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Forging a new legacy: Tshenolo Ntshekang on building a black-owned diamond beneficiation business in South Africa

In an industry historically defined by limited access and foreign dominance, Tshenolo Ntshekang is carving a new path. The founder of Banzi and Karolo Projects, a black-owned diamond beneficiation business, Ntshekang, represents a growing wave of...

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Mahiar Borhanjoo returns to ‘The Heart Of The Diamond Business’

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27 october 2025

Mubri president Ali Pastorini: You just need to play a transparent game and do everything possible to attract clients

Ali Pastorini, co-owner of the DEL LIMA JEWERLY and president of the Mubri International Association, which unites more than 2,500 wholesalers, retailers, and designers from 18 countries. In this interview with Rough&Polished Ali Pastorini talks about...

20 october 2025

Dr M'zée Fula Ngenge: Diamond industry must embrace transparency, new sales models to survive

The global diamond industry must fundamentally overhaul its opaque and inefficient sales systems to survive a severe price slump and compete with lab-grown stones, according to Dr M'zée Fula Ngenge, Chairman of the African Diamond Council (ADC)...

13 october 2025

Barrick’s Mark Bristow retires, Mark Hill appointed as interim president and CEO

06 october 2025

Barrick Mining Corporation has appointed Mark Hill as group’s COO, interim president and CEO as the previous president and CEO of the company Mark Bristow stepped down, effective immediately.

Mark Bristow is stepping down as president and CEO after nearly seven years having joined Barrick following the company’s merger with Randgold in 2019. He oversaw the successful integration of the two companies and made significant investments in Barrick’s top assets.

"On behalf of the Board, I want to thank Mark for his leadership of Barrick. During his tenure, Mark strengthened our portfolio and helped position Barrick as a leading global producer of gold and copper," said chairman of Barrick’s board of directors John Thornton.

The company’s press service said that Mark Hill is a seasoned mining executive with 30 years of experience who joined Barrick in 2006. He is experienced in strategy, corporate development and leading major projects across the world, and was also integral in the initial decision to undertake exploration at the Fourmile gold project in Nevada.

Meanwhile, the Search Committee of the board of directors, chaired by Brett Harvey, has embarked on a process with the support of a leading executive search firm to identify a permanent president and CEO.

Theodor Lisovoy, Managing Editor, Rough&Polished