibility for both Manufacturing and Sales, followed by a brief assignment leading Supply Chain. In 2012, Mr Gadd was promoted to the role of Vice President of Sales for Western USA and Canada. Over the next year, his role was expanded to include the Midwest and Northeast of the USA.

Mr Gadd was appointed Executive General Manager in September 2013 with full responsibility for the Northern Division and in October 2015, he was appointed Executive Vice President, Markets and Segments, North America with responsibility for Strategic Marketing and Development.

In November 2018, Mr Gadd was appointed Executive Vice President, North America Commercial with responsibility for sales, products, segments and marketing.

Mr Gadd has a Bachelor of Engineering in Manufacturing Management and an executive MBA from the Australian Graduate School of Management, Australia.


Dave Merkley BSc (Construction)
Executive Vice President, Manufacturing and Engineering
Age 55

Dave Merkley photo

Dave Merkley first joined James Hardie in 1994 as Plant Manager of the Fontana, California facility in the United States. Mr Merkley has held a number of roles with the Company including US R&D Manager and US Manufacturing Manager, before being promoted to the position of Executive Vice President, Operations and Manufacturing with global responsibility in 2002.

In 2006, Mr Merkley left James Hardie and worked as a consultant in the building products industry, gaining experience in composite building material and wood polymer composites decking and fencing. Mr Merkley rejoined James Hardie in October 2016 and was promoted to the role of Executive Vice President, Manufacturing and Engineering in November 2017.

Prior to joining James Hardie in 1994, Mr Merkley held various engineering positions in the civil construction industry, including heavy highway and infrastructure construction.

Collectively Mr Merkley has over 30 years relevant industry experience and holds a Bachelor of Science in Construction from Arizona State University.


Ryan Kilcullen BSc, MS
Executive Vice President, Operations
Age 37

Photo Ryan Kilcullen April 2017

Ryan Kilcullen joined James Hardie in 2007 as a PcI/PdI Engineer. Since then, he has worked for the Company in various manufacturing and supply chain roles including Process Engineer, Production Manager, and Supply Chain Engineer. In 2012, he became Supply Chain Manager, ColorPlus Business Unit, responsible for the end-to- end design and performance of our ColorPlus product line supply chain. In 2013, he became responsible for North American Supply Chain operations, with responsibilities that included Procurement, Network Planning, Production Planning, Transportation, Distribution Management, Customer Service, and Inside Sales. In June 2015, he was appointed Vice President – Central Operations, responsible for the Company’s Supply Chain Operations and Centralized Manufacturing functions.

In August 2016, he was appointed Executive Vice President – Operations, responsible for the Company’s Supply Chain, Manufacturing, Engineering and Environmental, Health & Safety Operations.

Mr Kilcullen has a Bachelor of Science in Industrial Engineering from Rensselaer Polytechnic Institute and a Master of Engineering in Logistics from Massachusetts Institute of Technology.

Joe Blasko BSFS, JD
General Counsel and Chief Compliance Officer
Age 51

Photo Joe Blasko April 2017

Joe Blasko joined James Hardie as General Counsel and Chief Compliance Officer in June 2011.

Before joining James Hardie, Mr Blasko was Assistant General Counsel, and later, the General Counsel at Liebert Corporation, an Emerson Network Power Systems company and wholly-owned subsidiary of Emerson Electric Co. In his four years with Liebert/Emerson, Mr Blasko was responsible for establishing the legal department in Columbus, Ohio, managing and overseeing all legal matters and working closely with the executive management team. In this role, Mr Blasko also had global responsibilities which required expertise across multiple jurisdictions.

04 to 2006, Mr Blasko was Associate General Counsel at The Scotts Miracle-Gro Company, serving as the effective “general counsel” to numerous corporate divisions within the organization. From 1997 to 2004, Mr Blasko gained considerable regulatory and litigation expertise working at Vorys, Sater, Seymour and Pease LLP in Ohio.

Mr Blasko has a Juris Doctor from Case Western Reserve University in Cleveland, Ohio, USA and a Bachelor of Science in Foreign Service from Georgetown University, USA, with a specialty in International Relations, Law and Organizations.


Jason Miele BA

Vice President, Investor and Media Relations 
Age 41

Photo Jason Miele April 2017

Jason Miele was appointed to the position of Vice President – Investor and Media Relations in February 2017. Mr Miele has responsibility for overseeing the Company’s investor relations strategy and successful interface with external audiences, communicating the Company’s business strategy and its financial performance to various stakeholders including shareholders, investment analysts, and the financial media.

Mr Miele has 20 years of relevant professional experience, including 11 years of experience with James Hardie, where he has served in various finance and operational support roles, most recently as James Hardie’s Group Controller, a position he has held since 2013.

Mr Miele has a Bachelor’s Degree from the University of California at Santa Barbara, where he graduated with a degree in Business Economics with an emphasis in Accounting.


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