[3] Prior to his election, Pearson served as the Executive Director, Animal Liberation based in Sydney.

Pearson was involved in advocating for the abolition of mulesing in sheep and convincing the Russian Federation to ban imports of kangaroo meat by exposing cruelty and hygiene problems.

[6] The bill sought to protect farm animals from cruelty and included a call for mandatory surveillance cameras in all intensive livestock facilities and abattoirs.

The bill also called for mandatory installation of effective alarms and sprinkler systems to protect pigs, chickens and other confined farm animals vulnerable to fire and ventilation breakdowns.

[10] While the Animal Justice Party ran candidates in the 2023 NSW State election, Pearson did not recontest his position.