Meet Our Staff

The Porsche Marin Team

Our Porsche Team, serving San Francisco & Mill Valley

Let us introduce you to our Porsche Marin staff, show you some of our special Porsche offers and take you through our complete line of new, Certified pre-owned and used Porsche vehicles. We can help you find exactly what you are looking for.

We know your time is valuable. We are sure you will find our site a fast and convenient way to research and find a Porsche or other luxury vehicle that’s right for you. If we can be of any assistance while visiting us online, send us an email and we will promptly reply. We look forward to serving you!

Most of our staff has been with Porsche Marin for more than 10 years.

  • Peter Sonnen

    Peter Sonnen

    Dealer Principal

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    Peter Sonnen

    Peter Sonnen

    Dealer Principal

    Mr. Sonnen has over 50 years in the car business and owns multiple dealerships worldwide. A Bay Area resident for over 30 years, Peter is from Germany and takes pride in the fact that over half of our technicians at Sonnen Porsche are also German. Porsche is Peters passion, and he not only owns the dealership, but used to also own his own racing fleet! He is an active member with the Bach Society, and a supporter for the Porsche Club of America.

  • Bill Lamphere

    Bill Lamphere

    General Manager

    415.380.8000
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    Bill Lamphere

    Bill Lamphere

    General Manager

    Bill started selling cars while attending the University of Colorado in 1986. After graduation he decided that the car business was a perfect match for him. In his 30+ years he has worked with Toyota, BMW,Lexus and Porsche. His favorite Porsche is the 911 GT3. In his spare time,Bill enjoys skiing, amateur road racing, golf, and spending time with family and friends.

  • Dan  McNamee

    Dan McNamee

    Service Manager

    (415) 380-8000
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    Dan  McNamee

    Dan McNamee

    Service Manager

  • Tim Mattos

    Tim Mattos

    General Sales Manager

    415.380.8000
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    Tim Mattos

    Tim Mattos

    General Sales Manager

    Tim has been in the car business since 1983. He was born and raised in Marin county and has lived here for over 58 years. Tim likes the outdoors, playing golf, and sports of all kinds. Tim has three young adult kids, parents, brothers, and sisters that all live in the area.

  • Ritsa Shone

    Ritsa Shone

    Finance Manager

    Fax: 415.380.0542
    Phone: 415.381.7810
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    Ritsa Shone

    Ritsa Shone

    Finance Manager

    Ritsa has been in the car industry for the last 17 years. Ritsa was born and raised in San Fransico. Her favorite car is a red Panamera Turbo.  Ritsa enjoys spending time at the beach with her two dogs and enjoying classic California weather.

  • Jonathan  Chan

    Jonathan Chan

    Sales Manager

    (415)999-9094
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    Jonathan  Chan

    Jonathan Chan

    Sales Manager

    Jonathan has been in the car industry for more than 14 years making him an expert in the automotive industry. He has lived in San Francisco for most of his life, so he is no stranger to the Bay Area. His favorite car is a Porsche 911 Carrera 4S because of the heritage that it carries as well as the handling and performance of it.

  • Greg Arteche

    Greg Arteche

    Parts Manager

    415.380.8000
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    Greg Arteche

    Greg Arteche

    Parts Manager

    Greg has 34 years in the car business, 28 of those being with Porsche. Greg loves the 993 turbo because of its design and the fact that it’s the last air-cooled 911.

  • Destiny  Reyes

    Destiny Reyes

    Porsche Administrative Staff

    (415)380-8000
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    Destiny  Reyes

    Destiny Reyes

    Porsche Administrative Staff

    Destiny has been working for Porsche For over 2 Years. Her favorite Porsche is Sally from the movie “Cars” who is a Porsche 911 Carrera. In her free time, you can find Destiny reading and hiking with her dog Gypsy.

  • Kim  Carrillo

    Kim Carrillo

    Porsche Administrative Staff

    (415)380-8000
    More Info
    Kim  Carrillo

    Kim Carrillo

    Porsche Administrative Staff

    Kim has just begun her journey with the Porsche family but has quickly fallen in love with the heritage and everything that Porsche stands for. Her favorite Porsche is a Panamera turbo because of the performance and luxury gives you a fully immersive effect. In her free time, you can find Kim reading and keeping up on the news as well as expanding her culinary pallet by trying different restaurants in San Francisco.

