He has been vice governor of the Santa Cruz Province under Néstor Kirchner, and a national senator and deputy.

[1] Eduardo Ariel Arnold was born in 1947 in Las Heras, Santa Cruz.

Leading the "Movimiento Renovador Peronista", he allied with Néstor Kirchner in 1991 as vice-governor candidate.

Arnold was selected to work in the 1994 amendment of the Argentine Constitution, and was elected vice governor under Kirchner again in 1995.

Arnold subsequently told the TV program La cornisa that the Kirchner family had a bank vault at their home in Calafate that was unusually large possibly confirming the allegations.