Bariatric Team Biographies

Dr. Jon Pressett, MD

Castleview Surgery Associates
Medical Director Castleview Hospital Weight Loss Center
Board-certified General Surgeon


Our Bariatric Surgeon/Medical Director is a Price, Utah native and a board-certified general surgeon.  He graduated medical school from the University of Sint Eustatius School of Medicine.  He did his surgical training/residency at the University of Massachusetts.  He did additional fellowship/specialty training in advanced laparoscopic and bariatric surgery at the University of Massachusetts, one of New England’s busiest Bariatric surgery centers.

Dr. Pressett is a member of The American Society of Bariatric and Metabolic Surgery (ASMBS), The American College of Surgeons (ACS), The Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) and the Utah Medical Association (UMA).

Cris Chamberlain, NP-C

Cris attended Frontier Nursing University in Kentucky where he received his Masters of Science in Nursing, Family Nurse Practitioner. Cris brings 14 years of clinical experience to the Castleview Weight Loss Center, and works alongside Dr. Pressett provideing patient care and clinical evaluations.

Jessica Martin– Bariatric Coordinator

Jessica comes to the Castleview Weight Loss Center with experience is both hospital settings and with insurance companies. Jessica is excited to be the coordinator of the Castleview Hospital Weight Loss Center.  Jessica enjoys working with patients in the clinic and seeing them succeed. She is excited to be a part in making communities healtheir

Stephanie Sehestedt, RN, CBN – Nutrition & Exercise Counselor

As an Emery County native, Stephanie is excited to be serving the local community with Castelview Hospital since completing her nursing degree at USU Eastern in 2012.  She also holds a bachelor’s degree in Exercise Science with a minor in Nutrition from the University of Utah and offers over twelve years fitness and health professional experience. Stephanie works as a medical/surgical nurse at Castleview Hospital and is also proud to be a member of the Castleview Weight Loss Team.

Nicole Bradley, RN – Clinic Nurse

Nicole is Dr. Pressett’s nurse, and assists patients in his office with pre-op and post-op teaching, surgery scheduling and preauthorization. Nicole began her medical career by becoming a CNA in 2010. She worked at a nursing home while taking her prerequisite classes for nursing school. Nicole continued to work hard and graduated at the top of her class from USU-Eastern in 2014 with her RN/ADN degree. She began working as a Registered Nurse at Castleview Hospital on the Medical/Surgical Unit. Six months later Nicole underwent oncology training at the Huntsman Cancer Institute and became part of the infusion team at Castleview Hospital. She has a deep passion for working with infusion and cancer patients at Castleview. When Nicole heard that Dr. Pressett was looking for an RN, she jumped at the opportunity. She enjoys working with Dr. Pressett and his amazing staff at the Castleview Surgery and Weight Loss Center. Nicole loves her patients and enjoys helping them succeed. She is extremely grateful for the chance to serve our wonderful community.

JoAnn Stout, RN – Diabetic Educator

JoAnn is the diabetic educator at Castleview Hospital.  She completed her RN degree at the College of Eastern Utah and has been employed with the hospital since 1993.  She has worked in various RN nursing positions throughout the hospital including Medical/Surgical, Transitional Care, Surgical-Recovery, Outpatient, and Conscious Sedation before coming to Diabetic Education. She is a lifetime resident of Carbon County where she lives with her husband and three children. She comes to diabetic education with a strong nursing knowledge and 11 years of experience raising a daughter with Type 1 diabetes.  Diabetes is an everyday adventure and she is excited to be helping the patients in the bariatric program.

Dannette Moynier, CSW – Medical Social Worker

Dannette Moynier has been part of the Castleview Hospital team since 1986. Throughout this time, she has worked as the Medical Social Worker in many areas of the hospital and has recently added Director of Patient Satisfaction to her responsibilities. Ensuring that every patient receives quality and compassionate care is her priority. 

Dannette is excited to be part of Dr. Jon Pressett’s  Bariatric Team and eager to learn more about the process of surgical weight loss.  “I am honored to be working with this group of caring professionals Each member is committed to support you in your journey to become a healthier and happier you!”

Eva Tseng, MS,RD,CD,CDE – Dietitian

Eva Tseng holds a Bachelor of Science degree in Public Health Nutrition from Utah State University and a Master of Science degree in Nutrition and Exercise Science from Southeast Missouri State University.  She is a state Certified Dietitian and Academy of Nutrition and Dietetic Registered Dietitian and Certified Diabetes Educator.  Eva has been in the field of dietetics for 8 years helping people to achieve their nutrition goals through positive lifestyle changes.

Watch our Bariatric Orientation Video and get started today!