A 30-year-old Casper man has been missing since March 30, according to the Natrona County Sheriff’s Office.

Zachary Douglas Lanka had been living by himself at the Parkway Plaza Hotel & Convention Centre. He had recently relocated to Casper and was reported missing by his estranged wife.

Officials describe Lanka as 6-foot-4, 220 pounds with sandy-colored hair and grayish eyes. He was employed at Automation and Electronics Inc. at the time of his disappearance.

He is believed to be driving a red Jeep Wrangler with the temporary registration number 217862.

There has been no activity on Lanka's cell phone and credit cards. There has been no indication of foul play at this time

Authorities are investigating the disappearance but have not yet conducted an active search, as they do not know of a specific area to search.

Officials ask the public to contact the Natrona County Sheriff’s Office at 235-9282 if they have any information on Lanka’s whereabouts.

Here is a picture of the type of vehicle Lanka is expected to be driving.