03/26/2014 at 06:00 PM EDT
and Ashley Olsen
's fashion label is joining the search for missing N.Y.C. designer James "Jay" Ott.
The 31-year-old Ott was last seen at his Brooklyn home at about 9:30 p.m. on Saturday, the New York Post
The 6'2" designer, who the Daily News
says suffers from anxiety, never showed up for work at The Dock Group on Monday, police sources tell the newspaper.
Ott previously worked for J. Mendel and the Olsen twins' high-end fashion line The Row, and on Wednesday the siblings' other line, Elizabeth and James, Tweeted
asking people to "please spread the word" about the missing man.
His friends and loved ones have put up posters in subway stations and across the New York City boroughs, and have also set up a Facebook page
– Find Jay Ott – to get information out about the up-and-coming designer.
"Jay's family and friends are extremely concerned and anxious to receive any word regarding Jay's health and safety. His health and safety are our primary concern," reads a message
posted on Wednesday night. "If he is seeking help and confidentiality is a concern, we understand, but we would love to hear that he is safe."
"He was in a good place last time we talked Saturday morning, his college friend Liz Ricketts told the Post
. "It's strange for him to not reach out when he is struggling with something. It's not like him."