Click on one of the people below to find out more information.
Bosses
- Jack TerHar
- Owner
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- jterhar@sthmotors.com
- 303.469.1801 x.6514
- Jack joined his dad's dealership in 1970 and was quickly shown to be a natural in the automotive business. His success at building a wonderful family and business stems from an innate ability to make friends and positively influence those around him. His close relationship with the manufacturers has led him to having a unique perspective on the automotive industry. On his down time, he is an avid golfer and loves to travel. More than anything, he is proud of what Sill-TerHar has become, and values that his entire family is involved in its continued growth. He is pictured here with his wife Penny.Favorite Car:2003 Ford GT
- Greg Larson
- Executive Vice President
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- glarson@sthmotors.com
- 303.469.1801 x.129
Greg's a Broomfielder through and through. He joined the staff in 2002 as a manager and has become known for his gruff exterior, however most of us know that if you don't let it phase you, you ca get to his, nougaty center. As any well-versed leader, he commands respect and returns affection. He's a lot like Batman in that way. He loves the outdoors and his fifth wheel that takes "camping."
Those who get your car ready for repairs
- Sean Thomas
- Service Manager
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- sthomas@sthmotors.com
Sean said I can simply do my PT thing. This brings me such joy. I mean, I do it anyway, but to have permission is thrilling! First, some things about Sean. He went to motorcycle mechanic school. I've talked to him about cars and engines extensively, and I don't think he remembers a thing they taught him. Fortunately his job is liaising between customers and mechanics, so no one cares if he can fix loose rear rod bearings on a 1965 Harley Panhandle. (yeah, I googled that, no idea what it means). Sean loves sports, particularly baseball, which I can attest to firsthand as I was on the fall league softball team with him and his passion runs DEEP. There's only one guy who threw his bat further than Sean every time he flied out to left. I also learned new vocabulary words that I'm not allowed to say ever again according to my wife. I thought they were British, but they're just very naughty (and apparently not anatomically correct). He loves to be outdoors as much as possible. Although I think that may be an overstatement as he grumbles and grumps every time he needs to walk between buildings when it's 20 degrees and snowing sideways. So maybe he enjoys being in certain outdoor situations when the weather is suitable. Finally Sean loves to golf! Every time a new course opens locally, Sean gets very excited. He's rapidly running out of places that he's allowed to golf, because of the passionate thing, and all those amazing words... I didn't even know celery could BE a bad word.
- Martin Richardson
- Mazda Service Advisor
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- mrichardson@sthmotors.com
Martin started selling cars here in 2017. His love of his Alabama heritage shows through, not only in his faint accent, but also in the Roll Tide bumper stickers on his car. Martin says he has a thick exterior, but really we all know he has a heart of gold and a great sense of humor. I think he's trying to lose weight as well, so that thick exterior isn't quite as thick. He doesn't need it in my eyes, but good for him. When he's not helping people get their cars into tiptop condition, Martin enjoys not working. He also enjoys golfing, which seems to explicitly counter the joy of not working, but I suppose he doesn't dig ditches on his off time, so golf is less work than that.
- Jordan Winner
- Mazda Service Department
- jwinter@sthmotors.com
Jordan re-joined our crew in late 2023 after taking an extended break to experience the most amazing thing any human can do. Skydiving. She also gave birth during that period, but big whoop, lots of people give birth. My wife gave birth. 3 times. You don't see her getting an award. Skydivers on the other hand, I bet they get a lot of awards, for like, falling the fastest, or... landing. She also told me that she likes to read. I didn't get much in the way of details on what she reads, but I'm sure reading helps her in many different facets of life, like driving. Being able to read STOP is very helpful. Or perhaps she reads classic tales of the great Samurai of Japan in their original language. I told you, she wasn't specific. Finally, she likes to hang out with her friends. I have got to start demanding more specifics, I literally wrote down "friends". What do they do? I don't know. She did say that Austin, our Volvo salesman, is her bestie, so I can pass that along! All in all, I think Jordan is pretty good at making friends. She's a bit quiet, and if you think she's looking down her nose at you, it's because her glasses have a tendency to slide down her nose and she's trying to keep them up. It's not personal.
- Steve Gates
- Mazda Parts Manager
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- sgates@sthmotors.com
- 303.469.1801 x.772
Steve started in 2013 as our Mazda-parts guy, and sits in a small blue room with a window that is reminiscent of a drive-through. I keep hoping that he'll put on a turban and do an impression of Zoltan from the movie Big, I think he could pull it off in his little blue room. When he's not telling fortunes, Steve enjoys woodworking, building all sorts of great things out of wood like this table, these eating implements, or this chair.
