Mr. and Mrs. Mark Zeller of Napa are thrilled to announce the engagement of their daughter, Miss Jessica Zeller, to Mr. Brent Koen, son of Craig Koen of Napa, and Janice Dugan of St. Helena. Both Jessica and Brent graduated from Vintage High School. Jessica is a graduate of Sacramento State and is employed at St. Apollinaris as a math teacher. Brent is a graduate of Sonoma State and is a manager at DBI Beverage. The wedding is planned for June 27, 2015, in Napa.