Many Greek painters were associated with the island namely: Konstantinos Kontarinis, Stylianos Devaris, Spyridon Maratzos, and Makarios Lefkas.

The painting of John Chrysostom, Criticizing Empress Eudoxia was copied by many painters from the region.

According to the Institute of Neohellenic Research, over sixty of his paintings have survived, five of them were notable portraits.

In 1817, he was hired to paint the church called Entrance of the Virgin in Lefkada.

The leader's consul on the island of Lefkada Marinos Lazaris hired Ventouras to paint his portrait.

On 6 September 1819, the court issued a decision requiring the consul Marinos Lazaris to pay 100 thalers to the painter, Judge Judice di Pace was presiding.

When the job was completed they refused to pay the painter and planned to put him to death.

[7] Ventouras's final works were of the Apostles and Christ on the iconostasis in the church of Agios Minas in Lefkada.

He was buried in a family grave in the church of Panagia ton Xenon in Lefkada.