Melissa Arbil

General Manager

With over 13 years proudly serving Walnut Creek Cadillac, Melissa leads with a clear vision: to create a dealership experience that reflects the sophistication and innovation of the Cadillac brand. Her leadership is rooted in integrity, attention to detail, and a deep commitment to customer satisfaction. Under her guidance, the dealership continues to set the standard for luxury automotive retail in the Bay Area—combining personalized service with a modern, client-first approach.

Jon Perry

Sales Manager

Jon has been a valued member of Walnut Creek Cadillac since 2015, bringing a disciplined, client-focused approach to every interaction. A proud United States Marine Corps veteran, Jon served our country from 2004 to 2013. His military background instilled a strong foundation of integrity, accountability, and attention to detail—qualities that define his leadership style today. A multiple-time recipient of the Cadillac Mark of Excellence Award, Jon is committed to delivering a seamless and transparent experience for every client.

Aric Carlson

Finance Manager

Aric Carlson has been a cornerstone of Walnut Creek Cadillac since 2013, consistently delivering an exceptional level of professionalism and client care.

A local graduate of De La Salle High School, Aric brings a strong sense of community and pride to his role, building lasting relationships with clients throughout the Bay Area. From day one, he has been a top-performing member of the team, recognized for both his results and his ability to create a seamless, transparent financing experience.

Aric’s commitment to excellence has earned him recognition from Cadillac for his achievements in sales performance and customer satisfaction, reflecting his dedication to delivering a truly elevated ownership experience.

Martin Frentzel

Service Manager

Martin Frentzel has led the service department at Walnut Creek Cadillac since 2019, bringing a disciplined, detail-oriented approach to every aspect of the client experience.

Originally from Argentina, Martin combines technical expertise with a global perspective and a deep commitment to excellence. In addition to his automotive leadership, he holds a commercial pilot’s license—reflecting a high level of precision, responsibility, and focus that carries into his role each day.

A passionate supporter of Lionel Messi, Martin values performance, consistency, and world-class execution—principles that define both his leadership style and the service experience he delivers to every client.

David Brown

Parts Manager

Dave Brown has led the parts department at Walnut Creek Cadillac since 2012, bringing over a decade of experience, consistency, and attention to detail to his role.

Known for his reliability and deep product knowledge, Dave plays a critical role in ensuring every vehicle is supported by the highest quality genuine Cadillac components, helping maintain the performance and integrity our clients expect.

Beyond the dealership, Dave has been actively involved with organizations dedicated to supporting children in underserved communities. His commitment to giving back reflects the same care and integrity he brings to his work each day.

Justin Medeiros

Internet Sales Specialist/Finance Manager

Justin Medeiros has been a key contributor to Walnut Creek Cadillac for the past four years, demonstrating a strong work ethic and a natural ability to excel across multiple areas of the business.

Beginning his career in the service department, Justin quickly transitioned into sales within six months, where he rapidly distinguished himself through performance, product knowledge, and client care. His dedication has earned him Cadillac Crest Club recognition for the past two consecutive years and Mark of Excellence Award reflecting his commitment to excellence.

A passionate performance enthusiast, Justin has a deep appreciation for Cadillac’s high-performance lineup—particularly the Cadillac CT5-V Blackwing. His enthusiasm and expertise translate into a more engaging, informed, and elevated experience for every client he works with.

Richard Kfoury

Sales & Leasing Consultant

Richard Kfoury brings a sophisticated, global perspective to his role as a Sales and Leasing Consultant at Walnut Creek Cadillac.

Fluent in four languages—French, Arabic, Japanese, and English—Richard offers a uniquely personalized experience for a diverse range of clients throughout the Bay Area. As a longtime resident of the Blackhawk community in Danville for over 35 years, he combines strong local connections with a refined international perspective. His approach is defined by professionalism, attention to detail, discretion, and a deep understanding of the expectations of today’s luxury automotive client.

A recipient of the Cadillac Mark of Excellence Award and a 2024 Cadillac Crest Club honoree, Richard is recognized for both his performance and his commitment to delivering an exceptional client experience. He is dedicated to providing a seamless and personalized journey, ensuring each interaction reflects the excellence and prestige of the Cadillac brand.

Jon Gutierrez

Internet Sales Specialist

Jon Gutierrez brings a disciplined, client-focused approach to his role as an Internet Sales Specialist at Walnut Creek Cadillac.

A proud United States Army veteran, Jon served our country with honor, developing a strong foundation of integrity, accountability, and attention to detail—qualities that continue to shape his work today.

A recipient of the Cadillac Mark of Excellence Award, Jon is recognized for his performance and commitment to delivering an exceptional client experience. Known for his calm and relaxed demeanor, he creates a comfortable and pressure-free environment, ensuring each interaction feels seamless and well guided. As a performance car enthusiast, he brings genuine passion and product knowledge to every conversation, helping clients connect with the excitement and innovation behind the Cadillac lineup.

Derek Walker

Sales & Leasing Consultant

Derek Walker has been a valued member of Walnut Creek Cadillac for over three and a half years, bringing a strong foundation and passion for client care to his role.

Beginning his career in the service department, Derek transitioned into sales within his first year and has spent the past two years excelling as a Sales and Leasing Specialist. His commitment to delivering a seamless and elevated experience has earned him the prestigious Cadillac Mark of Excellence Award, recognizing his performance and dedication to customer satisfaction.