The folks that sell the Mazdas
- Ashley Patrick
- Salesperson
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- apatrick@sthmotors.com
- Ashley Green started with the dealership in early 2026. She has a wild past that I get to tell you about! Like so many other Coloradoans Ashley came here from California, but while she was there she tried to be a little bitty actress and was almost chosen for the role of Lucy Diamond Dawson in the movie I Am Sam! Dakota Fanning got the role though. Not that it's probably that fancy a role. I haven't seen the movie, but it's not called I Am Lucy, it's called I Am Sam, so it's probably more about Sean Penn than anyone else. If Ashley had gotten the role, maybe she'd be in love with Jack Black the way Dakota and Elle Fanning are.In other facts, Ashley can pretend she's drunk by exhibiting her voluntary nystagmus, which has to make her a real hoot when she gets pulled over. She can ride a horse bareback, so when Hollywood comes calling for a remake of Black Beauty, she's got a leg up on Dakota Fanning I'd bet. She's driven her 2012 Subaru WRX STI for a quarter mile as fast as possible, which is less than 14 seconds. That doesn't feel terribly fast to me, but given that she's bragging about it, it must be pretty good. Ashley has an obsession with the Titanic, which means that her evening involves getting home and spending 4 and a half hours watching Jack and Rose having a torrid love affair before Rose pushes him off the piece of wood and watches him sink to the bottom of the ocean because she's too callous to actually try to save the so called love of her life. Also, Han Solo fired first, but I'm ok with it. Finally, Ashley has been to 5 countries, Australia was her favorite, and the Netherlands was a close second. However, she was less fond of her trip to southern Libya, mostly because it's just sand, and said that her visit to Fiji was, "Meh". I think she's nuts, Fiji sounds lovely. I assume that her last country was the US, but she didn't really say.
- Elijah Dixon
- Mazda Sales
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- edixon@sthmotors.com
Elijah joined us in 2025 down in Mazda. His arms joined us the same day. They're literally the size of a small person. They have their own payroll user id. If you look at his picture closely, you may notice that there is a person standing behind Elijah. You can see his ear (click here to see it). That person is 6' 200 lbs. But that's enough of that.
When he hit me with his facts I was truly impressed at how vague he was. He said,
"1. My faith". I'm going assume that this is his faith in the all loving power of the unicorns that run through the Irish hills. Many people don't believe in them, but those with faith know that those unicorns will rule the world some day.
"2 My style". Clothes I guess? He must wear fancy clothes that look nice on him? I've only really seen a couple of his outfits, but in my memory he looked... good. That sets him apart from those of us who don't look... good. Enough about me, on to number
"3. My hobbies (cars,shoes,sports etc.)" That's in quotes, "cars,shoes,sports etc." What cars you may ask? I don't know. What shoes then?? I still don't know. What sports does he play as a hobby, clearly you must know that!? Yeah... Nope, he gave me nothing.
"4. I make music". As I understand it, he's plays a mean recorder and has a chart topping hit with his metal EDM recorder song,
"cars,shoes,sports etc". I wish I could describe it to you, and I know there's music for everyone, but the closest I can come is if you imagine all the worst noises you've ever heard and bundle them into a ball. It's that.
"5. Loving cat dad" He gave birth to a cat and loves it.
If Elijah isn't proof of the idiom "It takes all kinds" Then no one is.
I recently discovered that Elijah enjoys absolutely humiliating a cup of tea by leaving the tea bag in it for potentially hours, then if it's cooled off, he microwaves it. Like in a MICROWAVE. I apologize to all of our British friends on behalf of Elijah.
- Balazs Garami
- Mazda Sales
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- bgarami@sthmotors.com
- Kyle Krueger
- Mazda Sales
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- kkrueger@sthmotors.com
- Kyle Krueger (no relation to the more well known Justin Kruger who discovered the Dunning-Kruger effect, a tendency for people who aren't skilled in a specific field to overestimate their competence in that area. Kind of like how I'm pretty sure my karate high kick makes me look like Bruce Lee when it's actually closer to a 2-year old performing the same action.) joined the dealership in 2025. He often talks about his beloved grandpa Freddy as though I'm supposed to know who he is, but I've never heard of the guy. It's a little embarrassing.Beyond that, Kyle wanted me to know that he's a giant slacker. Like, super low motivation. Also, apparently, when he's not talking to me he says things like "bruh" and "rad" or whatever the slacker kids say these days. While he's being a slacker he enjoys producing music and actually went to college for audio engineering. I double checked, it doesn't say anything about graduating college, so I'm assuming that fits the slacker persona. He also loves to snowboard, which is a big favorite of slackers. He's a craftsman who loves to do carpentry and has been working to build a chest of drawers out of log for 4 years. So far, he can't find a log, but that's cool, because "bruh, whatever". He was also the GM of a place called Starbuds Dispensary. They dispensed starbuds there, which is where the true slacker lifestyle kicks in.Kyle's a happy fella who was born and raised in Colorado and graduated Broomfield High School, and that's the Kyle I've talked to. He loves to make people smile! Which is why the whole dispensary thing makes sense. And even though he really pounded home the slacker thing, I haven't seen it, and I don't think his customers have either, so it's a strange persona to hang his hat on.
