Practice Manager

Ashley Alley

Ashley Alley has been with our practice since she moved to Bozeman in 2004. She handles all aspects of the practice including patient and staff relations, marketing, and practice growth. Ashley is especially proud to be the coordinator for the Blue Ribbon Seminars Dental Study Club. She is a South Dakota native and graduated from South Dakota State University.

Surgical Staff

Brian (B2)

Brian has been assisting in dental and oral surgery for over ten years. He was born and raised in Idaho and lived in Anchorage Alaska for ten years. He did his assistant training in Anchorage. He has lived in Bozeman for the past five years and enjoys many outdoor activities this area has to offer.
Katie Haeussler, R.N.

Katie Haeussler is our registered nurse.  She is a Bozeman native who graduated from MSU.  Katie has been practicing nursing for over 10 years in Montana and assists our doctors with all aspects of surgery and patient care. She attends continuing education courses throughout the year and maintains certification in Advanced Cardiac Life Support.
Julie Zeller, R.D.H.

Julie Zeller is a registered dental hygienist (R.D.H.) who specializes in implant care. Julie graduated from Herzing University with a degree in both dental assisting and dental hygiene. Julie has been with our practice since 2007 and has cared for thousands of happy implant patients. She also has a reputation with our patients as being the gentlest person they have had administer a local anesthetic (numbing).

Administrative Assistants


Sophie is our dental implant coordinator.  She works with our implant patients, referring dental offices, and our implant surgical team to perfect the patient’s experience as they go through the process of replacing one or several teeth with dental implants.  Along with being well versed in medical coding, billing, and insurance policies and procedures, Sophie specializes in implant patient care and has coordinated hundreds of happy implant patients.

Shannon has been an administrative assistant for Dr. Chisdak since 2006. She is a North Dakota native and graduated from Minot State University in Minot, ND. Shannon is experienced in scheduling and patient care and handles the office bookkeeping as well.  She is typically the first friendly voice you will hear when you call our office.