Dateline Resources Appoints Mining Veteran Simon Slesarewich as Chief Operating Officer to Lead Development of U.S. Gold and Rare Earths Project
Dateline Resources (OTCQB:DTREF) has appointed mining veteran Simon Slesarewich as Chief Operating Officer, effective August 4, 2025. Slesarewich brings over 25 years of international experience in project development and operations across various commodities.
The new COO joins from Thiess, where he served as Operations Director managing contracts with 1,200+ personnel. His notable achievements include leading a $5.2 billion transaction with Whitehaven Coal and developing the Middlemount Coal Mine, a 4.2 Mtpa operation with $500 million in capital construction.
Slesarewich has demonstrated commitment by personally investing $1 million in Dateline shares. He will lead the development of the company's 100%-owned Colosseum Gold and Rare Earth Elements Project in California.
Dateline Resources (OTCQB:DTREF) ha nominato il veterano dell'industria mineraria Simon Slesarewich come Chief Operating Officer, con effetto dal 4 agosto 2025. Slesarewich vanta oltre 25 anni di esperienza internazionale nello sviluppo di progetti e nelle operazioni su diverse materie prime.
Il nuovo COO arriva da Thiess, dove ha ricoperto il ruolo di Direttore delle Operazioni gestendo contratti con oltre 1.200 dipendenti. Tra i suoi risultati più significativi, la guida di una transazione da 5,2 miliardi di dollari con Whitehaven Coal e lo sviluppo della miniera di carbone Middlemount, un'operazione da 4,2 Mtpa con 500 milioni di dollari investiti in costruzioni capitali.
Slesarewich ha dimostrato il suo impegno investendo personalmente 1 milione di dollari in azioni Dateline. Sarà responsabile dello sviluppo del progetto Colosseum Gold and Rare Earth Elements, interamente di proprietà della società, situato in California.
Dateline Resources (OTCQB:DTREF) ha nombrado al veterano minero Simon Slesarewich como Director de Operaciones, con efecto a partir del 4 de agosto de 2025. Slesarewich aporta más de 25 años de experiencia internacional en desarrollo de proyectos y operaciones en diversas materias primas.
El nuevo COO proviene de Thiess, donde se desempeñó como Director de Operaciones gestionando contratos con más de 1,200 empleados. Entre sus logros destacados se incluye liderar una transacción de 5.2 mil millones de dólares con Whitehaven Coal y desarrollar la mina de carbón Middlemount, una operación de 4.2 Mtpa con una inversión de 500 millones de dólares en construcción de capital.
Slesarewich ha demostrado su compromiso invirtiendo personalmente 1 millón de dólares en acciones de Dateline. Liderará el desarrollo del proyecto Colosseum Gold and Rare Earth Elements, propiedad 100% de la empresa, ubicado en California.
Dateline Resources (OTCQB:DTREF)는 광산 업계 베테랑인 Simon Slesarewich를 2025년 8월 4일부로 최고운영책임자(COO)로 임명했습니다. Slesarewich는 다양한 원자재 분야에서 25년 이상의 국제 경험을 보유하고 있습니다.
신임 COO는 Thiess에서 근무하며 1,200명 이상의 인력과 계약을 관리하는 운영 이사로 일했습니다. 주요 업적으로는 Whitehaven Coal과의 52억 달러 규모 거래를 주도하고, 연간 420만 톤 생산 규모의 Middlemount 석탄광 개발과 5억 달러 규모의 자본 건설을 성공적으로 수행한 점이 있습니다.
Slesarewich는 Dateline 주식에 개인적으로 100만 달러를 투자하며 헌신을 보여주었습니다. 그는 회사가 100% 소유한 캘리포니아의 Colosseum 금 및 희토류 원소 프로젝트 개발을 이끌 예정입니다.
Dateline Resources (OTCQB:DTREF) a nommé le vétéran de l'industrie minière Simon Slesarewich au poste de Directeur des Opérations, à compter du 4 août 2025. Slesarewich apporte plus de 25 ans d'expérience internationale dans le développement de projets et les opérations sur diverses matières premières.
Le nouveau COO rejoint Thiess, où il a occupé le poste de Directeur des Opérations, supervisant des contrats avec plus de 1 200 employés. Parmi ses réalisations notables figurent la conduite d'une transaction de 5,2 milliards de dollars avec Whitehaven Coal et le développement de la mine de charbon Middlemount, une opération de 4,2 Mtpa avec 500 millions de dollars d'investissements en capital.
Slesarewich a démontré son engagement en investissant personnellement 1 million de dollars dans les actions de Dateline. Il dirigera le développement du projet Colosseum Gold and Rare Earth Elements, détenu à 100 % par la société, situé en Californie.
Dateline Resources (OTCQB:DTREF) hat den Bergbau-Veteranen Simon Slesarewich mit Wirkung zum 4. August 2025 zum Chief Operating Officer ernannt. Slesarewich bringt über 25 Jahre internationale Erfahrung in der Projektentwicklung und im operativen Geschäft verschiedener Rohstoffe mit.
Der neue COO kommt von Thiess, wo er als Operations Director Verträge mit über 1.200 Mitarbeitern leitete. Zu seinen bemerkenswerten Erfolgen zählt die Führung einer 5,2 Milliarden Dollar Transaktion mit Whitehaven Coal sowie die Entwicklung der Middlemount-Kohlemine, einer 4,2 Mtpa Anlage mit 500 Millionen Dollar Investitionskosten.
Slesarewich zeigte sein Engagement durch eine persönliche Investition von 1 Million Dollar in Dateline-Aktien. Er wird die Entwicklung des zu 100 % im Besitz des Unternehmens befindlichen Colosseum Gold and Rare Earth Elements Projekts in Kalifornien leiten.
