Mark A. Grilliot

Mark A. Grilliot is an associate attorney at Boggs, Avellino, Lach, & Boggs. He graduated from Southwestern Law School, where he volunteered at the Small Claims Clinic and the Mass Incarceration Awareness Law Society. He received the CALI award for the highest grade in Sales and Witkin for one of the top grades in Constitutional Law II. As an ABA Certified Law Clerk, Mark externed at the Los Angeles District Attorney’s office, Central Trials 11 Division, obtaining invaluable experience conducting a bench trial, arguing motions, performing preliminary hearings, and drafting pleadings. As an attorney, Mark handles all aspects of commercial litigation where he represents insurance companies and business entities in civil litigation and advises employers on contract and corporate matters.


Witkin Award for Academic Excellence Jan 2021

Earned one of the top grades in Constitutional Law II

CALI Excellence for the Future Award Sep 2020

Earned the highest grade in Sales


Southwestern Law School - J.D.

Indiana University - B.S. in Music and Business


Missouri, 73731

US District Court for Eastern & Western District of Missouri

Practice Areas:

Civil & Commercial Litigation

Business Law


General Insurance Defense



StL County Bar


Girls On The Run - promotes girl empowerment by teaching life skills through lessons and running