The Modern Investigator™

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Meet John A. Martin

Executive Chef turned Security Professional, Firearms Instructor, and Private Investigator.

As founder of Gotham Investigations and creator of The Modern Investigator™, John teaches aspiring investigators how to combine timeless investigative skills with modern technology, artificial intelligence, and real-world field experience.

His mission is simple:

Help investigators become more professional, productive, and profitable.

Use the uploaded photo of John A. Martin as reference to create a realistic, professional founder portrait for The Modern Investigator™. Preserve his real facial features, age, and expression. Dress him in a dark suit and tie. Place him in a modern investigative command center with softly blurred surveillance monitors, research screens, and a clean professional workspace in the background. Use cinematic lighting with navy and gold branding tones, shallow depth of field, and a premium corporate photography style suitable for a high-end website hero or bio section.
A meticulously organized investigator’s desk in photographic realism, featuring a matte black laptop, a thick navy-blue case file binder with color-coded tabs, a slim digital voice recorder, and a neatly stacked legal pad covered in crisp, unused pages. The desk is a dark walnut surface with a subtle sheen, positioned near a large office window. Cool, diffused daylight spills across the workspace, catching on the brushed metal of a minimalist desk lamp and casting soft, professional shadows. In the background, slightly out of focus, are tall bookshelves lined with law books and investigation manuals. Shot at eye level with a shallow depth of field, the composition is clean and modern, conveying calm focus and disciplined professionalism.

My Journey

My career path was anything but traditional.

Before entering the world of investigations, I spent years in hospitality leadership, working as an Executive Chef, Food and Beverage Director, General Manager, and Regional Director of Operations.

Those roles taught me discipline, leadership, problem solving, attention to detail, and the importance of systems—skills that would later become invaluable in investigations.

After transitioning into private security, firearms instruction, and investigative work, I discovered a profession that rewarded observation, persistence, critical thinking, and professionalism.

Today I work as a licensed private investigator, security professional, firearms instructor, and founder of Gotham Investigations. Through The Modern Investigator™, I share the lessons, systems, technology, and strategies that help investigators build successful careers in a rapidly changing profession.

Read My Story

Areas of Expertise

Security & Investigations

• Licensed Private Investigator
• Surveillance Investigator
• Security Professional
• Federal Protective Security Officer
• Founder, Gotham Investigations™

Firearms & Training

• USCCA Certified Instructor
• NRA Certified Instructor
• Range Safety Officer
• Defensive Firearms Instructor
• Security Training Professional

Technology & AI

• AI-Assisted Report Writing
• Investigative Research
• Case Management Systems
• Surveillance Planning
• Productivity Workflows
• Digital Investigation Tools

Leadership Experience

• Executive Chef
• General Manager
• Regional Director of Operations
• Business Owner
• Professional Educator