James W. Poage, D.V.M.

Dr. James W. Poage joined Valley Animal Hospital May 28, 1980, and  he purchased the hospital from Dr. Ayers on January 1, 1992.  Dr. Poage graduated from Virginia Tech in 1976 with a B.S. in Dairy Science.  He then attended the University of Georgia, graduating in 1980 as a D.V.M.  Dr. Poage is a member of the AVMA - American Veterinary Medical Association, the VVMA - Virginia Veterinary Medical Association and the RVVMA - Roanoke Valley Veterinary Medical Association.

Dr. Poage was the veterinarian for Mill Mountain Zoo for 27 years.   Dr. Poage is married to Denise Poage who is the assistant office manager at Valley Animal Hospital.  He has two children, Jayna and Matt, and his extended family includes a Jack Russell Terrier mix named Spirit and two Miniature Horses named Dinky and Sugar. His hobbies include photography, home improvement and landscape gardening.


Jessica M. Staley, D.V.M.

Dr. Jessica Staley is a 2004 graduate of the Virginia-Maryland Regional College of Veterinary Medicine, and joined VAH on June 1, 2004.  Her primary interest is small animal internal medicine but has special interests in denistry and ultrasonography.  She is currently a member of the AVMA, VVMA and the RVVMA of which she is past president. 

Dr. Staley and her husband CP live in Roanoke with their two children.  She enjoys spending time with family, horseback riding, skiing and trips to the beach. The Staley's have 1 dog, Mabel and an adopted senior cat named Monty.


Jaime M. Jonen, D.V.M.

Dr. Jaime Jonen joined Valley Animal Hospital on June 15th, 2005. She is a 2005 graduate of Iowa State University College of Veterinary Medicine.  She was raised in Wisconsin and received her Bachelor's degree in animal science from the University of Wisconsin-Madison.  Dr. Jonen is currently a member of the AVMA, VVMA, and the RVVMA.  Her special interests include soft tissue surgery, internal medicine and dermatology.  

Dr. Jonen and her husband, Travis Smith live in Salem with a house full of 4 legged babies. They have 3 cats (Simon, Mauser, and Sookie) and 2 dogs (Timber and Hurley).  On May 10th, 2014, they were blessed with their first 2-legged baby girl (Harper).  Dr. Jonen also works as a Pampered Chef Consultant in the little free time she has available.


Karl R. Kroenlein, D.V.M.

Dr. Karl R. Kroenlein joined Valley Animal Hospital on June 15, 2007.  He received his DVM degree from Virginia-Maryland Regional College of Veterinary Medicine in 2007.  Dr. Kroenlein has special interests in Reptile and Avian medicine & surgery, ultrasonography, pathology, cytology and orthopedic surgery.  He is a member of the AVMA, the RVVMA and VVMA. He is also a member of the ASGV (Association of Sugar Glider Veterinarians) as well as the ARAV (Association of Reptile and Amphibian Veterinarians).

Dr. Kroenlein and his wife Ruth Ann have a small home zoo in Blacksburg including a new rescue dog, two cats, a green iguana, a painted turtle, and many snakes (including a small corn snake breeding program).  In their free time, they enjoy traveling, hiking, fishing, going to the movies, and working in the yard and on their house. They recently added two new members to their family: TWIN baby boys (human ones) that are growing fast.

Vanessa H. Mitchell, D.V.M.

Dr. Vanessa Mitchell joined Valley Animal Hospital in September of 2014. She is a 2011 graduate of Ross University School of Veterinary Medicine. Dr. Mitchell was raised in New England and received her B.S. in Biology from Colby-Sawyer College. Her interest is small animal internal medicine.

Dr. Mitchell and her husband James live in Christiansburg with their 5 pets. They have 3 cats (Ella, Pippa and Baxter) and 2 dogs (Tara and Riley) Dr. Mitchell enjoys horseback riding and hiking.


Ralph E. Ayers, D.V.M.

Retired...enjoying life!

Dr. Ralph E. Ayers graduated from The University of Georgia College of Veterinary Medicine in 1954 and founded Valley Animal Hospital in 1962. He is a member of the AVMA, VVMA and RVVMA of which he is a past president.

Dr. Ayers and his wife Theda live in Roanoke county.  They have two sons, Edward and Billy and a daughter Angie.  Five grandchildren currently occupy a lot of the Ayers' time.  Dr. Ayers is an avid golfer who doesn't let work get in his way.


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5146 Hildebrand Road
Roanoke, VA 24012
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