Michael Crombie

Chief Executive Officer at INTER-ROCK MINERALS INC.

Net worth: 11 M $ as of 2026-05-30

Process Industries

Consumer Services

Retail Trade

Profile

Michael B. Crombie is currently the Chief Executive Officer & Director at Inter-Rock Minerals, Inc. since 1999 and the Chief Executive Officer at MIN-AD, Inc. He completed undergraduate, graduate, and doctorate degrees at the University of Toronto.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
INTER ROCK MINERALS INC PFD 50%	2025-04-23	8,568,490 ( 50% )	6 M $	2026-05-30
INTER-ROCK MINERALS INC 26.74%	2025-04-23	5,803,200 ( 26.74% )	4 M $	2026-05-30

Michael Crombie active positions

Companies	Position	Start
INTER-ROCK MINERALS INC.	Chief Executive Officer	1998-12-31
MIN-AD, Inc. MIN-AD, Inc. Food RetailRetail Trade Supplies dolomite to beef and dairy cattle feed industries	Chief Executive Officer	-

All active positions of Michael Crombie

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Linked companies

Private companies	3
Inter-Rock Minerals, Inc. Inter-Rock Minerals, Inc. Agricultural Commodities/MillingProcess Industries Produces and markets dairy feed nutritional supplements and purity dolomite products	Process Industries
University of Toronto University of Toronto Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
MIN-AD, Inc. MIN-AD, Inc. Food RetailRetail Trade Supplies dolomite to beef and dairy cattle feed industries	Retail Trade