Mather, who will leave her post at Sydney Airport at the same time, has served on ACI Asia-Pacific's Regional Board since September 2011 and was elected president in April 2016 for a term of 2 years.
Changi Airport Group's CEO, Lee Seow Hiang, will step up from first vice president to president for the remainder of Mather's term.
The popular Mather says that she has thoroughly enjoyed her time as president of ACI's biggest region.
“It has been my honour and privilege to serve as president of the ACI Asia-Pacific Region," she enthuses.
"Airports play such an important role in driving our economies and creating jobs, through the growth in tourism and travel, and the significant investment in aviation infrastructure to support that growth and enhance the customer experience.
"I feel enormous pride in our collective achievements, and share your passion for our dynamic industry.
"It’s been a privilege to work collaboratively with you all to further our strategic goals for mutual benefit. I wish to extend my heartfelt thanks to our members for their trust and support over the years.”
ACI Asia-Pacific's regional director, Patti Chau, notes: “On behalf of the Regional Board and ACI, I wish to thank Kerrie for her guidance, wisdom and strategic vision in leading ACI Asia-Pacific.
"We wish her the very best in her future endeavours. Together with the Board, we look forward to working closely with our incoming president, Lee, in developing ACI Asia-Pacific to advance the collective interests of our members."
ACI Asia-Pacific Regional Board is a governing body which determines the overall development strategy of ACI Asia-Pacific region.
The Board is composed of 25 aviation business leaders across the Asia-Pacific region.