- Marcus Sandlian
- Mazda Sales
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- msandlian@sthmotors.com
- Gavin Severson
- Mazda Sales
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- gseverson@sthmotors.com
- Gavin has been with us since June of 2024, then he wasn't with us for a bit, now he is again. He sent me a very well formed and lengthy list of facts for me to include in his bio, then asked if I needed more. That's a good indicator of Gavin, eager to please, chatty, and always bringing the facts. Gavin's passion for cars brought him our way and his passion runs so deep he has a gated gear shift patter tattooed on his wrist that he says proves he's an enthusiast. Given that he's young, my guess is that he thought he was getting a tattoo of a molecular structure and it wasn't until he talked to a chemist that he realized he didn't have a caffeine molecule, but rather a gated shifter. That's the day he stopped caring about Celsius and started caring about cars. It would seem he also worked on cars with his family growing up, which is adorable. I can just imagine little 3-year-old Gavin cranking on a loose bushing with a wrench that's almost as tall as he is.Gavin's passionate about photography and videography and runs the "Mazda Simplified" page which breaks down the differences between trims and models through interpretive dance. His comparison between the Mazda CX-50 S Select and Premium trim levels has been called "transformative" by no less than the head of the Denver Automotive Ballet Company. (Author's note: I have no idea where this page may be, I would guess social media, but I don't know which one because he didn't say.)Gavin also did karate for most of his life. Just like me! I won 2 free classes at a drawing from a movie theater when I was probably 9. I hated it and never went back. So he and I have that in common! Because he spent so much time with the empty hand, Gavin enjoys Japanese culture, which is how he ended up selling Mazdas and sporting a tattoo that he believes says Confidence (自信), but according to Google translate says Booger (鼻糞). He's learning Japanese for when he visits, so this mystery will be put to rest before too long.
- Gerik Simcakoski
- Mazda Sales
- gsimcakoski@sthmotors.com
You know sometimes I look at the notes I took for people and I wonder what the heck I was thinking. Gerik's notes say Skiing. Cooking. Italian. Spy. I remember a lot of our conversation, but I'm sure he's not Italian, he said that he was of Russian descent at least 4 times... Which made me think he was probably a spy, otherwise why would he keep pointing it out! That makes way more sense now, although you'd think it would be easier to just write "Russian". And, now I'm pretty confident that Gerik likes to cook Italian food. I vaguely remember him talking about taking classes on how to cook like a true Italian from some New Yorker on YouTube. He said that they didn't teach him anything about food, just how to yell at people who are in the kitchen while gesticulating wildly. (That means waving your hands around) As for the skiing thing, I'm guessing that he just likes to ski. I like to ski also, but this isn't about me is it. I don't get a bio, because I hide in the back office with my head down slowly growing bitter and... Nevermind. Let's talk about the fact that Gerik loves to ski all kinds of terrain, and really loves riding all kinds of lifts. He said that the kind without a lap bar are his favorite because it feels like he's flying like a squirrel.
The people with doors on their offices
- Adam Wilson
- Sales Manager
- awilson@sthmotors.com
- Josh Ottmar
- Mazda Manager
- jottmar@sthmotors.com
- Josh has been with Sill-TerHar since like 2019 or something. I forgot to ask. He's from Minnesota and enjoys crypto, hiking, & golfing. He has 2 cats. He plays video games. That's the boring stuff. He told me that he once played in the Metrodome. At first he didn't specify WHAT he played in the Metrodome, but he was very clear that the Metrodome is a stadium in Minneapolis. It's where the Minnesota Vikings used to play football, but now they play in U.S. Bank Stadium which is way fancier and has one of those much cooler corporate names that never seem to make sense. Josh has never played anything there. But I did find out that he played the flute in the Metrodome. All by himself. It was empty one night and he snuck in and had a grand ol' time running around the field with his little flute.The most exciting moment of his life seems to be the time he caught a muskee. He told me that with such excitement that I assume a muskee must be a very rare Pokemon or something. Apparently not many people catch a muskee. I thought I had heard of it, but then I realized I was thinking of the Tuskegee Airmen. They just sound the same, but they're not. If you're familiar with muskee, then you should reach out to Josh and let him know how proud of him you are.
- Rich Waters
- Mazda Finance Manager
- rwaters@sthmotors.com
Rich is a Harley riding nightmare of a man! But, like, in a loving way. Like, "Boy that Davy Crockett was a real Son of a Gun!" That's the kind of nightmare Rich is. He's been our Harley riding nightmare since 2020. He very much loves his motorcycle and says that his favorite place in the entire world is Sturgeous, South Dakota. When asked if he would retire there, he said no. He wants to retire to a bar on a beach somewhere, which apparently they don't have in South Dakota. Of course, if he goes the island route, it could be hard to ride the motorcycle. He also has a normal SUV. Because apparently on a day like today when the temperature is currently 11° and snowing lightly. (That's minus almost 12 for our Celsius folks). No matter what, it's too much for Rich to handle on his little motorcycle.
Bernini's Got Nothing On Them
- Brendan Sobers
- Bodyshop Manager
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- bsobers@sthmotors.com
- Salina Craft
- Bodyshop Estimator +
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- scraft@sthmotors.com
- Ashley Green
- Bodyshop Receptionist
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- agreen@sthmotors.com
- Justin Land
- Bodyshop Estimator
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- jland@sthmotors.com














