| Designation | Honorary Treasurer-General |
| Country | Indonesia |
Ms Lydwina Marchiela Wardhani (Nonon) commenced her working career in engineering & management consultancy services with Mott Macdonald International Ltd in 1999.
She is currently the Infrastructure Director of PT Jababeka Tbk. She joined the Indonesian Road Development Association (IRDA) in 2003 as Vice-Chairman of the International Relations section.
She was appointed a Co-opted Member of the REAAA Governing Council in 2014. She is the Chair of the REAAA Sub-Committee on Enhance Revenue and a member of the IRDA Committee for International Relations.