  • Paul Dulberg

    Paul Dulberg

    Porsche Brand Ambassador

    Fax: 415.380.0540
    Phone: 415.380.8000
    Email Me More Info
    Paul Dulberg

    Paul Dulberg

    Porsche Brand Ambassador

    Paul has been selling Porsches for over 12 years now. He is super savvy with all things jazz, tech, and Porsche related.

  • Stephen Poulden

    Stephen Poulden

    Porsche Brand Ambassador

    415.380.8000
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    Stephen Poulden

    Stephen Poulden

    Porsche Brand Ambassador

    Stephen has been in the car business for over 25 years, 12 of them with Porsche. He is a Porsche Brand Ambassador.

  • Michael Gray

    Michael Gray

    Porsche Brand Ambassador

    Fax: 415.380.0540
    Phone: 415.380.8000
    Email Me More Info
    Michael Gray

    Michael Gray

    Porsche Brand Ambassador

    Michael Gray has 25 years in the car business, 10 of those with Porsche. He is a Porsche Brand Ambassador.

  • Brett Payne

    Brett Payne

    Porsche Brand Ambassador

    Direct: (415)381-7818
    Email Me
    Brett Payne

    Brett Payne

    Porsche Brand Ambassador

  • Andrew Proaps

    Andrew Proaps

    Porsche Brand Ambassador


    Phone: 415.381.7817
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    Andrew Proaps

    Andrew Proaps

    Porsche Brand Ambassador

    Andrew has over 15 years of experience in the automotive world and comes from a family deeply rooted in Marin. His favorite Porsche is the 911 Turbo cabriolet in Anthracite.

  • Jeff Gwynn

    Jeff Gwynn

    Porsche Brand Ambassador

    4156069687
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    Jeff Gwynn

    Jeff Gwynn

    Porsche Brand Ambassador

  • Ron de Vogel

    Ron de Vogel

    Porsche Brand Ambassador

    415.336.5622
    Email Me More Info
    Ron de Vogel

    Ron de Vogel

    Porsche Brand Ambassador

    Ron is a Tiburon resident and has been in the car business for more than 30 years. Ron is an avid car racer and motorsports fan. His favorite car is the Cayman GT4.

  • Dixon  Anderson

    Dixon Anderson

    Sales

    (415)730-0088
    Email Me More Info
    Dixon  Anderson

    Dixon Anderson

    Sales

    Dixon Has been in sales since 1984 and has worked with numerous Dealerships along the way making him an expert in all things German vehicles. His Favorite Porsche is a Targa 4 GTS because it’s old school Targa design with new technology and performance. In his free time, you can find Dixon mountain biking and recusing dogs to find them a forever home.

  • Ethan  Sparrow

    Ethan Sparrow

    Porsche Brand Ambassador

    (415)380-7849
    Email Me More Info
    Ethan  Sparrow

    Ethan Sparrow

    Porsche Brand Ambassador

    Ethan has been in the car industry for over  8 years and has been a Porsche brand ambassador for 3 years. His favorite Porsche is a 911 Carrera 4S with winter tires and a snowboard rack, it’s his idea of the perfect family car. In his free time, you can find Ethan outdoors hiking, kayaking, snowboarding or spending time with his family!

  • Shah Fesharaki

    Shah Fesharaki

    Customer Relations

    (916)718-7863
    Email Me More Info
    Shah Fesharaki

    Shah Fesharaki

    Customer Relations

    Shah’s favorite Porsche is a 918 Spyder because of its masterful combination of new technology with the same classic feel of a Porsche. Shah enjoys a verity of things but some of his favorites are Playing tennis, Formula 1 racing and drinking coffee.

  • Tristan Bayless

    Tristan Bayless

    Porsche Certified Brand Ambassador

    Contact directly at: 415.381.7823
    Fax: 415.380.0543
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    Tristan Bayless

    Tristan Bayless

    Porsche Certified Brand Ambassador

    A Jim Russell Certified Racecar Mechanic with his focus in delivering comprehensible repair explanations, Tristan got his start in the automotive world with RUF Automobile GmbH selling ex-works performance parts all over the world. His favorite Porsche is a championship-winning 1968 912 he auto-crosses locally with a close family friend.

  • Gary Wright

    Gary Wright

    Porsche Certified Brand Ambassador

    Fax: 415.380.0540
    Phone: 415.380.8000
    Email Me More Info
    Gary Wright

    Gary Wright

    Porsche Certified Brand Ambassador

    Gary Wright has been with our Sonnen Service team from the start. He has a loyal customer base and it shows in his customer reviews!

