In 1958, upon returning to Canada he moved to Calgary he founded Siebens Leasehold Ltd. an oil and gas leasing company.
He founded Siebens Leasehold Ltd., an oil and gas leasing company. In 1958, upon returning to Canada, he moved to Calgary.
In 1958, upon returning to Canada, he moved to Calgary. He founded Siebens Leasehold Ltd., an oil and gas leasing company.
In 1958, upon returning to Canada, he moved to Calgary. He founded Siebens Leasehold Ltd., an oil and gas leasing company.