Hydro Flask, the specialist in high-performance insulated products, has announced that its global general manager, Scott Allan, will retire on March 1. Allan was named president and chief executive of Hydro Flask in 2012 and global general manager in 2016, when Hydro Flask was acquired by Helen of Troy. Larry Witt, president of housewares for Helen of Troy, will be stepping in. Helen of Troy’s portfolio of brands also includes Vicks, Braun and Honeywell.