Rockett has spent the last 10 years as marketing director of Gonzalez Byass UK, the commercial arm of the Spanish wine company set up in 2004.
Warren Scott, Quintessential Brands director, said: "We are delighted to welcome Jeremy Rockett to Marblehead and the Quintessential Brands Group.
"He brings a wealth of management experience to the Group and his particular expertise working with the prestige on-trade fits perfectly with Marblehead’s plans for growth.”
Rockett replaces Emma Wykes, who has been in managerial positions at Marblehead for six years.