- Spring Hill College (B.S.)
- Loyola University (M.B.A.)
- Loyola University (J.D.)
- Boston University School of Law (L.L.M. in Taxation)
r. Sonnier was born in New Orleans, Louisiana on October 24, 1964. He received a Bachelor of Science degree in Accounting from Spring Hill College in 1986, a Master of Business Administration from Loyola University New Orleans in 1987, a Juris Doctorate from Loyola University New Orleans School of Law in 1993, and an L.L.M. in Taxation from Boston University School of Law in 1994.
Mr. Sonnier is a Certified Public Accountant, a Board Certified Tax Law Specialist, and a Board Certified Estate Planning and Administration Specialist. He has been recognized by Louisiana Super Lawyers® in the area of Estate Planning and Probate.
Mr. Sonnier practices in the areas of business; federal, state, and local taxation; trust and estate planning; and successions.