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At Xanterra, we are a welcoming community who work hard, share a passion for the environment and enjoy creating memorable experiences for our guests in some of the most beautiful place on earth. Learn more about the dedicated, experienced individuals that make up our leadership team in Yellowstone.


Mike Keller
General Manager

Mike serves as the head honcho here, overseeing the entire operation. He’s both dealing with the day to day operation along with looking ahead to future business plans and organizational goals.

Mike has lived and worked in Yellowstone for over 30 years, starting as a volunteer at Norris Geyser Basin in the summer of 1984. His environmental stewardship is apparent; Mike served as a volunteer for 20 years in the park in thermal cleaning and monitoring and was President of the Geyser Observation and Study Association from 2010 – 2014. Additionally, Mike has worked at various other National Park locations (General Manager for Crater Lake National Park and Grand Canyon National Park). He currently lives in Mammoth Hot Springs with his wife and two children.

Andy Stiles
Director of Operations

Andy first came to Yellowstone after high school graduation with four of his best friends. At that point, he had never been west of Fort Worth, Texas (having grown up in Tyler, Texas). The trip was impressionable, and after college graduation he decided to make the move out to Yellowstone for a summer. He is especially proud of becoming (and being) a dad! Andy studied business in school and brings 20+ years of Hospitality experience to our operation. Additionally he is familiar with other National Parks, having worked at Death Valley and Crater Lake. Andy’s advice, “Whether you’re behind the scenes or in front with guests, every job matters.”

Rick Hoeninghausen
Director of Sales & Marketing

The strategic direction of YNPL’s external marketing efforts fall under Rick Hoeninghausen’s helm. As of late, he has also taken a deep dive into the world of recruitment marketing, working with his team to assist in convincing more people to experience the magic he did in coming to work in the park.

Rick, originally from Syracuse, New York, always loved nature. Upon realizing that he could work at a place considered “the center of the nature universe”, he applied and got a job at the Lake Lodge laundry, which he declares as, “[the] best summer of my life!” Since 1983, he has been in hospitality management (marketing specifically). He loves sports, blues rock, classic rock, and folk rock music. He also recognizes one of his biggest accomplishments as co-raising two amazing daughters. Career-wise, he is especially proud of the team effort that created the development of the successful Lodging & Learning programs in partnership with the nonprofit Yellowstone Forever.

Bill Thomas
Director of Human Resources

About 3,000 employees come to Yellowstone to work at the height of the summer season. 700 of those staff have come from other countries around the world.  Recruitment, hiring, onboarding, retention, employee relations, benefits – all fall under Bill Thomas’s wheel house.

Bill brings over 30 years of hospitality industry experience (20+ years in Human Resources and 7 years of Food & Beverage and Lodging). While originally from Clarkston, Michigan, Bill and his family (wife and two boys) most recently moved to Yellowstone from Florida. His love for the mountains and the park brought him out here. Some of his favorite Yellowstone memories from family vacations include climbing Electric Peak, taking the Yellow Bus tours, and enjoying the beauty of Hayden Valley. He also enjoys hiking, skiing, and golfing on his weekends. Bill is super passionate about hiring the right people and working as a team to achieve everyone’s goals.

Victoria Chamberlain
Director of Lodging

There is no shortage of lodging accommodations in Yellowstone. With 2,278 rooms ranging from rustic cabins to plush suites along with 1, 408 campsites, visitors have a full range of options. Victoria Chamberlain sees to the strategic direction of these facilities, ensuring that the guests’ needs are met and hopefully exceeded during their stay in one of the nine hotels or five campgrounds. Helping support Victoria in this endeavor is a staff numbering close to 1,000 (including housekeepers, front desk agents, and laundry helpers to name a few).

Victoria came to Yellowstone as a visitor in the spring of 1993.  She then spent the next year planning a sabbatical from work (at the time, she was an Art Director for a printing company in urban Chicago) and packed up her car for a ‘Quest to the West”. She came for a summer and never left. Victoria holds a degree in Graphic Arts and Marketing Management from Southern Illinois University. She strongly believes in “teachable moments” no matter what age. Outside of work and other commitments, she enjoys quilting, DIY projects, and anything with the word ‘Family’ in the title.

Lu Harlow
Director of Food & Beverage

Lu Harlow oversees the park’s largest department supporting more than 30 guest-facing food and beverage outlets in Yellowstone, ranging from cocktail lounges to snack bars and fine dining. Each year, Lu’s operation serves more than 2 million meals in the park with the help of over 1,000 seasonal staff.

Lu grew up in New England, lived in southern New Hampshire, and ultimately moved to Yellowstone from Cambridge, Massachusetts. She admits that NBC news’ coverage of the 1988 fires brought the park onto her radar, and eventually the prospect of living here convinced her and a friend that a summer was just what they needed. Lu, a self-proclaimed foodie, has been working in her field professionally for over 30 years. She loves good food and wine, casting her fly rod, her local rescue pup, and her thoughtful husband and two sons. With wise words, Lu expresses, “Be open to your Yellowstone experience and believe it when someone tells you that your journey here will be life changing.”

Dylan Hoffman
Director of Sustainability

Dylan Hoffman works hard to ensure we are operating in the least impactful way possible and preserving the integrity of the wild landscape as best he can for future generations. Dylan with his small but mighty team, provides ample opportunities for both guests and employees to be stewards of the park with a softer footprint approach to visiting and living in Yellowstone.

