Doug Corbin
Mesa,AZ
Summary
Accomplished Senior Detective with over 23 years of experience leading complex investigations in Fraud, Homicide, Special Victims, and Internal Affairs. Proven expertise in directing large-scale case operations, managing cross-functional investigative teams, and ensuring evidence integrity for prosecution. Recognized as an expert witness in state and federal courts. Adept at analyzing data trends, reallocating investigative resources, and streamlining operations. Demonstrated success in developing strategies, training programs, and reporting systems that align with enterprise goals. Ready to transition into corporate SIU leadership to lead investigations, foster cross-departmental collaboration, and ensure regulatory compliance.
Overview
23
23
years of professional experience
1
1
Certification
Work History
Deputy Sheriff – Senior Detective & Unit Lead
Maricopa County Sheriff’s Office
Phoenix, USA
07.2002 - Current
- Directed and supervised investigative teams across Fraud, Internal Affairs, Special Victims, and Homicide units.
- Managed team workload, balanced operational priorities, and adjusted resource allocation based on evolving case metrics.
- Designed and implemented investigative strategies and procedures, ensuring adherence to regulatory requirements.
- Testified as an expert witness in state and federal court proceedings on investigative protocols and case findings.
- Developed interagency and industry relationships to streamline investigative support and intelligence sharing.
- Delivered training on investigative processes and compliance as a POST-certified instructor and forensic interviewer.
- Conducted root cause analysis using data insights to improve case outcomes and operational strategy.
- Advised command staff and prosecuting attorneys on complex, high-impact investigations, and case strategy.
Education
High School Diploma -
McClintock High School
Tempe, AZ01.1986
Some College (No Degree) - Criminal Justice
Mesa Community College
Mesa, AZSkills
- Strategic Investigations Leadership
- Criminal investigations
- Data Analysis of Performance Metrics
- Team Development & Cross-functional Coordination
- Regulatory Compliance
- Expert court testimony and case management
- Interagency collaboration
- Case management
- Forensic interviewing
- Evidence collection
- Conflict resolution
- Resource allocation
- Training Program Design
- Crisis Response & De-escalation
- Attorney case advisement
- Expert witness testimony
- Advanced Interview & Interrogation Techniques
Certification
- Certified Arizona POST General Instructor
- Certified Internal Affairs Investigator
- Certified Forensic Interviewer
- Expert Interview and Interrogation Witness
Timeline
Deputy Sheriff – Senior Detective & Unit Lead
Maricopa County Sheriff’s Office
07.2002 - Current
High School Diploma -
McClintock High School
Some College (No Degree) - Criminal Justice
Mesa Community College
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