Superstar Team Members

Green Bay Dental Team - Superstar Team Members - Sierra Dental

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Financial Coordinator

Hi, my name is Katrina. I am new to the Sierra dental family as of May 2024. I look forward to meeting all of our new and existing patients and welcoming new ones.

I’ve been married for 32 years to my amazing husband, Brian. We have three wonderful sons that are grown and have left us an empty nesters. However, we do have two dogs, two cats and one fish. They keep us pretty busy and entertained. We are a laid-back family Orientated bunch. I look forward to getting to know everyone!


Dental Assistant

My name is Ashley, I have been a part of the Sierra Dental team since 2008. I work chairside with Marty as his dental assistant. I enjoy being part of the family here at Sierra Dental. I was born and raised in Marshfield, but have been living in Green Bay since 2007. I have 3 beautiful children. We enjoy camping, fishing & waterparks. I look forward to meeting new patients every day and help make dentistry fun.


Registered Dental Hygienist

Hello, my name is Liza, and I have had the privilege of working with Dr. Marty and his dental team since 2020.  I received my Dental Hygiene degree in 2008 and completed my BS in Biological Science in 2011.  The field of Dental Hygiene is constantly evolving, and I take pride in continually learning and researching the most effective techniques to ultimately give my patients the best care possible.   Helping to ensure a healthy, happy smile is one of my priorities here at Sierra Dental.  The most rewarding part of my role is meeting new patients, continually see established patients and to become a trusted healthcare friend.

In a nutshell, I was born in the U. P of Michigan in Iron River, and I am joined by my husband Chris and our 4 children (Croix, Axton, Sawyer, and Ruby). When we are not at one of their hockey games or soccer matches, we love going on outdoor excursions such as swimming, fly fishing, skiing (downhill and water) and more.  We are often joined by our Yellow Lab, Bell, and our English Setter, Charlie, and our recently adopted cat, Lolly.  

I am honored to be part of Sierra Dental and I am committed to making your visit to our dental office the most pleasant experience possible. I am excited to meet you and to become your friendly Dental Hygienist!


Registered Dental Hygienist

Hello, I’m Katie, one of the Dental Hygienists at Sierra Dental, and I joined Dr. Marty’s team in 2020. I graduated from Northeast Wisconsin Technical College in May 2019, and have been a member of the American Dental Hygiene Association since 2017. I have earned certifications in administration of local anesthetic and nitrous oxide, as well as certification for soft tissue laser therapy. I have a passion for learning and staying up to date on the latest studies and advances in the field. Growing up I knew I wanted to pursue a career in dentistry, as I have always loved making others smile. I pride myself in attention to details, and creating positive dental experiences for you and your family. 

I was born and raised in Green Bay, and enjoy the ever changing weather. In my free time I love traveling, being outdoors, camping and hiking. During the summer and fall time I am out on the bay jet skiing or duck hunting every chance I get. I also have a passion for crafting, DIY projects or anything creative!

I look forward to seeing you at your next appointment!


Hello, my name is Lexi. I’ve recently joined Sierra Dental as of May 2022 as a chairside assistant and business assistant. I previously affiliated with this office while I was going to school at NWTC to become a certified dental assistant and soon after, I was offered a position for this job which I gladly took! I was born in Wausau but raised here in Green Bay. I am currently engaged to my fiancé Meno, we welcomed our first baby boy in March of 2023. I have a mixed rescue dog named Paris and always willing to try to help more animals in need. My ultimate goal is to make patients feel comfortable when they come into our office and hope they receive the best experience walking out of our doors. I’m looking forward to meeting you!


Charlie is hypoallergenic and certified to provide animal assisted therapy. He has completed his Puppy Training, Obedience Beginning, Intermediate, and Advanced Trainings, and he is a K-9 Good Citizen Dog. When you visit our office, you will find Charlie hanging out in Dr. Marty’s office or assisting one of our valued patients.