Nicholas is EVP at the Thornhill companies.  He has represented the companies on several boards and associations, including director of the Wine Institute and the Santa Barbara County Vintners Association.  

In 2022 Nicholas was recognized by The Wine Enthusiast as their Wine Executive of the Year for their Wine Star Awards.

In 2025 the Millers were recognized by the California Association of Winegrape Growers with their most prestigious honor as Winegrowers of the year.