Meet our Technical Team

From the moment you purchase any equipment from us, our technical team is at your service. This is what makes our company vastly different from any other business in the large-format industry. Whatever technical challenge you face, our team will have the solution.


Frank Sumner


Frank has been fortunate enough to work in this industry since 1976.  He worked on the product development and management team for Sihl, then acquired Sonoma Graphic Products in 2003. While Frank is primarily busy managing the business side of the company, he is also an integral part of the Technical team, particularly in building color profiles (ICC). Frank is passionate about ensuring good color management which is ultimately one of the keys to success in large format printing.

Frank and his wife Irma have three daughters and one grandson with another on the way. He loves to travel, play golf, and hang out with friends and family. Having always been a “lab rat”, he still does a bit of product development in his spare time as well.

(408) 313-7922


Jeff Marasco

General Manager

Jeff has been in the print industry in the San Jose area since 1974. He joined the Sonoma team in 2011 and is an integral part of company, managing operations, customer service and the technical team. While Jeff is skilled on all large-format machines, he’s an expert on the Summa Cutters. When he’s not working, Jeff likes spending time off with family and friends and especially spoiling his six grandchildren. He also enjoys woodworking, gardening, bowling, concerts and dancing. He’s a fan of Bay Area teams: the Raiders, Giants, Sharks and Warriors.

(408) 294-2072 xt 102


Jerry Lee

Service Manager

Jerry is truly the “Wizard of Wide-Format”. He can pretty much fix anything. When customers see Jerry coming through the door, they breathe a sigh of relief, knowing that everything will be OK. Equipped with more than 20+ years of industry experience, he handily tackles any technical issue with expert knowledge, skill and efficiency. Most of all, Jerry is probably one of the nicest and easy going humans you will ever meet. Aside from being a technical genius, he is also a talented photographer.

(408) 294-2072


Dereck Cruz

Territory Sales Rep - Southern Caliifornia

While Dereck’s primary job is in sales for Southern California, he’s also a skilled technician. His background in Print Production, Installation and Service Engineer work ensures he can provide the most practical solutions for his customers. In his spare time, Dereck can be found hiking the trails of SoCal, catching some live music, or recharging his batteries at the beach.

(626) 201-8932


Jonathan Delgado

Service Technician

Jonathan is the Service Technician for the Southern California branch. He comes from a design background and loves being a problem solver. Jonathan enjoys talking in the third person, but not as much as he enjoys live music and spending time outdoors.

(626) 359-0778