TJ Adenihun
TJ Adenihun at Genesis of Ontario

TJ Adenihun

Finance Manager

Genesis of Ontario

2100 Inland Empire Blvd
Ontario, CA 91764

Contact Me
5.0
50 Reviews

Dealership Experience

1 yr, 7 mos

Industry Experience

30 yrs, 10 mos

Specialties & Trainings

ALL

5.0

50 Reviews

Write a Review

50 Reviews of TJ Adenihun

April 27, 2026

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Employee Rating

Henry was very knowledgeable about car and financing. Willing to work with me to close the deal. Would recommend him to anyone looking to buy a Genesis. More

by eileenbrod
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Recommend Dealer
Yes

Other Employees Tagged: Henry Lee

April 25, 2026

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Henry was very professional and efficient. The entire process of leasing my 4th Genesis G90 since 2017 was seamless. The new showroom in Ontario is immaculate. Well done Genesis. More

by chris@mvpropertiesllc.com
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Recommend Dealer
Yes

Other Employees Tagged: Derek Nguyen, Henry Lee

April 10, 2026

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I just purchased a pre-owned Tesla Y from Simon and Edwin at Genesis of Ontario. I have to say the dealership is absolutely stunning and I was treated like a VIP. Not only did Edwin and Simon make the tran More

by JB
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Recommend Dealer
Yes

March 31, 2026

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Our experience was amazing. ..Simon was very professional and not pushy.....it was such a smooth transition with everything..I just love my new car More

by maureencoccaro88
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Recommend Dealer
Yes

Other Employees Tagged: Simoon Hwang

March 30, 2026

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Efficient,knowledgeable very personable and easy todo business with. This is my 2 nd Genisis after 5 Jaquar’s, all from Rusnak!!!! More

by gmrotnersr
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Recommend Dealer
Yes

Other Employees Tagged: Henry Lee

March 30, 2026

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I called in and Simon picked up. I asked if they can beat a quote I had from another dealership, and he was able to without giving me a hard time about it like other dealerships. He More

by Arth.Kha
Recommend Dealer
Yes

Other Employees Tagged: Simoon Hwang

March 27, 2026

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Simon went above and beyond to make our sales experience fantastic and and explained all the details very well! Great Experience! More

by PAUL.COCCARO
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Recommend Dealer
Yes

Other Employees Tagged: Simoon Hwang

March 21, 2026

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Jimmy & Henry were great to work with. Made the transaction very easy & we’re both very friendly! TJ in finance was also a pleasure to work with & did a great job going through all the pap More

by jlim016
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Recommend Dealer
Yes

March 21, 2026

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Simoon was kind, patient welcoming and made the process easy. I would highly recommend Simoon! More

by djones1447
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Recommend Dealer
Yes

Other Employees Tagged: Simoon Hwang

March 17, 2026

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Employee Rating

Every staff member was professional and friendly. They assisted us with no hesitation and demonstrated multiple vehicles took their time to show us the difference in vehicles and then walk us through More

by Munoz11Jonathan
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Recommend Dealer
Yes

Other Employees Tagged: Bailey Ramos, Joseph Juarez

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