Ms. Kellett started her career with at Thompson & Knight representing, among others, NYSE clients in commercial bankruptcy and insolvency proceedings and litigation, including representing Southmark Corporation and Amdura Corporation in their Chapter 11 bankruptcies.  In 1994, Ms. Kellett joined The Associates as Vice President and Assistant General Counsel, where she was bankruptcy strategist and litigation manager for consumer-financial-services litigation.  While at the Associates, Ms. Kellett primarily was responsible for consumer class-action litigation involving state and federal lending laws, including bankruptcy laws, in suits filed throughout the country.
Ms. Kellett opened her own law firm in 2000 and formed Armstrong Kellett Bartholow PLLC in 2010. Ms. Kellett and Mr. Bartholow formed Kellett & Bartholow PLLC in 2015.  Ms. Kellett has concentrated her practice in consumer and commercial bankruptcies and consumer and financial-services individual and class-action litigation.  Ms. Kellett has successfully represented numerous plaintiffs in bankruptcy and in other consumer-protection suits against national creditors in multiple venues.
Ms. Kellett has served on local, state, and national bar committees and practice-group associations and writes and speaks frequently on bankruptcy and financial-services issues.