Leadership Team

John C. Riddle

President & CEO

Mr. Riddle has guided the collective efforts of Dynamic Security, Inc. and Dynamic Staffing, Inc. since early in his business career. Following a short hiatus during which he left to earn his degree in business administration from Southern Methodist University, he worked in various accounting management positions in Dallas, Texas. He then assumed control of Dynamic upon his father’s death in 1976. Since then, he has devoted his full efforts towards building Dynamic into the strong competitor that it is today by developing a robust organizational team of experienced security business professionals. In the year 2000, the Chamber of Commerce named Mr. Riddle “Businessman of the Year”, the highest honor given by the Chamber, for his continued business success and contribution to the community.

Scott Riddle (MCP)

Executive Vice President

Now responsible for every facet of Dynamic Security, Inc., and Dynamic Staffing, Inc. and Mr. Riddle brings to the company more than 35 years of experience, having worked in every operational and sales position.  Beginning his career as a Security Officer, Mr. Riddle later worked as Field Supervisor, District Manager, Quality Assurance Manager and Business Development Representative before assuming the position of Vice President for Dynamic Security in 1999 and finally Executive Vice President in 2004.

Mr. Riddle has negotiated federal contracts and maintained relationships with multiple federal agencies.  And he has fostered contractual alliances with numerous Fortune 500 companies.  Serving as an industry vanguard, Scott has also pushed forward the quality of operational reporting by inventing the Dynamic Officer Reporting System (a.k.a. DORS), a cloud based, multi- platform, client focused reporting solution.

Gail Arrington (CPA)

Chief Financial Officer

Ms. Arrington is the company’s Chief Financial Officer and provides insight into all facets of financial administration for Dynamic Security. She holds both a Bachelor’s and Master’s degree in Accountancy from the University of Mississippi and is a Certified Public Accountant. Ms. Arrington is an accomplished Financial Analyst with experience in the service industry and medical fields. Additionally, Gail possesses a technical background, making her instrumental in the implementation and rollout of accounting software systems. She is also responsible for the company’s commercial insurance program and works to mitigate risks to both Dynamic and our clients. Gail is active in the Shoals community, serving on the Executive Business Council for the Sanders College of Business and Technology at the University of North Alabama and is also a Graduate of the Shoals Chamber of Commerce’s Leadership Shoals program.

Kristal Riddle

Director of Legal Affairs

Ms. Riddle’s distinguished educational background includes a Bachelor’s Degree in Accounting & Business Administration from the University of North Alabama and numerous professional certifications in both Government and Private sectors of business. This is augmented by decades of experience as a Director of Human Resources, an Accountant and an Operations Manager. 

Tracy Peoples

Regional Vice President

Mr. Peoples brings more than 26 years of security experience to Dynamic Security. Tracy came to Dynamic in 2010 as a Security Officer and has worked his way up in the Company, holding every operational position within Dynamic including but not limited to Field Supervisor, Operations Manager, District Manager and Regional Manager before being appointed to his current position of Regional Vice President.  Prior to joining the Dynamic team Mr. Peoples proudly served in United States Air Force as a Weapons System Specialist for 20 years. He is also instrumental in Dynamic’s training program as a State Board licensed instructor in multiple states across Dynamic Security’s service footprint in addition to holding many other industry specific training class certifications.

Dennis Johnson

Regional Vice President

After earning 25 years of tenure as a Unit Operations Manager with the Georgia Department of Corrections, Dennis Johnson retired from corrections and began a new career with Dynamic Security, Inc.  In the past decade Mr. Johnson has seen progressive promotions, starting as a Branch Manager, later becoming the Regional Manager over the State of Georgia; and now he serves as a Regional Vice President. Prior to his career with the Georgia Department of Corrections, Dennis Johnson served with the United States Air Force as a Security Police Officer, where he held a security clearance for handling sensitive national assets as well as nuclear weapons. In addition to his long and successful career in security, he has ten years’ experience with private security providing protection of high value physical assets.

Currently serving in the capacity of Regional Vice President, Mr. Johnson brings with him a Bachelor’s Degree in Criminal Justice from Louisiana State University and has attended Command College at Columbus State University. He is a certified instructor in CPI, tactical handcuffing, collapsible baton and OC pepper spray.

Greg Carter

VP of Business Development

Greg has an extensive background in contract security management spanning over 35 years. His current role at Dynamic Security focuses on leading our sales and marketing strategies with a clear vision for growth and customer satisfaction. His expertise in account management and analytical skills have been honed through direct interactions with a diverse clientele, ensuring our services meet their varied needs. At the heart of Greg’s approach is a steadfast commitment to fostering strong business relationships, where he leverages over three decades of experience to drive sales and deliver comprehensive security services. His collaboration with our team has not only solidified client trust but also contributes significantly to Dynamic Security’s market presence.