Jonathan Romcke

Corporate Officer/Principal at

The Institution of Engineers Australia

Net worth: 431 102 $ as of 30/05/2026

89 connections

Commercial Services

Energy Minerals

Non-Energy Minerals

Profile

Jonathan Romcke currently works at Australasian Institute of Mining & Metallurgy, as Member, Australian Institute of Co. Directors, as Member, The Institution of Engineers Australia, as Member, and Mine Managers Association of Australia, Inc., as Member.
Mr. Romcke also formerly worked at Allegiance Coal Ltd., as Chief Executive Officer & Director from 2022 to 2023, Mastermyne Group Ltd., as Executive Chairman from 2023 to 2024, Sphere Minerals Pty Ltd., as Managing Director in 2015, and Stanmore Resources Ltd., as General Manager-Development from 2020 to 2022.
Mr. Romcke received his undergraduate degree from the University of Wollongong.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
MASTERMYNE GROUP LIMITED 0.79%	13/10/2024	2,445,553 ( 0.79% )	431 102 $	30/05/2026

Jonathan Romcke active positions

Companies	Position	Start
The Institution of Engineers Australia The Institution of Engineers Australia Miscellaneous Commercial ServicesCommercial Services Operates as a national forum for the advancement of engineering and professional development of members	Corporate Officer/Principal	-
Australasian Institute of Mining & Metallurgy Australasian Institute of Mining & Metallurgy Miscellaneous Commercial ServicesCommercial Services Provides services to professionals engaged in all facets of the global resources sector	Corporate Officer/Principal	-
Mine Managers Association of Australia, Inc. Mine Managers Association of Australia, Inc. Miscellaneous Commercial ServicesCommercial Services Operates mining associations	Corporate Officer/Principal	-
Australian Institute of Co. Directors Australian Institute of Co. Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills	Corporate Officer/Principal	-

All active positions of Jonathan Romcke

Former positions of Jonathan Romcke

Companies	Position	End
MASTERMYNE GROUP LIMITED	Chairman	13/10/2024
ALLE COAL	Chief Executive Officer	31/05/2023
STANMORE RESOURCES LIMITED	Chief Executive Officer	31/03/2020
SPHERE MINERALS LIMITED	Chief Executive Officer	27/11/2015

See the detail of Jonathan Romcke's experience

Training of Jonathan Romcke

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Jonathan Romcke's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Private companies	9
Sphere Minerals Pty Ltd. Sphere Minerals Pty Ltd. SteelNon-Energy Minerals Explores and mines iron ores	Non-Energy Minerals
University of Wollongong University of Wollongong Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Australasian Institute of Mining & Metallurgy Australasian Institute of Mining & Metallurgy Miscellaneous Commercial ServicesCommercial Services Provides services to professionals engaged in all facets of the global resources sector	Commercial Services
Australian Institute of Co. Directors Australian Institute of Co. Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills	Commercial Services
The Institution of Engineers Australia The Institution of Engineers Australia Miscellaneous Commercial ServicesCommercial Services Operates as a national forum for the advancement of engineering and professional development of members	Commercial Services
Metarock Group Ltd. Metarock Group Ltd. Engineering & ConstructionIndustrial Services Provides mining services to the Australian coal mining industry	Industrial Services
Stanmore Resources Ltd. Stanmore Resources Ltd. CoalEnergy Minerals Identifies and develops export thermal, coking and coal exploration properties	Energy Minerals
Mine Managers Association of Australia, Inc. Mine Managers Association of Australia, Inc. Miscellaneous Commercial ServicesCommercial Services Operates mining associations	Commercial Services
Allegiance Coal Ltd. Allegiance Coal Ltd. CoalEnergy Minerals Engages in the acquisition and exploration of coal tenements	Energy Minerals