Meet Our Staff
Management
Ahmad Aref
General Manager
Ahmad Aref
General Manager
About
With 20 years of experience in the industry, Ahmad has built a reputation for his unwavering positivity and optimism. He takes immense pride in fostering an environment where those around him are always smiling and content. A staunch advocate for exceptional customer service, Ahmad goes above and beyond to personally address each situation, ensuring the best possible experience for both clients and the dealership. To him, customers are not just guests—they are valued friends.
Jason Byford
Porsche Sales Manager
Jason Byford
Porsche Sales Manager
About
Jason brings over 25 years of automotive retail experience and a deep appreciation for the heritage and performance that define the Porsche brand. As Porsche Sales Manager, Jason is proud to lead a team that is centered on passion, excellence, and client focused service. While Porsche is synonymous with precision engineering and exhilarating performance, Jason believes the true differentiator is the people behind the brand. In his personal time, Jason enjoys being with his family, snowboarding, golfing, and has a growing knack for photography.
Dustin Koplien
Porsche Certified Pre-Owned Sales Manager
Dustin Koplien
Porsche Certified Pre-Owned Sales Manager
About
With over two decades of experience in the luxury automotive industry, Dustin brings a deep passion and expertise to every client interaction. Specializing in both new and pre-owned Porsche vehicles, he is dedicated to delivering an exceptional, personalized purchasing experience. Having driven Porsches on renowned track circuits, winding mountain roads, and even the autobahn, Dustin offers unmatched insight into the brand’s legendary driving dynamics. Whether you’re a first-time buyer or a longtime enthusiast, Dustin is your trusted guide to the Porsche experience.
Marty Reed
Dealer Customer Experience Manager
Marty Reed
Dealer Customer Experience Manager
About
Marty has over 20 years of Realtor experience with a Bachelor’s degree in Business Management. She made the switch to the automotive industry in 2023. Now in her role as Dealer Customer Experience Manager, she is able to deliver her customer service expertise and knowledge to all our Porsche clients. Marty also enjoys travel and event planning as well as attending local events and checking out new restaurants. Fun fact, growing up Marty loved racing her matchbox cars with Porsche being her favorite, of course.
Sales
Michael Souvannavong
Certified Brand Ambassador
Michael Souvannavong
Certified Brand Ambassador
About
Aloha, I’m Michael. A loving husband and seasoned luxury car specialist, I have dedicated the last seven years to the art of automotive sales. My experience as a finance and sales manager has enriched my understanding of vehicles, enabling me to cater to the needs of my esteemed clientele. I am an animal lover, an avid gamer, and a culinary enthusiast who delights in the finer things in life. My fascination with horology and cutting-edge technology complements my appreciation for the tranquil allure of Hawaii, all while savoring a good cup of coffee and practicing the elegant craft of calligraphy.
Alisha Gonzales
Certified Brand Ambassador
Alisha Gonzales
Certified Brand Ambassador
About
Alisha has a strong passion for customer service and the Porsche brand. With her previous experience in the industry Alisha is very excited to help you get behind the wheel of your perfect Porsche.
Julie Kiedrowski
Certified Brand Ambassador
Julie Kiedrowski
Certified Brand Ambassador
About
Julie Kiedrowski is a seasoned professional with over nine years of experience in the automotive industry. After taking a break to travel and spend quality time with her four children, she is thrilled to be back in the business, dedicated to helping people find and fall in love with the Porsche they drive.
Treavor Sellnow
Certified Brand Ambassador
Treavor Sellnow
Certified Brand Ambassador
About
Hello and welcome to Porsche Milwaukee North, my name is Treavor Sellnow. I’m a proud father of one and a devoted husband. My favorite thing to do outside of work is travel, I’m always up for a good adventure! I travel frequently to South Korea to visit my in-laws, but have also had the privilege to explore a handful of other countries and counting — experiences that have shaped my appreciation for culture, connection, and created memorable journeys. I bring those same values of care, integrity, and enthusiasm into every client experience and am truly excited to help you find the Porsche of your dreams! I look forward to making your experience at Porsche Milwaukee North seamless, enjoyable, and memorable.
Spencer Marquardt
Porsche Pro
Spencer Marquardt
Porsche Pro
About
Spencer has been with Umansky Auto Group for just over 9 years while attending college. Upon graduating from UW-Milwaukee, he decided to pursue his passion for the automotive industry by joining our sales team. When it comes to cars, he especially loves German cars and the history behind them. He is hard to miss with his signature bow tie and his passion for providing a great client experience is unparalleled. Spencer also enjoys traveling and attending various car shows when he can.
Service
Steve Hugin
Porsche Service Manager
Steve Hugin
Porsche Service Manager
About
With a strong commitment to excellence, our Service Manager, Steve, leads the team with a focus on quality, efficiency, and trust. Dedicated to upholding the highest standards of Porsche care, he works closely with both technicians and clients to ensure every vehicle receives the attention it deserves and every visit is seamless.
Eric Suski
Porsche Service Advisor
Eric Suski
Porsche Service Advisor
About
Eric takes pride in helping customers care for their Porsche with confidence. Always happy to answer questions, he’s here to ensure you feel supported and valued every step of the way.
Parts
Glynn Mallon
Porsche Parts Manager
Glynn Mallon
Porsche Parts Manager
About
Glynn is all about creating a relationship of trust and loyalty with his clients. He strives to help in any way possible. We are very happy to have Glynn as a member of Porsche Milwaukee North.
Ryan Liebner
Porsche Parts Advisor
Ryan Liebner
Porsche Parts Advisor
About
Ryan truly cares about his clients and their safety. He knows your Porsche as well as you do, sometimes even better. Ryan is a wonderful colleague and superior advisor.