Mary Petley is a pension specialist at the Forces Pension Society, an organisation serving UK Armed Forces personnel and veterans. She writes extensively about Armed Forces pension schemes, including the AFPS 15 and State Pension provisions. Her work focuses on helping service members and veterans understand their pension entitlements, pension growth during service, and how pensions maintain their value post-service. She regularly contributes to military resettlement publications and provides expert guidance on pension-related matters for the Armed Forces community.