Dave Colen (M.S.c in Communication, Northwestern University) is a professor in the Security Management program and currently serves as the Assistant Director of Investigations, Privacy and Conflicts of Interest for Astellas. Previously, Dave was the Director of Corp. Investigations for Walgreens. At Walgreens, he handled sensitive and confidential investigations involving the identification and mitigation of a myriad of risks Walgreens faced. Prior to working with Walgreens, he was a federal law enforcement officer for the Postal Inspection Service. While there he held positions including fraud investigator, basic training instructor, public information officer and train the trainer instructor. Dave is also a CPA and Certified Fraud Examiner.