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George III Grinzewitsch
George III Grinzewitsch
General Manager
Ferrari of San Francisco
595 Redwood Hwy
Mill Valley, CA 94941
6 Reviews
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 Fletcher Jones Motorcars 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 at FJ Motorcars. After working as a delivery specialist, George became a service advisor and was consistently top of the board in CEP scores. Shortly after, he moved into a sales associate role. George was awarded salesperson of the month twice. While selling cars, he graduated from the NADA Dealer Academy. George then transitioned into a Sales Manager position. He managed with objective data and inspected what was expected from team members. He successfully increased 2020 new car volume by 10%.
Read moreDealership Experience
1 yr, 1 mo
Industry Experience
15 yrs, 4 mos
Specialties & Trainings
Ferrari models, National Automotive Dealer Academy
6 Reviews
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6 Reviews of George III Grinzewitsch
January 25, 2026
Honesty, integrity, service value, selection, style, and performance… not only does this brand have it all but they also have a fellow named Jim R on Nico I’ll be right well, he really provides excellen performance… not only does this brand have it all but they also have a fellow named Jim R on Nico I’ll be right well, he really provides excellent service… my next car for my wife it’s going to be preowned and I’m definitely purchasing it from Jim .. So if you took the time to read this, you should ask for Jim R… He’s a great guy brand new at Ferrari of Marin so give the guy a call you won’t regret the experience Thanks, Jim More
by Nikko2026
Other Employees Tagged: Derek Upright, Rudy Castillo, James Reemts
January 22, 2026
This is the best Ferrari dealership in the world - family owned, truly value their customers and their needs. It is also armed with a world class top notch sales team, and customer success team. They take de owned, truly value their customers and their needs. It is also armed with a world class top notch sales team, and customer success team. They take deep care of their customer and it shows. You will not find a better place for a true Ferrari experience. A+++++!!!! More
by Alfred Chuang
Other Employees Tagged: James Chou, Jeff Harley, Emmanuel Turin, Lee Perkins, Geoffrey Taylor, Derek Upright, Rudy Castillo
October 30, 2025
Outstanding professional service from every aspect! Each point of contact in the organization was meticulous & detail oriented about the Ferrari brand. Could not be happier! Thank you! So proud to be p Each point of contact in the organization was meticulous & detail oriented about the Ferrari brand. Could not be happier! Thank you! So proud to be part of the Ferrari family! More
by Julieteel2010
Other Employees Tagged: Derek Upright, Rudy Castillo
September 29, 2025
Very helpful and professional. I was able to spec the car exactly the way I want it and even save a few $$$ thanks to Derek's help. I was able to spec the car exactly the way I want it and even save a few $$$ thanks to Derek's help. More
by delanuez23
Other Employees Tagged: Derek Upright, Rudy Castillo
August 31, 2025
World class from the moment we step foot into the dealership Derek answered every question Just world class!! dealership Derek answered every question Just world class!! More
by gillyair
Other Employees Tagged: Derek Upright, Rudy Castillo
July 29, 2025
Amazing Ferrari F8 Buying Experience I had an incredible experience purchasing my Ferrari F8 from Ferrari of San Francisco. George, Rudy, and Lee were absolutely amazing to work with—professional incredible experience purchasing my Ferrari F8 from Ferrari of San Francisco. George, Rudy, and Lee were absolutely amazing to work with—professional, knowledgeable, and genuinely helpful every step of the way. They went above and beyond to assist me in any way they could by finding me my dream car. If you’re in the market for a Ferrari, I highly recommend Ferrari of San Francisco. You’ll be in great hands with George, Rudy, and Lee. More
by sandeepgill2011
Other Employees Tagged: Lee Perkins, Rudy Castillo
