Marianna Knister Downer
Gordon Arata Montgomery Barnett LLC
Recognized since 2026
New Orleans, Louisiana
Commercial Litigation
Construction Law
Energy Law
Marianna Knister Downer is a civil litigator and trial attorney representing clients in a wide range of industries including energy & environmental, construction, and administrative law. Her practice at Gordon Arata extends to complex litigation, appeals, civil procedure, commercial litigation, and risk management.
Marianna obtained both her Juris Doctor and Graduate Diploma in Comparative Law from the Paul M. Hebert Law Center at Louisiana State University. While at the Law Center, Marianna was a Senior Associate on the Journal of Energy Law and Resources, served for two years on the LSU Student Bar Association, and was a recipient of the John P. Laborde Endowed Scholarship. Marianna graduated from the Manship School of Mass Communication at Louisiana State University in 2012 with her B.A. in Mass Communication with a concentration in Political Communication. Prior to obtaining her law degree, Marianna spent four years in Washington, D.C. working both on and off Capitol Hill with former Senator Mary L. Landrieu.
- E-mail: mknister@gamb.com
- Direct Phone Number: 504-679-9824
- Phone Number: 504-582-1111
- Lawyer Page: https://www.gamb.com/attorney/marianna-s-knister/
- 201 Saint Charles Avenue, 40th Floor
New Orleans, LA 70170-4000
- Louisiana State University, J.D., graduated 2019
- Louisiana, Louisiana State Bar Association, 2019
24 The Best Lawyers in America® awards
4 Best Lawyers: Ones to Watch® in America awards
Visit Website View Firm Profile - Commercial Litigation
- Construction Law
- Energy Law
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