Dylan brings a diverse, eighteen years of environmental experience. His first position in sustainability was working on mountain pine beetle issues for the Colorado State Forest Service. He was born in St. Louis, Missouri and split time growing up between there and Summit County, Colorado. Nowadays, Dylan finds a lot of joy in simply hanging out at home with his family (partner Erin, daughter Steely, their dogs Laney and Wylie, and cat Cheddar). Dylan also enjoys recreating in and around Yellowstone. Activities that provide a direct connection to the environment are especially appealing to him (fly fishing, skiing, and rafting, to name a few).

Dillard Westmoreland
Director of IT

Yellowstone National Park Lodges is home to eighty-one servers and virtual servers, 1122 active workstations, 193 Routers and Switches, 32TB Storage capacity, and too many printers to count! Dillard oversees this world and the team members that tend to their functioning 24/7. No easy task in this remote world with limited bandwidth!

Dillard holds a degree in Computer information Systems and brings 27+ years of IT experience to Xanterra Travel Collection. He is originally from Nicholson, Georgia and is passionate about being a business enabler and also passionate about his faith and trying to be a life-longer leaner. Dillard is also an adrenaline rush seeker, having made a HALO Skydive, driven a NASCAR  and Indy car, and made 74 skydives! Dillard’s advice, “Get to know people and ask a lot of questions. Work gets done by helping each other. No one is on their own island in Yellowstone.”

Todd Scott
Director of Support Services & Activities

Two corrals, a marina, and a large fleet of touring buses and snow coaches are just a few things that fall under the world of Todd Scott. The service center that keeps vehicles running and the support services team (think print shop, lost and found, mail room, and more) are all under his umbrella. With that comes his team of wranglers, dock hands, guides, mechanics and more.

Todd, originally from North Carolina, moved to Yellowstone when he was eight months old. His dad was worked for the National Park Service in the Great Smokey Mountains and transferred here. In 1992 Todd started his career with Xanterra (then TW Recreational Services) as the Maintenance Management Computer Technician for the Engineering department. This led him to be the Manager of Support Services until he eventually landed his current role. He loves enhancing the visitor’s experience through interpretation of the park’s resources and history. Todd’s proudest career accomplishment is helping return the Historic Yellow Busses to the park. In Todd’s words, “Get out and enjoy the park during your free time!”

Sharon Rhodes
Director of Risk Management

Trying to keep everyone safe in the world’s first national park is no easy task. Sharon Rhodes is up for the challenge and strives for ZERO accidents whether you are a guest or an employee.

Sharon brings 30+ years of experience in management within the hotel industry. After moving to Yellowstone in 1992, she began her park career as a Human Resource Clerk, and then moved onto the role of Benefits Coordinator before assuming her current position. Sharon received her degree in Business Administration from David Business College in Toledo, Ohio. Sharon was honored with acceptance into the Merit level of the Occupational Safety and Health Administration’s Voluntary Protection Program (VPP) in 2004. This made Xanterra Travel Collection – Yellowstone the first, ever industry of its type to be accepted into this prestigious program. When she’s not looking out for everyone’s safety, Sharon can often be found running or hiking local trails and spending time with her family.

Amy DiBartola
Director of Learning & Development

Amy DiBartola is responsible for the direction and design of YNPL’s training programs to ensure all employees have the best learning and development experience possible—be it for excelling in their current position or for growing into a progressive career with Xanterra Travel Collection.

Amy, originally from Pennsylvania, had never been further west than Kentucky when she headed to Old Faithful to become a Resident Coordinator in the dorms. After spending seven years away from Yellowstone, Amy couldn’t resist coming back for one more summer. Over a decade later, she has continued to grow her Human Resources career through attainment of a Master’s Degree and accepting various promotions within Xanterra. Amy spends her weekends taking full advantage of the Greater Yellowstone Ecosystem with two furry friends and her vacation time engaged in adventure travel. Amy encourages each and every employee to make the most of their  weekends, to ensure that someday they aren’t sitting thousands of miles away with missed Yellowstone opportunity regrets.

Dusty Reagan
Director of Finance

Dusty oversees all the spreadsheets in Yellowstone National Park, ensuring bills and employees get paid and balance sheets and budget goals are met (with the help of his mighty team!).

Dusty hails from Tennessee and joined the Yellowstone team in 2017. He has never lived more than 10 miles from a national park having been raised near the Great Smokies, spent time working at the Grand Canyon, and then finally landed here in Yellowstone. Dusty brings over 20 years of finance/accounting experience with him along with an MBA from the University of North Carolina.  He’s passionate about efficiency, sustainability, his family (wife and two boys), and sports. When he is not pouring over spreadsheets, Dusty can be found rafting, fishing, or camping in and around Yellowstone. He encourages his fellow staff to aggressively pursue their off-work passions!

Mark Siedlaczek
Director of Engineering

While the government owns all the buildings in Yellowstone, Xanterra takes care of the buildings they operate in. This includes hotels, restaurants, employee facilities, and campgrounds (811 buildings total – but who’s counting!).  Many of these are historic structures. If there is one constant in Yellowstone (other than change), it’s construction!  While a staff of approximately 250 help maintain the facilities park-wide, there are always various improvement projects happening that are managed under the Engineering umbrella.

Mark brings over 30 years’ experience in the construction and facilities management field to this enormous operation. Originally from Michigan, Mark began his Yellowstone adventure back in 2009 as a Project Manager.

His passion for the Park, mountains, and outdoor activities called him to the west. He enjoys the many big game hunting opportunities the area provides. He especially loves spending time with his wife Shelly and their German shorthair pointer Willow pursuing the majestic pheasant. During the summer you’ll find him relaxing and fishing some of the nearby waters for walleye. Mark also enjoys the many challenges/opportunities that come with his job. Most of all, he appreciates working on many of the historic structures and seeing the projects from the conceptual stages to reality.

Karen Tryman
Director of Retail