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William Hanes

Co-CEO / Owner

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Tom Hollis

Co-CEO & Owner

(716) 771-6352
tom@greenumbrellasystems.com

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Ben Wiese

President

(208) 910-9178
ben@greenumbrellasystems.com

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Phil Chmieleski

National Sales Manager

(856) 777-4849
phil@greenumbrellasystems.com

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Mike Cassell, CPA

Chief Financial Officer

(844) 200-7336
mike.cassell@greenumbrellasystems.com

Jason Barnes

Chief Consultant & Cofounder

(870) 917-2054
(870) 917-8829
jb@greenumbrellasystems.com
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Mark Hurshman

Technical Consultant & Cofounder

(870) 941-6379
mark@greenumbrellasystems.com
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Derek Litwin

Systems Support

(844) 200-7336
derek@greenumbrellasystems.com

Fred Stiles

North America Sales Coordinator

fred@greenumbrellasystems.comLinkedIn

Jenna Barnes

Client Services & Operations Support

(844) 200-7336 Option 3
jenna@greenumbrellasystems.com
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Stan Campbell

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1-780-719-3408
stan@protem-solutions.ca

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