Greg Hess | Page 2
Internet Sales Director
Mark Christopher Auto Center
2131 E Convention Center Way
Ontario, CA 91764
Love to give Great Experiences and gain raving fans...
Read moreDealership Experience
16 yrs, 5 mos
Industry Experience
18 yrs, 9 mos
464 Reviews
Write a Review464 Reviews of Greg Hess
August 13, 2026
Excellent Service I had my 2025 Silverado 1500 3. 0L Duramax serviced here, and Juan Fletes did an outstanding job as my service advisor. He was professional, knowledgeable, and kept me updated throug 0L Duramax serviced here, and Juan Fletes did an outstanding job as my service advisor. He was professional, knowledgeable, and kept me updated throughout the entire process. Everything was handled smoothly, and I really appreciated the level of communication and customer service. I highly recommend Juan and the service department! More
Other Employees Tagged: Sam Fakhouri, Jason Ho, Jeff Rizzi, Nate Heath, Dino Picanzo, Avo Injian, Juan Fletes, Sam Abdelmesseh, Lloyd Beardsley
August 10, 2026
Genuine care and customer service feels like a lost art these days. However, at Mark Christopher, it is in full effect. They know how to take care of their customers. From the first greeting, to the clear these days. However, at Mark Christopher, it is in full effect. They know how to take care of their customers. From the first greeting, to the clear communication of what is needed and when my car would be complete is such a refreshing act. Nobu and the entire staff at Mark Christopher really make you feel like they are truly there to serve and do it well. This is the only place that I take my car More
Other Employees Tagged: Dino Picanzo, Nobu Damon, Cesar Luna
July 31, 2026
Once again a great experience all around. From Greg to JC, the entire team makes it so easy to continue doing business here. Thank you Mark Christopher team! From Greg to JC, the entire team makes it so easy to continue doing business here. Thank you Mark Christopher team! More
Other Employees Tagged: JC Cavazos
July 26, 2026
From start to finish, the experience at Mark Christopher has always been amazing! Thank you to Alex, Greg, and the rest of the team for making it such a seamless and easy shopping experience. Refreshing to has always been amazing! Thank you to Alex, Greg, and the rest of the team for making it such a seamless and easy shopping experience. Refreshing to work with a dealership that has integrity! More
Other Employees Tagged: Alex Sarabia
July 21, 2026
Mark Christopher Auto Center has very friendly, professional, and knowledgeable staff. Everyone is willing to assist and make sure your experience is top notch. professional, and knowledgeable staff. Everyone is willing to assist and make sure your experience is top notch. More
Other Employees Tagged: Jason Ho, Jeff Rizzi, Nate Heath, Lloyd Beardsley, Frank Vera
July 18, 2026
They did a great job with customer service. They were very attentive and willing to work with me for a gift with a new car for my wife. 10 star service! They were very attentive and willing to work with me for a gift with a new car for my wife. 10 star service! More
Other Employees Tagged: Alex Sarabia, Frank Vera
July 17, 2026
Mark Christopher was very helpful and accommodating in the purchasing my vehicle. Mario Sanchez helped me very much as well as Greg Hess. the purchasing my vehicle. Mario Sanchez helped me very much as well as Greg Hess. More
Other Employees Tagged: Mario Sanchez
July 16, 2026
Everyone I worked with was so friendly and helpful. I would definitely go back there for my next car. I would definitely go back there for my next car. More
Other Employees Tagged: Jason Ho, Mario Sanchez
July 04, 2026
I was looking for a particular vehicle, and I didn’t find an exact match for what I was looking for. So Jose and Greg helped me order the exact one I wanted. Great experience. Cadillac CT5-V an exact match for what I was looking for. So Jose and Greg helped me order the exact one I wanted. Great experience. Cadillac CT5-V More
Other Employees Tagged: Jose Enciso
July 01, 2026
Excellent experience. Armando was attentive even on his day off. Mario was just the best salesperson we could ask for. Greg Hess really helped make the entire process smoo Armando was attentive even on his day off. Mario was just the best salesperson we could ask for. Greg Hess really helped make the entire process smooth without any roadblocks, and even found additional rebates I did not know about! More
Other Employees Tagged: Armando Nuno, Mario Sanchez

