Simon-Williamson Clinic’s leadership team is comprised of physicians, managers and administrative staff. Our staff is dedicated to providing the highest quality medical care with kindness, compassion, and integrity.

William Kirby, MD


Joseph Wu, MD

Vice President

Kenneth Elmer, MD

Managing Partner

Rian Montgomery, MD

Managing Partner

Elizabeth Sahlie, MD

Managing Partner

Lee Brewer

Senior Operations Officer

Cassie Cato

Senior Financial Officer

Tandi Hale

Administrative Assistant

Kristine Ledlow

Compliance Officer

Janice Hill

Employee Coordinator

Donna Polk

Coding Supervisor

Diane Stewart

Patient Accounts Supervisor

Chinella Webb

Radiology Supervisor

Lee Ann Hallman

Laboratory Supervisor

Glenn Owens

Information Systems

Denise McEachern

Human Resources

Taylor Coburn


Phil King

Purchasing Manager

"We love Dr. Elmer. He was my doctor as a kid, now he's my son's doctor. Would definitely recommend him to anyone looking for a pediatrician."

"I saw Dr. Wu today he's such an amazing doctor. He takes the time to listen to what you have to say... Thanks for a super check-up!"

"Dr. Kirby is my doctor! He's such a kind-hearted, gentle, and loving man with all his patients!!! So amazing with a good soul!!"

"Dr. Sahlie is awesome! She became my daughter's pediatrician in 2005, later my nephew, and nieces."

"Dr. Cooper and her staff are amazing. I have never received such high quality care or been so respected by medical providers before!."

"Dr. Lindsey's a good doctor. Wendy is always so helpful and always calls you back!"

"Dr. Kennedy is the most kind and caring doctor you will ever meet. She takes good care of me and several friends and family members from Cullman, Alabama."

"I have been an oncology patient at SWC for over 6 years. In no particular order I want to express my sincere thanks to the staff for the empathy, patience, and compassion they have selflessly extended to their patients during some of our most difficult days. What you do isn't easy nor is it taken for granted. It is a true calling that God placed on your hearts and I like so many others would like to take this opportunity to say THANK YOU! It's people like you that make it easier for people like me to keep fighting."