Immediately

 Gather details (physical description, circumstances etc.)— Keeping a record

 Report to the police— Reporting a missing person

 Create poster and distribute— Posters

 Contact Australian Missing Persons Register— Facebook and Instagram (Meta)

 Spread the word (door knock, email etc.)— Volunteers

First week

 Create a Facebook and Instagram page— Facebook and Instagram (Meta)

 Create an X account— X (formerly Twitter)

 Store information centrally (e.g. Dropbox)— Media attention

 Send a media release— Media attention

 Contact relevant people and organisations— Managing their affairs

First month

 Arrange the missing person's bills— Managing their affairs

 Consider hiring a billboard— Billboards & bumper stickers

 Create and distribute bumper stickers— Billboards & bumper stickers

 Request or organise a ground search— Ground searches

 Have them added to the AFP missing persons register— Reporting a missing person

 Consider a hotline phone— Hotline phone

Long term

 Write a blog piece— Longer term ideas

 Events and fundraisers— Longer term ideas

 Contact a Family Tracing Service— Longer term ideas

 Request an inquest— Longer term ideas

 Announce a reward for information— Longer term ideas

 Have an age-progression made— Longer term ideas