Donald Simmons

Chief Executive Officer at HEMISPHERE ENERGY CORPORATION

Net worth: 6 M $ as of 2026-07-30

48 year

91 connections

Energy Minerals

Non-Energy Minerals

Consumer Services

Profile

Donald J.
Simmons is President, Chief Executive Officer & Director at Hemisphere Energy Corp.
since 2008.
Memberships include the Canadian Society of Petroleum Geologists and the Association of Professional Engineers & Geoscientists of AB. Former roles include Geologist at Ovintiv Canada ULC, Vice President-Exploration at Northern Continental Resources, Inc., Geologist at Alberta Energy Co. Ltd., and Geologist at Sebring Energy, Inc. Education includes an undergraduate degree from Queen's University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
HEMISPHERE ENERGY CORP 3.51%	2025-12-12	3,310,000 ( 3.51% )	6 M $	2026-07-30

Donald Simmons active positions

Companies	Position	Start
HEMISPHERE ENERGY CORPORATION	Chief Executive Officer	2008-01-31
Canadian Society of Petroleum Geologists Canadian Society of Petroleum Geologists Engineering & ConstructionIndustrial Services Operates water and waste-water pipe joint industry	Corporate Officer/Principal	2009-12-04
Association of Professional Engineers & Geoscientists of AB Association of Professional Engineers & Geoscientists of AB Miscellaneous Commercial ServicesCommercial Services Operates an association for practices of engineering and geoscience	Corporate Officer/Principal	-

All active positions of Donald Simmons

Former positions of Donald Simmons

Companies	Position	End
Sebring Energy, Inc. Sebring Energy, Inc. Oil & Gas ProductionEnergy Minerals Explores and mines for oil and gas	Corporate Officer/Principal	2006-12-31
Alberta Energy Co. Ltd. Alberta Energy Co. Ltd. Oil & Gas ProductionEnergy Minerals Explores for, produces, and markets oil and gas	Corporate Officer/Principal	-
Ovintiv Canada ULC Ovintiv Canada ULC Oil & Gas ProductionEnergy Minerals Operates as an oil and gas exploration & production company	Corporate Officer/Principal	-
Northern Continental Resources, Inc. Northern Continental Resources, Inc. Other Metals/MineralsNon-Energy Minerals Explores and develops mineral properties	Corporate Officer/Principal	-

See the detail of Donald Simmons's experience

Training of Donald Simmons

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Donald Simmons's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Private companies	8
Ovintiv Canada ULC Ovintiv Canada ULC Oil & Gas ProductionEnergy Minerals Operates as an oil and gas exploration & production company	Energy Minerals
Northern Continental Resources, Inc. Northern Continental Resources, Inc. Other Metals/MineralsNon-Energy Minerals Explores and develops mineral properties	Non-Energy Minerals
Hemisphere Energy Corp. Hemisphere Energy Corp. Oil & Gas ProductionEnergy Minerals Engages in the exploration and production of crude oil and natural gas	Energy Minerals
Alberta Energy Co. Ltd. Alberta Energy Co. Ltd. Oil & Gas ProductionEnergy Minerals Explores for, produces, and markets oil and gas	Energy Minerals
Queen's University Queen's University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Sebring Energy, Inc. Sebring Energy, Inc. Oil & Gas ProductionEnergy Minerals Explores and mines for oil and gas	Energy Minerals
Canadian Society of Petroleum Geologists Canadian Society of Petroleum Geologists Engineering & ConstructionIndustrial Services Operates water and waste-water pipe joint industry	Industrial Services
Association of Professional Engineers & Geoscientists of AB Association of Professional Engineers & Geoscientists of AB Miscellaneous Commercial ServicesCommercial Services Operates an association for practices of engineering and geoscience	Commercial Services