​Brenda Slingsby - Payroll Processor


Brenda joined McDermott Financial Services in March 2017. Before joining our team, she spent 5 years at James Bond Family Dentistry starting out as an insurance processor and spending 4 years as the office manager.  In her free time, she spends her time training for half marathons and marathon races she runs throughout the year. When she isn’t running, she is spending time with her two Australian shepherds finding new places to explore in the Gallatin Valley area. 


Christi Coubrough - CPA


Christi is a Certified Public Accountant who fearlessly leads the McDermott Financial Team. 

Jesse Corbo - Accountant


Jesse graduated from Montana State University with a Bachelor’s degree in Business, major concentration in accounting with a minor in business finance.  He joined McDermott Financial Services in August of 2015 after relocation from Whitefish, MT to relaunch his academic career. Before joining our team he spent 13 years working for Safeway. Jesse is eager to learn and gain the technical skills needed to grow in his new career. Jesse enjoys the outdoor adventure activities that Bozeman has to offer and spending time with his family and friends.

Michael Henry - CPA


Mike Henry is a Certified Public Accountant that graduated with a Masters of Professional Accountancy from Montana State in 2001.  Prior to coming to MFS, Mike spent 11 years working for Anderson ZurMuehlen, Montana's largest accounting firm.  He specializes in taxes and consulting for individuals and small to medium size businesses.  Mike works hard to get to know his clients and their individual needs in order to provide them with the best service possible.  Mike, his wife Amanda, and two boys, Charlie and Willie, enjoy spending time together and are always up for an adventure.


Dan Ritter Jr. – Accountant

Dan received his Bachelor’s Degree in Accounting from Norwich University in 2009.  Before joining our team in September of 2016, he served seven years as an officer in the United States Marine Corps. He is currently enrolled in the Master of Professional Accountancy program at MSU and is studying for the CPA Exam. Dan enjoys hiking, fishing, and spending time with his wife and two children.


Heather Strong - CPA


Heather is a Certified Public Accountant and has been in the accounting practice since 2005. In 2016 she relocated to Bozeman from Georgia where she was a Manager at a large accounting firm. She specializes in the area of individual and small business income taxation. Heather has expertise in assisting small businesses with business advisory, accounting systems, financial record keeping and payroll reporting. She enjoys working closely with our clients and collaborating  with other professional advisers to offer each client the best service possible. Heather is married and has 3 daughters. 

Team

​​​​​​Bethany York - Assistant

Bethany joined McDermott Financial Services in July of 2014. Prior to joining our team, she worked as a teller and loan processor at Yellowstone Bank. Bethany graduated from Oklahoma Baptist College in 2011 with a degree in elementary education. She taught 3rd and 4th grade in Mesquite, Texas, where she met her husband. In search of a new adventure, they moved to Montana in July of 2013 and have thoroughly enjoyed the views and people of Bozeman. In her free time, Bethany enjoys baking, reading, shopping, spending time with family and friends, and doing outdoor activities.

Sherrie Johnson - Office Manager

Sherrie joined McDermott Financial Services in August of 2017. Prior to joining our team, she has a working background in Network Administration, Database development/management, and Department Management.  Sherrie comes to us from Flagstaff, AZ. Sherrie and her husband moved to Montana in May 2017 and have thoroughly enjoyed the people of Bozeman. In her free time, Sherrie enjoys volunteering with Warriors and Quiet Waters (WQW) of Bozeman, reading, shopping, spending time with family and friends, and doing outdoor activities.

Joey Koelsch -  Accountant

Joey Koelsch joined McDermott Financial in July 2006.  He received his Bachelor’s Degree in Accounting from Montana State University in 2012.  His primary responsibilities at McDermott Financial are bookkeeping and tax preparation.  Joey was born in Spokane Washington and came to Montana in 2002 for snowboarding, fly fishing and all other outdoor activities.

Hayley Stewart - Accountant

Hayley joined McDermott Financial Services in September of 2013. She received her Bachelor’s Degree in Accounting from Montana State University in 2012. She is currently studying for the CPA Exam. Her primary responsibilities at McDermott Financial are bookkeeping and payroll. Hayley was born and raised in California and moved to Montana in the summer of 2010 where she enjoys hiking, hunting, and camping with her family and friends.

2054 Stadium Dr, Suite C
Bozeman, MT 59715
ph: 406-585-9291

A full-service Accounting firm -- Certified Public Accountants -- Bozeman Montana