  • Patrick Simon

    Patrick Simon

    Porsche Certified Service Consultant

    415.380.8000
    Email Me More Info
    Patrick Simon

    Patrick Simon

    Porsche Certified Service Consultant

    Pat has loved cars, especially the Porsche brand since he can remember. He started working in the automotive industry while attending Dominican University in San Rafael. After graduation, he started working at an independent repair facility where he gained well-rounded experiences writing service, parts logistics, and management. His favorite Porsche is a 1980 930 Turbo. In his spare time, you can find him anywhere near the ocean in the summer, hitting the slopes in Tahoe during the winter, or having a spontaneous fun day in the city.

  • Sanders Delara

    Sanders Delara

    Shop Foreman

    (707)548-6320
    Email Me More Info
    Sanders Delara

    Sanders Delara

    Shop Foreman

    Sanders Has been a Porsche Technician for over 16 years but has loved cars since he could remember. His favorite Porsche is a 997.1 Turbo because of its ability to be incredibly fast while also delivering a comfortable ride. In his free time, you can find Sanders spending quality time with friends and family.

  • Daniel  Bergiocourt

    Daniel Bergiocourt

    Shop Foreman

    (415)380-8000
    More Info
    Daniel  Bergiocourt

    Daniel Bergiocourt

    Shop Foreman

    Daniel has been a Porsche Technician for over 43 Years making him an expert in his craft. His favorite Porsche is a 962 because it’s a magnificent piece of machinery. In his free time, you can find Daniel playing squash, tennis, hiking and riding his motorcycle.

  • Omar Kirby

    Omar Kirby

    Service Technician

    (415)380-8000
    More Info
    Omar Kirby

    Omar Kirby

    Service Technician

    Omar has been a Porsche Technician for over 22 Years. His favorite Porsche is a GT3 Touring because of the incredible 4.0L engine powering it. In his free time, you can find him knocking pins down with his bowling team as well as spending time with his son.

  • Ed  Costa

    Ed Costa

    Service Technician

    (415)380-8000
    More Info
    Ed  Costa

    Ed Costa

    Service Technician

    Ed has been a Porsche Technician for the past 14 years. Ed owns a 2006 Boxster S but his dream car is a 2015 Porsche 991 GTS cab. In his free time, you can find Ed watching the Warriors and the A’s game, Ed also loves to ride his motorcycle on open roads.

  • Cy  Gollnick

    Cy Gollnick

    Service Technician

    (415)380-8000
    More Info
    Cy  Gollnick

    Cy Gollnick

    Service Technician

    Cy has been a Porsche certified technician for over 2 years but has been working on cars his entire life. His favorite car is a Porsche Carrera GT 980 because it’s the best 10 cylinder supercar that still offers a manual transmission. In his free time, you can find Cy working on his Volkswagen GTI and skim boarding in the summer.

  • Katie Mohler

    Katie Mohler

    Service Technician

    (415)380-8000
    More Info
    Katie Mohler

    Katie Mohler

    Service Technician

    Katie has been a Technician for over 2 years and her passion has always been the Porsche brand. In fact, Katie owns a Porsche 928. Her brother and father also share the same amount of love, both owning their owning Porsches making them truly a Porsche family. Katie grew up around race tracks as did both her parents who worked for the SCCA as track officials.

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415-578-9101

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900 Redwood Hwy • Mill Valley, CA 94941

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Today's Hours:

Open Today! Sales: 9am-6pm

Open Today! Service: 8am-4pm

Open Today! Parts: 8am-4pm

Porsche Marin

900 Redwood Hwy Mill Valley, CA

Phone: 415-578-9101

http://maps.google.com/?q=900%20Redwood%20Hwy%2C%20Mill%20Valley%2C%20CA%2094941

Parts

Phone: 415-463-3876

900 Redwood Hwy Mill Valley, CA

Mobile Parts

Phone: 415-895-2543

900 Redwood Hwy Mill Valley, CA

Sales

Phone: 415-878-3785

900 Redwood Hwy Mill Valley, CA

Mobile Sales

Phone: 415-212-6307

900 Redwood Hwy Mill Valley, CA

Service

Phone: 415-949-5279

900 Redwood Hwy Mill Valley, CA

Mobile Service

Phone: 415-301-3374

900 Redwood Hwy Mill Valley, CA
37.9001579 -122.5150814
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Porsche Marin
Porsche Marin
900 Redwood Hwy
Mill Valley, CA, 94941 US
415-578-9101
https://di-uploads-development.dealerinspire.com/porschemarin/uploads/2018/06/PorscheMarinOGImage.png
Porsche Marin 37.9001579, -122.5150814.