Taupō police are looking for any information and sightings of 50-year-old Michael Yewen.
Yewen was last seen by family in Taupō on February 3 and police and his family hold concerns for his safety.
Taupō police are interested in any sightings of Yewen's black and white E Speed e-bike since February 3.
Anyone with information is asked to contact the police on 105 and reference file number 220228/8304.
Alternately information can be provided anonymously to Crime Stoppers on 0800 555 111.
