Oxygen Therapy Specialists
Sales Managers

Aaron Searls Sales Manager
Aaron has been a dedicated member of the AMSR team since July 2014. Prior to that, he worked for over 6 years in a fitness gym, assisting with coaching, mentoring, and developing healthy living habits with people of all ages. Aaron loves rooting for the Colorado Avalanche and enjoys all things outdoors. He is passionate about helping others and is always looking to improve himself.

Christa Bacon Sales Manager
Christa moved to Denver from Nashville, Tennessee, in February of 2021. Prior to joining the AMSR team, she competed professionally in ballroom dancing and was an instructor for thirteen years, as well as managing a studio. When she's not working, you can almost always find her kickboxing, practicing yoga, or dying her hair a new, crazy color!
Oxygen Specialists

Nick Vannatta Lead Oxygen Specialist
Nick joined AMSR in 2007. He has been factory-trained by several manufacturers and is an expert in all facets of oxygen and sleep therapy. Nick enjoys getting to know his customers, and they often ask for him by name. In his downtime, Nick enjoys spending time with his family and playing hockey.

Luke Corrick Oxygen Specialist
Luke, a Colorado native, was born and raised in Denver. He graduated and played college baseball at the University of Northern Colorado. He started with AMSR in 2018. Outside of work he likes to play golf, and take trips to the mountains to go snowboarding and mountain biking!

Katie Yeadon Oxygen Specialist
Katie Yeadon, born and raised in Indiana, grew up with a very large family. She is 1 of 6 kids, her dad is one of 15 children, and there are over 90 grandkids on that side of the family. She moved to Colorado over 16 years ago and has never left. She loves the sunny skies and moderate weather and tries to get outside whenever possible. She loves hiking and fresh Colorado mountain air.
She has been with AMSR for over a year and loves caring for people who need our services. She says, "It is very rewarding knowing that each person I connect with is getting the best service and knowledge out there. I love giving our customer's the best solution for their issue and to let them know life can always get better with what we have to offer."

Jake Kinlaw Oxygen Specialist
Originally from Dallas, TX, Jake moved to Colorado when he was ten and loves it here. He graduated from Colorado State University with a Bachelor of Arts Degree in Communication Studies & History (double major) in the Spring of 2013. He is versatile and loves snowboarding, hiking, shooting, and working out. He has always been passionate about sports and played football and practiced mixed martial arts from a very young age. Moreover, he was the MVP and captain of his Lacrosse team for 3 years. He loves having fun and going out with his friends. He has two dogs and has been married for over six years. He adds, "My late dad was a huge inspiration to me, and he exemplified what it meant to be a good person and treat others with respect."

Aziz Kamal Oxygen Specialist
With great pleasure, Aziz joined the company in 2017. He is a Chicago native and loves the Windy City. He enjoys sports and spending time with his family. He also takes great pleasure in securing a better lifestyle for his customers and allowing them to regain their freedom.


Chris Hollis Oxygen Specialist
Chris grew up in the mountains of Gypsum, Colorado. He joined AMSR in 2021. He enjoys connecting with patients to help get them the right concentrators for their needs and loves to hear travel stories and life experiences from them. Outside of Work, Chris is a musician but loves to snowboard, ice fish, and get outdoors in the summer. He is an active hiker, camping, fishing, and golfing.

Drew Williams Oxygen Specialist
Drew is a Colorado native with over 15 years of sales and customer satisfaction experience. He's always been passionate about helping others. Drew joined AMSR in 2023. In his free time, he enjoys spending time with his family, playing basketball, and watching sports. Go Broncos!



Cami Lummus Oxygen Specialist
Cami was born in California and grew up playing sports, eventually discovering her passion for soccer in Reno, Nevada. She earned a Division I scholarship to Eastern Illinois University, where she graduated with a bachelor's degree in finance. After college, she moved to Colorado with her sister and shifted from finance to a more fulfilling role at AMSR. There, she found purpose in helping people access essential oxygen equipment and support. In her free time, Camryn snowboards, plays on four soccer teams, and enjoys Colorado's outdoor music scene.

John Paige Oxygen Specialist
John is originally from Minnesota and has lived in Colorado for 25 years. John brings 10+ years of medical device experience to the American Medical team. He has a sincere passion for helping our patients find the best possible solution for their oxygen needs. John enjoys playing golf, mountain adventures with his golden retriever, Mac, and is a die-hard Colorado sports fan.


Brent Howell Oxygen Specialist
Brent grew up surrounded by the natural beauty of Lake Tahoe’s foothills before making the move to Florida in 2022. With a rich background in snowboarding, motocross, and outdoor adventures, Brent brings an energetic and dynamic approach to his role in medical sales. He’s passionate about helping clients navigate the best oxygen solutions and ensuring they receive top-notch care.


Thatcher Mills Oxygen Specialist
Thatcher is originally from Newport, Rhode Island, and brings over 15 years of service industry experience. Thatcher is well-traveled, being a veteran of the US Coast Guard, and understands well the value of our veterans. Understanding the importance of great customer service and support, he looks forward to helping with your oxygen needs.