John Duke CSMIE
Mr. Duke is a former Police Officer that has been in the Private Investigation and Security industry for over 9 years. Mr. Duke is a graduate of Sault College and the Ontario Police College.
Mr. Duke realizes the importance that digital data has on investigations and has positioned MDIS Intelligence to be a leader in the Intelligence and Investigation industry. With experience working in all areas of Ontario and parts of Quebec, including large urban centres and rural towns, Mr. Duke understands the subtle nuances necessary for successful investigations.
Mr. Duke believes in continuous education and the benefits of life-long learning. He is currently working towards his Certified Fraud Examiner designation and a diploma in Business Management.


To combine traditional investigative techniques with modern advancements in the investigation industry to ensure the complete diligence and effectiveness of our investigations.

Our Locations


Head Office:
1595 16th Avenue, Suite 301
Richmond Hill, ON, Canada
L4B 3N9
Sault Ste. Marie Office:
464 Albert St East, Suite 203
Sault Ste. Marie, ON, Canada
P6A 2J8

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