Pearson trained as a
nurse and worked as a Clinical Acute Adult Psychiatric Nurse Specialist and as the Team Leader of the Newcastle Community Mental Health Service in . Pearson then transitioned to working full-time in animal advocacy, activism and campaign work; exposing cruelty in factory farming and recently, lobbying against the kangaroo meat trade. In his position as the executive director of Animal Liberation in Australia his main focus was on farm animals, particularly
factory farming. 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. ==Political career==