Your Local Indiana Attorneys

Mario Massillamany

Founding Partner and Owner of Massillamany Jeter & Carson LLP.

Central Indiana’s Prominent Criminal Defense Attorney

Attorney Mario Massillamany possesses an unapparelled level of criminal law experience. Mario is experienced with both sides of criminal law from his tenure in the Marion and Hamilton County Prosecutor’s office, to his current role as a criminal defense attorney at Massillamany Jeter & Carson LLP. Mario, also, is familiar with representing county and municipal governments in a wide array of legal and non-legal issues. Mr. Massillamany has tried everything from Murder cases all the way to DUI charges. He has handled thousands of DUI cases all over the state of Indiana and is a known expert with Indiana’s Second Chance law relating to expungement proceedings. Mr. Massillamany can handle any type of criminal matter and would bring his well-versed experience to zealously represent his client in a professional and successful manner. Mr. Massillamany will be able to help guide you through this troubling time in your life and use his high level of success and experience to help set you up in the best possible position.

A Proven Track Record

Mr. Massillamany began his legal career with the Hamilton County Prosecutor’s office where he coordinated and led the Arson Task Force and helped start the Excise/Drug Task Force. After gaining valuable experience with the Hamilton County Prosecutor’s Office, Mr. Massillamany moved to the Marion County’s Prosecutor’s office where he accumulated an astounding conviction rate in excess of 95 percent. Mr. Massillamany also served as General Counsel and Communications Director for the Marion County Prosecutor’s Office.

Call (317) 434-1490 now to schedule your free consultation with a Fishers experienced criminal lawyer at Massillamany Jeter & Carson LLP.

After achieving a high level of success prosecuting criminals in our community, Mr. Massillamany pivoted his legal career to become an Associate Attorney at Starr Austen & Miller LLP, handling complex civil litigation. Mr. Massillamany then transitioned to Barnes & Thornburg LLP as an attorney and during his tenure there he represented clients in front of local, state, and federal government agencies. Just prior to founding Massillamany Jeter & Carson LLP in 2015, Mr. Massillamany served as general counsel to an Indiana company specializing in the collection of delinquent loans for health care, student loan debt, and other financial services. During his time with this company it was named by Inc. Magazine as one of the fastest-growing companies in 2014.

Committed to the Community

Mr. Massillamany is committed to the community he lives in and upholds his commitment by volunteering and fundraising for a variety of local and charitable organizations. Mr. Massillamany is deeply involved with Third Phase, a domestic violence shelter in Hamilton County. He is also a faithful parishioner and active volunteer at St. Louis de Montfort Catholic Church, a zealous member of the Fishers’ Rotary club, and served on the board of directors for Chaucie’s Place – a center dedicated to helping children who are victims of sexual abuse. Mr. Massillamany’s passion for politics is well known and he has successfully managed numerous political campaigns at all levels of government.


Mr. Massillamany earned his Juris Doctor degree from the University of Denver College of Law; while there he was active in campus affairs, including President of the Student Bar Associations, member of the Review Board for Honor Code Violations, and a member of the Transportation Law Review. He was a finalist in the National Dispute Resolution and Mediation Competition. Mr. Massillamany obtained his Bachelor of Arts degree from Wabash College. During his time at Wabash College he was an active member of the Sigma Chi Fraternity, the elected campus treasurer, and was the Student Senate Activities Chairman.

Mr. Massillamany is admitted to practice before all state and federal courts in the state of Indiana. Mr. Massillamany’s pride and joy are his two sons, Jackson and Sullivan, and enjoys coaching their soccer teams in his spare time.

If you are in need of effective legal representation, now is the time to contact Massillamany Jeter & Carson LLP by dialing (317) 434-1490 or contacting us online.

Areas of Expertise:

  • Criminal law:
    • DUI/OWI
    • Driving While Suspended License
    • Assault/Battery
    • Theft/Burglary
    • Rape/Sexual Assault
    • Murder
  • Personal Injury
  • Governmental Services

Major Cases & Clients

  • Indiana State Fair Stage Collapse litigation
  • Class action lawsuit involving health impacts of Imprelis, an herbicide manufactured by DuPont
  • Drafted and advocated for groundbreaking legislation assisting small businesses in Indiana
  • Respected author who has been published in numerous local, state, and national publications

Media Mentions:

Contact Information

[email protected]
Twitter: @massillamany

The Quality of Your Team Matters

  • FREE Consultations

  • Boutique Firm Feel

  • Involved in the Community

  • 50+ Years Combined Experience

  • Personalize, Attentive Representation

  • Team-Oriented Approach

  • Rave Client Reviews

Get About the Business of Your Future

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