Ms. Nethery joined the Dallas-based healthcare services company in November 2019 from Humana.
She held several leadership roles throughout her 20-year tenure with the insurer, including as enterprise vice president.
A certified public accountant, Ms. Nethery began her career at what is now PricewaterhouseCoopers in Louisville, Ky.
She was rated a No. 1 investor relations officer by Wall Street analysts over multiple years, according to LinkedIn.