News Release > Tianna Raby named vice president of regulatory affairs for Entergy Mississippi

Tianna Raby named vice president of regulatory affairs for Entergy Mississippi

05/14/2025

JACKSON, Miss. – Entergy Mississippi has named Tianna Raby as vice president of regulatory affairs, effective May 18. In this role, she will lead the company’s regulatory affairs organization, which is a key partner to the Mississippi Public Service Commission. 

“Our success during this time of growth requires all facets of our business to work in lockstep with one another internally, as well as with our external stakeholders. Our relationships with the Mississippi Public Service Commission and staff are key to achieving regulatory outcomes that support our customers’ needs,” said Haley Fisackerly, Entergy Mississippi president and CEO.

“Tianna’s counsel has been vital to many of our successes over recent years, including landing Amazon Web Services, bringing significant value to our customers. Her deep knowledge of the company and the regulatory environment, as well as her stellar leadership, will position us for a seamless transition as we embark on the next chapter of our transformation.” 

In addition to managing relationships with our regulatory authorities, Raby will set the company’s regulatory strategy, including stakeholder engagement for regulatory issues, and lead efforts to manage cases before the Commission to ensure Entergy Mississippi’s rates remain affordable for customers.  

Raby joined Entergy’s legal department in 2014 as senior counsel in the litigation group and later became managing counsel. While in litigation, she managed casualty and commercial litigation matters. Raby later moved to serve as managing counsel in legal regulatory and was promoted to assistant general counsel in 2020. Before joining Entergy, she was a partner in the Jackson office of a civil litigation defense firm where she defended clients in a wide spectrum of claims.

She graduated from Howard University with a bachelor’s degree in human communications and earned her Juris Doctor from Vanderbilt University. Raby is a member of both the Mississippi State Bar and the Louisiana State Bar.

As an active community volunteer, Raby supports the Mississippi Volunteer Lawyer Program and serves on the Advisory Council for the University of Mississippi Medical Center. She is also a member of Zeta Phi Beta Sorority, Inc., Jack and Jill of America, Inc., The Links, Inc., and the Junior League of Jackson. 

Raby succeeds Jeremy Vanderloo, who was appointed vice president of business operations and strategy earlier this year. 

About Entergy Mississippi

Entergy Mississippi, LLC provides electricity to approximately 459,000 customers in 45 counties. Entergy Mississippi is a subsidiary of Entergy Corporation. Entergy produces, transmits and distributes electricity to power life for 3 million customers through our operating companies in Arkansas, Louisiana, Mississippi and Texas. We’re investing for growth and improved reliability and resilience of our energy system while working to keep energy rates affordable for our customers. We’re also investing in cleaner energy generation like modern natural gas, nuclear and renewable energy. A nationally recognized leader in sustainability and corporate citizenship, we deliver more than $100 million in economic benefits each year to the communities we serve through philanthropy, volunteerism and advocacy. Entergy is a Fortune 500 company headquartered in New Orleans, Louisiana, and has approximately 12,000 employees. Learn more at entergymississippi.com and connect with @EntergyMS on social media.