Photo of attorney Ambar Maceo-Rossi

Attorney Ambar Maceo-Rossi is a distinguished founding partner of Kelleher Maceo, P.C., proudly serving clients from her Boston, Massachusetts office. With two decades of extensive legal experience, Ms. Maceo-Rossi has earned recognition as a top-tier trial lawyer specializing in criminal defense. She provides exceptional counsel and unwavering support to clients througout Massachusetts who face a diverse range of felony and misdemeanor charges, including DUI/OUI, drug offenses, violent crimes, theft, property crimes, and more.

Before founding Kelleher Maceo, Ms. Maceo-Rossi dedicated her career to advocating for the rights of injured and disabled workers, ensuring they received the workers' compensation benefits they rightfully deserved. Originally from the Dominican Republic, she began her legal journey there, focusing on employment and labor law, civil litigation, white-collar crimes, criminal fraud, and various other legal matters. Her diverse experience has cultivated a reputation for possessing profound legal knowledge and exceptional skills both in and out of the courtroom.

Attorney Maceo-Rossi is licensed to practice in the Dominican Republic and throughout the Commonwealth of Massachusetts, including the United States District Court for the District of Massachusetts. Most recently, she was admitted to practice before the Supreme Court of the United States of America. She has also lectured with MCLE and published chapters related to sentencing and plea negotiations. She serves as a proud board member of the Massachusetts Association of Criminal Defense Lawyers (MACDL).

OUI

Five Defenses to a Massachusetts OUI

Drunk driving charges can threaten to derail your future. Merely being accused of OUI can be enough to damage your reputation, affect your relationships with your loved ones, and impact your employment, but a criminal conviction can do far worse damage. If you’re...

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Can I get an OUI if my BAC is below the legal limit?

Maybe you had one too many at happy hour or a summer get-together. You felt you were sober enough to safely drive home. The police, however, may not agree. Before you know it, you are being arrested for operating under the influence (OUI) even if your blood alcohol...

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What You Need to Know About Breathalyzer Tests in Massachusetts

In Massachusetts, one of the ways the prosecution can prove that a person was “operating under the influence” is if they can prove a Blood Alcohol Content (BAC) over the legal limit. This is called a “per se” violation of OUI laws. This can be proved by a “failed”...

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What Are Criminal Motor Vehicle Offenses in Massachusetts?

All motor vehicle offenses in Massachusetts are considered to be either civil or criminal in nature. A civil offense is less serious and typically requires payment of a monetary fine. A criminal offense is more serious and conviction of many criminal offenses will...

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