[1][2] He apprenticed with Ron Holland and Jon Bannenberg for nearly seven years beginning in 1987,[3] and founded Jonathan Quinn Barnett Ltd. (JQB Ltd.) in 1995.
The firm provided designs, decor, and project management services for the exterior and interior restoration of the main residence of the 1890s Victorian Rubicon Estate Winery (now Inglenook) in 2003 for Francis Ford Coppola.
[4][12] With a submarine, a tender, a dual helicopter hangar with two helipads, nine decks, and accommodations for 60 crew and staff, it is frequently at sea and only occasionally at its homeport in Antibes, France.
[5] The 122' Qué Sera (2005) was heralded for "one of the finest interiors to come from [Delta Marine,] featuring light airy spaces accentuated with exquisite woods, and a new elegant and contemporary decor by Jonathan Q.
"[13] Northern Marine (Anacortes, Washington) announced plans to launch a 151' Barnett trideck in 2006, built of fiberglass composites shaped by vacuum infusion, and featuring an Old World–style makore satin finish interior.