Mr. John Grill is the Chairman of WorleyParsons. He has more than 40 years of experience in the resources and energy industry. Mr. Grill started his career with Esso Australia. He served as the Chief Executive Officer of Wholohan Grill and Partners, the entity that later became WorleyParsons Limited. Mr. Grill also serves the Chairman of the National Precincts Board; and member of the board of Neuroscience Research Australia and Australian Chamber Orchestra.

Mr. Chris Ashton has been the Chief Executive Officer, Managing Director and Director since 2020. Prior to this, he was the Chief Operating Officer of the company. Mr. Ashton also held a number of senior operational, sales and strategy roles, working in Europe, Middle East, Africa and the US. He joined Worley in 1998 after more than 15 years in senior engineering and operational roles with international organizations.

Ms. Vikki Pink has been the Chief People Officer of the company. Prior to joining the company in 2019, she was appointed as President of People and Organisation at Wood between 2012 and 2019. Prior to this, she served as Head of Human Resources at PGG Wrightson between 2009–2011 and Principal Consultant Organisational Development at Sheffield between 2007–2009.