A 27-year-old man remains missing today despite a search of a nature reserve by rescue teams.
Volunteers from Kent Search & Rescue joined a search of Sevenoaks Nature Reserve on Sunday, along with staff from Kent Police and Kent Fire & Rescue.
Mr Berry was last seen on CCTV heading towards the site two weeks ago.
He was reported missing on Easter Sunday and police launched an appeal in a bid to track him down.
His sister Zoe Ades described his disappearance as “very out of character” and said she is desperate to find him.
She said: “Guy keeps in contact with everybody. It is not like him to just disappear anywhere without somebody knowing.
“He had plans that day to meet people. He left without his belongings and went without a coat and his mobile phone was left behind. He had no wallet and no keys.
Mr Berry is white, of medium build, around 5ft, 7in with short light brown hair and blue eyes.
It is believed he may in the Sevenoaks area but also has connections with Croydon.
Kent Search & Rescue manager Angus Turnbull said: “We have continued our search of the Sevenoaks Nature Reserve and surrounding areas today.
"Guy was last seen on CCTV heading towards the Nature Reserve and so we have focused our efforts here.
"We have deployed specialist teams in the water areas as well as search dogs and used both KSAR and KFRS drones to scan a wider area.
"Unfortunately we have not located Guy as this search enters its third week.”