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The Porsche Walnut Creek Team

Our Porsche Team

Let us introduce you to our staff, show you some of our special vehicle offers and take you through our complete line of new, Certified pre-owned and used inventory. 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 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!

Mike  Soria

Mike Soria | General Manager

Michael Soria has been with Michael Stead Porsche since 2002. He grew up in the Bay Area and attended UC Berkeley Class of 97. Michael has a passion for Porsche cars which has led to a partnership with Diablo PCA track events. He would personally like you to come join our family here at Michael Stead Porsche and experience the best service in the industry.


Chris  Bartz

Chris Bartz | General Sales Manager

Chris has over 15 years of experience in the automotive industry, and has been with Michael Stead's Porsche Walnut Creek since 2006.  He is a Porsche enthusiast and his passion for the brand has made him exceptionally knowledgeable about Porsche products.  Chris is dedicated to ensuring that Michael Stead's Porsche Walnut Creek clientel receives the utmost excellence of customer care.  

Phone: 925.280.4900 • Email:

Doug  St. Clair

Doug St. Clair | Service Manager

Doug has been in the automotive industry for over 25 years with a background as a master technician.  For 8 years, he served as 
a project manager overseeing the production of a Rolex GT Series 997 engine, and a Daytona prototype for Grand Am.  Doug is committed to providing customer care excellence for Michael Stead's Porsche Walnut Creek clientel.   

Phone: 925.280.4900 • Email:

Christine Mercurio

Christine Mercurio | Preowned Vehicles Manager

Phone: 925.280.4900 • Email:

Mike  Pardini

Mike Pardini | Internet Sales Director

Mike has been with Porsche Walnut Creek for 14 years. In that time, he has sold over 3000 Porsche vehicles and prides himself on retaining clients and receiving constant referrals.  Mike is currently one of Porsche's top sales associates, and was recently recognized as Porsche's "Top 100 Sales Professionals." He would be happy to assist you in finding a new or used Porsche that fits your exact specifications, or purchasing an extended warranty on your current vehicle.

Phone: 925.330.3475 • Email:

Phil  Horta

Phil Horta | Sales & Lease Consultant

I have been with Michael Stead's Porsche Walnut Creek for 10 years. I am passionate about Porsche cars and enjoy fulfilling people's wish to own such a magnificent automobile. Porsche is the only Auto manufacturer I have worked for. I have traveled the world to see the factories and test new product. I have owned several Porsche's and plan to continue always having one in the garage. Currently I am a Certified Global Brand Ambassador for Porsche and hope to continue a lengthy career with the Porsche brand. 

Phone: 925.286.6073 • Email:

Perry  Eyges

Perry Eyges | Sales & Lease Consultant

13+ years selling Porsche cars. P.C.A driving event instructor, Michael Stead track day coordinator and a multiple Porsche owner. I drive what I sell and love what I do! Every car Porsche builds is all about the drive and the quality. At Michael Stead Porsche we believe in a one on one experience through the test drive, sale and beyond. 


Come join our family!

Phone: 510.502.0172 • Email:

Andrew  Hwang

Andrew Hwang | Sales & Lease Consultant

Andrew was born and raised in the Bay Area.  Since childhood, Andrew has had a passion for everything automotive, especially Porsche vehicles.  He has been with Michael Stead Porsche Walnut Creek since June of 2008 and has played many roles - from washing cars, to writing service, and helping out the parts department.  Andrew has completed numerous trainings, visited both Porsche Experience Centers in Atlanta and Los Angeles and is currently one of our most knowledgeable Certified Brand Ambassadors.

Phone: 925.389.6484 • Email:

Paul  Robles

Paul Robles | Sales & Lease Consultant

Paul has been commited to the Porsche brand since 1994. He has excelled in many aspects of the business and has sold over 2600+ units to date. 

Phone: 510.282.7362 • Email:

Franklin  Chang

Franklin Chang | Sales & Leasing Consultant

Phone: 925.963.5381 • Email:

Jim Guitteau

Jim Guitteau | Sales & Leasing Consultant

Phone: 510.708.7868 • Email:

Melissa  Jones

Melissa Jones | Service Advisor

Melissa has worked with Michael Stead Porsche Walnut Creek since 2007.  She is a Porsche enthusiast and is committed to excellence.  She is dedicated to delivering complete customer satisfaction.    

Phone: 925.280.4900 Ext. 302 • Email:

Jon  Kim

Jon Kim | Service Advisor

I have been in the car industry for 9 years and Michael Stead Porsche is by the far the greatest dealership I've ever worked for.  I'm proud to work under the Porsche flag!

Phone: 925.280.4900 • Email:

Mark Somer

Mark Somer | Service Advisor

Mark has over a decade of experience in the automotive service industry.  He is an avid race car enthusiast and is very proud to be a part of Porsche Walnut Creek's service excellence.  

Phone: 925.280.4900 • Email: