Follow the leaders: This week’s executive appointments


Keep up with the latest executive movements across the mining sector, featuring Fortescue Future Industries, Medusa Mining, St George Mining and more.


Guy Debelle has been appointed as chief financial offer of Fortescue Future Industries (FFI) as the company continues to advance its global green energy vision.

As the deputy governor of the Reserve Bank of Australia, Debelle will play an important role in facilitating FFI’s ambition of producing 15 million tonnes of green hydrogen per annum by 2030.

“Bringing in someone of Debelle’s economic credibility goes to the heart of our vision for FFI,” Fortescue Metals Group chairman Andrew Forrest said. “Not only are we committed to arresting climate change, we are also committed to creating economic growth, increasing jobs and growing our business profitability.

“With the leadership team, (Debelle) will drive the most optimal financial solutions for FFI’s vast technology and energy portfolio. This will be instrumental in Fortescue’s journey to become the best green hydrogen, energy and resources company in the world.”


Medusa Mining has appointed Paul Ryan Welker as managing director, who was recently appointed as a non-executive director of the company following its acquisition of Ten Sixty Four.

Welker has worked in management, corporate development and finance roles at various companies such as Rio Tinto, Hancock Prospecting and Standard Bank. Before moving back to Australia in 2019, he worked at EAS Advisors in New York where he advised and raised more than $2 billion for various companies.

Medusa chair Jeffrey McGlinn said Welker brings plenty of experience to the company.

“Ryan’s significant experience in the small-mid cap resources space is extremely relevant to the business as we look to continue our consistent operational performance at the Co-O Gold Mine in the Philippines and pursue growth from our new exploration assets in Queensland,” McGlinn said.


Julian Hanna has joined St George Mining as its general manager of growth and development, bringing with him more than 35 years’ experience in the resources sector.

During his 12 years as co-founder and managing director of Western Areas, which has since been acquired by IGO, he elevated it from a $6 million initial public offering (IPO) company to Australia’s number one independent nickel sulphide producer.

St George executive chair John Prineas said Hanna is a significant addition to the company.

“His successful track record in exploration, mine development and corporate growth and his industry leading experience in WA’s nickel sulphide sector will be great assets to the company and support our commitment to create shareholder wealth.”


Prodigy Gold has welcomed accredited and experienced geologist Mark Edwards as its new managing director.

Edwards has made a career out of the definition and replacement of resources and reserves on gold projects throughout Northern Territory, Western Australia and Botswana. He has worked with the likes of Otter Gold Mines, Kirkland Lake Gold and Sons of Gwalia.

Brett Smith will remain in an interim executive role until Edwards begins on May 1, with Smith to revert back to non-executive director following Edwards’ commencement.


David Lenigas has joined Riversgold as executive chairman as the company moves towards lithium exploration in the Pilbara region of Western Australia.

Lenigas is the right man for the job, having been an influential funder and shareholder of corporate entities of both the Cinovec lithium project in the Czech Republic and the Sonora lithium project in Mexico.

He served as a director of Baconora Minerals and negotiated a key lithium supply contract with a major United States electric vehicle manufacturer.

With Lenigas’ appointment, Simon Andrew and Xavier Braud transition into non-executive director roles. Simon Bolster has stepped down from the board due to other work commitments.

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