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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's Porsche Walnut Creek 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's Porsche Walnut Creek 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

As one of the newest members to the Porsche brand, Christine has extensive experience in the customer service industry.  Born in Chicago, Illinois, and raised in the Bay Area, she has always been captivated by the mechanics of the automotive industry and has quickly developed a passion for the Porsche brand - having experienced first hand the stellar performance of almost all Porsche models.  Christine holds a Bachelor's Degree from the University of California, Santa Barbara.  She is committed to ensuring that your Porsche experience holds to the high standards set forth by the brand.  

Phone: 925.280.4900 • Email:

Mike  Pardini

Mike Pardini | Internet Sales Director

Mike has been with Michael Stead's 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

Phil has been with Michael Stead's Porsche Walnut Creek for 10 years. He is passionate about Porsche cars and enjoys fulfilling people's wishes to own such a magnificent automobile. Phil has traveled the world to visit the Porsche factories and test new products.  Phil has owned several Porsches  and plans to continue to always have one in the garage. Phil is currently one of our Certified Global Brand Ambassadors and hope to continue a lengthy career with the Porsche brand. 

Phone: 925.286.6073 • Email:

Perry  Eyges

Perry Eyges | Sales & Lease Consultant

Perry has 15+ years selling Porsche vehicles, and is a true Porsche enthusiast.   He is also a P.C.A driving event instructor, Michael Stead Porsche Walnut Creek track day coordinator and a multiple Porsche owner.  Perry loves to drive what he sells and loves what he does!  Every car Porsche builds is all about the drive and the quality. At Michael Stead's Porsche Walnut Creek, 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

Frank is Porsche Walnut Creek's newest Certified Global Brand Ambassador.  He has over 25 years in the luxury auto industry, from sales to management.  Frank chose to go back to sales because it allows him to pursue my lifelong passion as an orchestra musician in my spare time.

I attribute my success and longevity in the industry to 1. keeping my promise, 2. follow up, & 3. making lifelong friends.

Porsche Walnut Creek's newest Certified Global Brand Ambassador.

Phone: 925.963.5381 • Email:

Jim Guitteau

Jim Guitteau | Sales & Leasing Consultant

Jim is the newest Porsche enthusiast to join our sales team.  Jim has owned multiple Porsche vehicles and is currently the proud owner of a Porsche 911 Carrera.  Apart from his passion for Porsche cars, Jim enjoys playing golf in his spare time.

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

John has been in the car industry for 9 years and Michael Stead's Porsche Walnut Creek is by the far the greatest dealership he has ever worked for.  John is extremely 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: