Mark Andrew Long is an accomplished Australian business leader with over 30 years of experience in the LPG and energy sectors. Currently, he serves as the Director at Geogas Vanuatu, where he focuses on enhancing safety and operational strategies across the Pacific, achieving record sales.

Long began his career in 1995 as an LPG Terminal Operator at Boral/Origin Energy in Alice Springs, quickly rising to Branch Manager by 2000, where he oversaw safety, sales, and finances. In 2007, he became State Manager for Western Australia, revitalizing a struggling business and managing major accounts. His leadership skills were further demonstrated in 2010 when he took on the role of General Director for Origin Vietnam LLC, where he significantly expanded the business by constructing a large LPG terminal and boosting retail sales to 25,000 tonnes annually.

After a consulting period in 2020, Long transitioned to General Manager for Origin before joining Geogas Vanuatu. He is also actively involved in community organizations such as Rotary and Auscham Vietnam.