William "Bill" Treas is a partner with the firm and is a founding member of Nielsen & Treas, LLC. Mr. Treas is the managing partner and head of the litigation department. He has extensive litigation experience in insurance defense, catastrophe litigation, commercial property and insurance coverage. In addition, Mr. Treas has been involved in mass joinder cases, False Claims Act suits, and Section 1983 claims. He has represented numerous insurance companies participating in the National Flood Insurance Program across the country for over 20 years. In addition, Mr. Treas has represented insurance companies in catastrophe claims dating back to Tropical Storm Allison in 2001 to present claims resulting from Hurricanes Laura, Delta, and Ida.
Mr. Treas is active in his community and donates his time and efforts to local organizations including Cub Scouts, Boy Scouts, the Knights of Columbus, and coaching youth basketball. He is also a classic car enthusiast and enjoys hiking, camping, backpacking, and tailgating at LSU football games.
Mr. Treas is admitted to practice in several courts including: the U.S. Supreme Court, U.S. Court of Appeals for the First Circuit, the Fourth Circuit, the Fifth Circuit, the Sixth Circuit, the Eighth Circuit, the Ninth Circuit, the Eleventh Circuit, U.S. District Courts for the Eastern, Middle, and Western Districts of Louisiana, U.S. District Court for the Northern District of Florida, U.S. District Courts for the Eastern and Southern Districts of Texas, the District of Colorado, the Eastern District of Wisconsin, and the Louisiana State Courts. Mr. Treas has served on the Board of Directors for the National Flood Association since 2019 and is currently the immediate past-President.
Mr. Treas has been selected by his peers to be included in Louisiana SuperLawyers for 2020, 2021, 2022, and 2023.