- New COO brings 25+ years of extensive mining operations and development experience
- COO's personal $1 million investment demonstrates confidence in company's future
- Previous success in managing large-scale operations with 1,200+ personnel
- Proven track record in project development, including $5.2B Whitehaven Coal transaction
- Experience in delivering projects on time and under budget (Middlemount Coal Mine)
- None.
Dateline COO to accelerate development of Colosseum Gold and REE project
SYDNEY, AUSTRALIA AND SAN BERNARDINO COUNTY, CA / ACCESS Newswire / July 14, 2025 / Dateline Resources Limited (ASX:DTR)(OTCQB:DTREF), a North American-focused mining and exploration company, today announced the appointment of Mr. Simon Slesarewich as Chief Operating Officer (COO), effective August 4, 2025.
Mr. Slesarewich brings more than 25 years of international experience in project development, operations, and executive leadership across a range of commodities including gold, base metals, industrial minerals, and bulk commodities. In his new role, he will lead the development of Dateline's
"We are thrilled to have Simon join Dateline as our Chief Operating Officer at this pivotal stage for the Company," said Stephen Baghdadi, Managing Director of Dateline Resources. "Simon's decision to come on board, and his significant personal shareholding in Dateline, is a strong vote of confidence in the Colosseum Project and our vision. He brings a wealth of operational experience and a proven track record in taking projects from study through to production. We are confident that his leadership will be instrumental in successfully delivering the Colosseum Gold & REE Project into production and driving significant growth for Dateline."
Mr. Slesarewich joins Dateline from Thiess, the world's largest mining services provider with over 12,000 employees globally, where he served in senior executive roles including Operations Director and Project Director. At Thiess, he managed mining contracts generating significant annual revenues and played a key role in the deployment of cutting-edge mining technologies. His career highlights include:
Large-Scale Operations Management: In his role as Operations Director, he managed two full-service mining contracts with significant annual revenues and more than 1,200 personnel under management.
Commercial Strategy & Integration: Mr Slesarewich also led the sale of Boardwalk Resources to Whitehaven Coal as part of a
$5.2 billion transaction. Other roles have included Head of Integration, where he developed and executed a strategy that achieved cost synergies beyond the acquisition model and unified key business systems across finance, assets, IT, and people. This demonstrates his strong commercial acumen and ability to align large organizations to strategic objectives.Mine Development - Middlemount Coal: Earlier in his career, as General Manager, Operations of the Middlemount Coal Mine (Queensland), Mr Slesarewich transformed an undeveloped concept into a fully operational mining operation. He successfully led the greenfield development of Middlemount, a 4.2 Mtpa coking coal mine, overseeing approximately A
$500 million in capital construction and a A$400 million annual operating budget, with a workforce of over 800 staff. Under his leadership, Middlemount was developed on time and on budget, and was noted for its significantly lower capital intensity compared to peer projects.
Mr. Slesarewich has personally invested approximately
"I am extremely excited to be joining Dateline Resources," said Mr. Slesarewich. "As an investor in the Company, I firmly believe in the potential of the Colosseum Gold and Rare Earths Project and its strategic importance. I look forward to working closely with Stephen and the team to advance Colosseum through the feasibility study and into construction and production. Together, we will be focused on executing the project effectively and creating significant value for all Dateline shareholders as we move toward production."
About Dateline Resources Limited
Dateline Resources Limited (ASX:DTR)(OTCQB:DTREF) is an Australian company focused on mining and exploration in North America. The Company owns
The Colosseum Gold Mine is located in the Walker Lane Trend in East San Bernardino County, California. On 6 June 2024, the Company announced to the ASX that the Colosseum Gold mine has a JORC-2012 compliant Mineral Resource estimate of 27.1Mt @ 1.26g/t Au for 1.1Moz. Of the total Mineral Resource, 455koz @ 1.47/t Au (
On 23 May 2025, Dateline announced that updated economics for the Colosseum Gold Project generated an NPV6.5 of US
The Colosseum is located less than 10km north of the Mountain Rare Earth mine. Planning has commenced on drill testing the REE potential at Colosseum.
Forward-Looking Statements
This announcement may contain "forward-looking statements" concerning Dateline Resources that are subject to risks and uncertainties. Generally, the words "will", "may", "should", "continue", "believes", "expects", "intends", "anticipates" or similar expressions identify forward-looking statements. These forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from those expressed in the forward-looking statements. Many of these risks and uncertainties relate to factors that are beyond Dateline Resources' ability to control or estimate precisely, such as future market conditions, changes in regulatory environment and the behavior of other market participants. Dateline Resources cannot give any assurance that such forward-looking statements will prove to have been correct. The reader is cautioned not to place undue reliance on these forward-looking statements. Dateline Resources assumes no obligation and does not undertake any obligation to update or revise publicly any of the forward-looking statements set out herein, whether as a result of new information, future events or otherwise, except to the extent legally required.
Contact Information
Stephen Baghdadi
Managing Director
Dateline Resources Limited
+61 2 9375 2353
info@datelineresources.com.au
www.datelineresources.com.au
Andrew Rowell
White Noise Communications
+61 400 466 226
andrew@whitenoisecomms.com
Follow Dateline on X: @Dateline_DTR
Dateline Resources Limited
Level 29, 2 Chifley Square, Sydney, NSW 2000, Australia
This press release is authorized for release by the Board of Dateline Resources Limited.
SOURCE: Dateline Resources Limited
View the original press release on ACCESS Newswire
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