Crate and Barrel CEO Doug Diemoz has left the home furnishings retailer.

Doug Diemoz

A spokeswoman for Crate and Barrel, No. 78 in the Internet Retailer 2017 Top 500 Guide, on Friday declined to specify why Diemoz left. He had been at the helm of Crate and Barrel since July 2015, joining the retailer from competitor Restoration Hardware (No. 51), where he was the company’s chief development officer. Diemoz has also worked at Williams-Sonoma Inc. (No. 23) and Gap Inc. (No. 24).

The Chicago Tribune reported Neela Montgomery, who serves on the board of parent company Otto Group, will lead Crate and Barrel in the interim.

In January, Restoration Hardware sued Crate and Barrel and Diemoz in California Superior Court, alleging that Diemoz and Crate and Barrel vice president of hospitality Kimberly Ahlheim, who also is a former Restoration Hardware employee, stole trade secrets from Restoration Hardware.

Crate and Barrel’s online sales were $618.5 million in 2016, up 10.4% from $560 million the previous year, according to Internet Retailer’s Top500Guide.com.