A passionate automotive enthusiast with a particular appreciation for performance vehicles, Derek brings energy and insight to every interaction. Outside of the dealership, he is an avid basketball fan and places a strong emphasis on family—values that shape his genuine, relationship-driven approach with every client.

Anthony Cahill

Sales & Leasing Consultant

Anthony Cahill has been a member of the Walnut Creek Cadillac team for over a year, known for his calm, composed approach and steady professionalism.

With a quiet confidence and thoughtful demeanor, Anthony creates a relaxed and comfortable environment for his clients. His ability to listen, understand, and guide ensures each experience feels personalized, seamless, and well-paced.

Anthony is dedicated to delivering a refined and attentive experience, allowing clients to move forward with clarity and confidence at every step.

Stephen Smith

Sales & Leasing Consultant

Stephen Smith is the newest addition to the Walnut Creek Cadillac team, bringing a fresh perspective and a strong passion for technology and innovation.

As a dedicated tech and product enthusiast, Stephen has a natural ability to understand and communicate the advanced features and cutting-edge design that define today’s Cadillac vehicles. His approach is centered around educating clients and creating a modern, engaging, and seamless experience.

Stephen is committed to delivering thoughtful guidance and ensuring each client feels confident and excited throughout their journey.

David Johns

Service Advisor

David Johns has been a cornerstone of Walnut Creek Cadillac for over 20 years, bringing a wealth of experience and a lifelong connection to the automotive industry.

Having grown up in the business, David offers a deep understanding of both the product and the client experience, allowing him to provide thoughtful guidance and a truly personalized approach.

A five-time Cadillac Mark of Excellence Award recipient and a 2025 Cadillac Crest Club honoree, David is consistently recognized for his performance and unwavering commitment to customer satisfaction. Known for his exceptional service and attention to detail, he delivers a seamless, elevated experience that reflects the Cadillac standard.

Rafael Ruiz

Service Advisor

Rafael Ruiz has been a valued member of the Walnut Creek Cadillac service team since 2021, recognized for his exceptional customer service and genuine care for every client he assists.

His thoughtful approach and attention to detail help create a service experience built on trust, transparency, and confidence. Rafael takes pride in ensuring each client feels supported and well informed throughout every step of their ownership journey.

A true automotive enthusiast, Rafael is also passionate about classic car restoration. In his free time, he enjoys restoring vintage vehicles, with his favorite project being his 1966 Ford Mustang—a reflection of his dedication to craftsmanship and love for the automotive world.

AJ Fowble

Service Advisor

AJ Fowble brings six years of automotive experience to Walnut Creek Cadillac, including the last two years serving as a trusted Service Advisor.

Known for his strong product knowledge and straightforward approach, AJ is committed to creating a seamless and efficient service experience for every client. His focus on clear communication and attention to detail helps ensure clients feel confident and well supported throughout the ownership journey.

A passionate Harley-Davidson enthusiast, AJ has a deep appreciation for performance and craftsmanship. Whether on two wheels or four, he simply enjoys speed, precision, and the thrill of the drive—bringing that same passion and energy into his work every day.

Jack Kicki

Service Advisor

Jack Kicki has been a valued member of the Walnut Creek Cadillac team since 2020, known for his reliability, professionalism, and commitment to client care.

A four-time recipient of the Cadillac Mark of Excellence Award, Jack is consistently recognized for delivering an exceptional service experience and maintaining the highest standards of customer satisfaction.

As a dedicated family man, Jack brings a genuine sense of care and attentiveness to every interaction, ensuring each client feels supported, informed, and confident throughout their service journey.

Scarlett Coyston

Parts Advisor

Scarlett Coyston has been a valued member of Walnut Creek Cadillac since 2017, known for her exceptional customer service and ability to build lasting client relationships.

She brings a thoughtful, detail-oriented approach to every interaction, ensuring each client feels supported, informed, and well cared for throughout their experience.

Beyond the dealership, Scarlett is a talented pop culture artist and passionate food enthusiast. Together with Parts Manager Dave Brown, she co-hosts Down the Hatch, a social media series exploring local dining experiences—reflecting her creativity and connection to the community she proudly serves.

Mike Allphin

Parts Advisor

Mike Allphin has been a valued member of the Walnut Creek Cadillac team since 2017, bringing a strong knowledge base and a passion for automotive excellence to the parts department.

Known for his attention to detail and commitment to supporting both clients and technicians, Mike ensures that every part meets the highest standards of quality and performance.

A true automotive enthusiast, Mike has a deep appreciation for classic vehicles and proudly owns and maintains both a 1968 and 1972 Chevrolet truck. His hands-on experience and passion for the craft are reflected in the care and expertise he brings to his role each day.

Ernesto Ponce

Retail Parts Advisor

Ernesto Ponce has been a valued member of the Walnut Creek Cadillac team since 2022, bringing a strong understanding of the brand and a passion for performance-driven luxury to his role.

As a Cadillac enthusiast, Ernesto has a deep appreciation for the craftsmanship and innovation behind each vehicle—particularly within Cadillac’s high-performance lineup. This insight allows him to provide thoughtful guidance and ensure every client receives the right components to support both performance and design.

His attention to detail and commitment to service help create a seamless and elevated experience for every client he assists.