Ferrari of San Francisco, 595 Redwood Highway, Mill Valley, 94941, CA, US
Opening hours
mon - fri 09:00 AM - 06:00 PM
sat 10:00 AM - 05:00 PM
sun Closed
(415) 380-9700

MEET THE TEAM

Our dedicated team of Ferrari
specialists

Sales & Marketing

George Jr Grinzewitsch

Owner

George Jr Grinzewitsch
George Grinzewitsch Jr. has been a Dealer since 1987. Served on a major brand Advisory Board for six terms, most recently 2020 to 2022. George II was the youngest Dealer Board Chairman at 40 and served two consecutive terms as Chairman. Recipient of the Best Award winner multiple times at each dealership he managed for over 20 years. Dealer Principal and owner of 3 dealerships in the Greater Sacramento area; selling over 4,500 new and pre-owned vehicles in 2022. Maintained sales efficiency rankings

George III Grinzewitsch

General Manager

George III Grinzewitsch
George III has 15 years of experience in the retail automotive business. At sixteen, he started as a service porter. From there he went on to work many of the common jobs that exist at a retail automotive dealership. George went to work for a car dealership as a delivery specialist and was recognized as sales assistant of the month. After returning home, he implemented valuable processes he picked up during his time. 

James Chou

Sales Manager

James Chou
James joined the Ferrari of San Francisco team in October 2010. His experience in the industry has quickly translated to the highest level of client care and satisfaction. Selling cars started off as a summer job while attending Johns Hopkins University, however his love of automobiles and daily interaction with wonderful people enticed him away to focus on this passion for over twenty years in the automotive industry.

Brian Lonchar

Sales Manager

Brian Lonchar

Rudy Castillo

Sales Manager

Rudy Castillo

Jeff Harley

Sales Executive

Jeff Harley
Jeff grew up in Philadelphia and moved to the San Francisco Bay area in 2004. As an exotic automotive enthusiast, Jeff’s product knowledge is extensive and with considerable depth. Jeff’s interests go far beyond the fine leather interiors and matching the perfect paint color; his in-depth approach focuses on the minutiae when assisting clients configure their dream Ferrari. As the dealership’s Experience Manager, Jeff is intimately familiar with not only the cars, but the whole customer experience.

Lee Perkins

Sales Executive

Lee Perkins
Lee’s background blends with his outlook and appreciation of extraordinary cars, which lead him to personally own a Ferrari in the 1980’s. He gained a great deal of appreciation for all exotic cars, buying and selling for his own personal enjoyment. After a distinguished career as an on-air radio personality in Northern California, Lee came to realize the heartbeat of every Ferrari reminds him of the drummer and guitarist in a recording session; the sound of a Ferrari is music to his ears!

Derek Upright

Sales Executive

Derek Upright

James Reemts

Sales Executive

James Reemts

Emmanuel Turin

Marketing Manager

Emmanuel Turin
Emmanuel came to San Francisco via Paris, France to live the California dream. With Emmanuel’s background in travel, business, and marketing, he quickly showed his adept skillset at the highest level of event planning and marketing. When he is not overseeing the Ferrari of San Francisco Challenge race team, Emmanuel is busy creating unique and memorable events for our clientele; whether it be a multi-day rally to a national monument, a bespoke dinner with a top tier chef and vintner, or heading up a cutting

Geoffrey Taylor

Experience Manager

Geoffrey Taylor

Jenna Wreden

Receptionist

Jenna Wreden

Service & Warranty

Scott Baylis

Service Manager

Scott Baylis
With over two decades of premium brand support and leadership in technical operations, Scott’s expertise ensures unparalleled service excellence. His proven track record includes managing large teams, developing advanced processes, and representing the U.S. in global technical competitions, earning a gold medal for the world’s best service team. Scott’s passion lies in delivering meticulous craftsmanship and exceptional customer experiences.

William Edmonds

Service Advisor

William Edmonds

Service Technicians

Sean Monahan

Master Technician

Sean Monahan

Jose Cervantes

Master Technician

Jose Cervantes

Mario Martinez Bustos

Technician

Mario Martinez Bustos

John Brubaker

Technician

John Brubaker

Saul Garibay

Technician

Saul Garibay

Kevin Foley

Technician

Kevin Foley

Office

Fernanda De Moura

Back Office Person

Fernanda De Moura

Parts

Zachary Morgensen

Spare Parts Manager

Zachary Morgensen
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