He graduated from Santa Clara University Law School in 1974. After five years as a criminal prosecutor, he went into private practice. Berardinelli participates in legal organizations including the New Mexico Trial Layers Association, the American Academy of Trial Advocacy, and the American Association of Justice. And editor of the New Mexico Trial Lawyer, and a lecturer to legal audiences, he also publishes a regular column on insurance bad faith. He is the attorney who sued Allstate and uncovered the infamous McKinsey Slides. From this experience, Berardinelli authored From Good Hands to Boxing Gloves: How Allstate Changed Casualty Insurance in America.