John Diasselliss

US Mining Industry Leader

John Diasselliss

1601 Wewatta Street

Suite 400​



United States


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John is a principal and has been primarily focused on the mining and metals sectors for most of his career, during which he has supported senior executives across a variety of strategic, operational, financial and technology business areas to evaluate and enhance their company’s approaches to managing and taking risk, considering emerging trends and realizing business value.

He currently serves as the Lead Advisory Business Partner for Freeport-McMoRan Inc., Newmont Mining and The Mosaic Company and Lead Client Service Partner for several non-program accounts. John also has extensive, and hands-on, experience leading teams across the Americas, Asia, Europe and Africa, which has enabled him to develop deep relationships across the firm’s global mining and metals industry team.

John is originally from New Orleans, LA and has also lived in Atlanta, GA and Phoenix, AZ. He currently calls Denver, CO home with his wife and three kids. Outside of work and family, he enjoys music (live concerts, vinyl!), great food and traveling.

John Diasselliss