Meet Sergio M. Serritella.

Founder and CEO of Vantius

Sergio never met a problem he couldn’t tackle to the ground. Metaphorically, of course. He's widely recognized for his work on wrongful convictions and high-profile criminal and civil cases, as well as providing strategic consulting for corporate executives, celebrities, and professional athletes.

From murder, organized crime, and other complex criminal cases to corporate, personal injury, and civil rights cases, Sergio has worked with both prosecutors and defense attorneys, as well as for civilian and sworn victims’ litigants...and every which way in between.
Because sleep is overrated, he also works with and has lectured at top universities and law schools across the country.

Sergio is a firearms expert, holding state and national credentials as a certified law enforcement firearms instructor. He has served at the pleasure of legislators in both houses of the Illinois General Assembly, advising them on matters of criminal justice and ex-offender re-entry.
As a proud dual-citizen of the United States and Italy, Sergio is also fluent in Italian and Spanish. And he's a sucker for his rescue pit bull, Stella.

Oh look, it’s Frani Udell.


A member of the Illinois Bar since 1985, Frani joined the firm in 2009 and has been indispensable ever since.

A force to be reckoned with, her early experience in investigations include being a part of the Homicide Task Force with noted attorney Andrea Lyon, and she went on to concentrate her private legal practice in criminal law.

Frani has represented clients throughout Cook County and its surrounding areas, and she currently leads Vantius’ pretrial investigations with a concentration on criminal cases and an intolerance for bullsh*t.