Dannine Avara (née Duncan, born 1964), is a billionaire heir to the Duncan family, through Enterprise Products, an energy pipeline giant which remains under family control.
Dannine Avara was born in 1964 to Barbara and Dan Duncan.
[1] Her father, Dan Duncan, was the co-founder of Enterprise Products.
[3] Due to a temporary repeal of the estate tax law for the year 2010, Duncan became, along with her siblings, the first American billionaires to pay no estate tax since its enactment.
[5] Avara's net worth is estimated to be $6.2 billion as of 2019.