RETIRED: Dr. Cox retired from Full-Time Veterinary care August 31st, 2020. He will likely still help us out with relief work occasionally when we have a Doctor out of the office.

Dr. Mark Cox was born and raised in San Antonio. He received his undergraduate and doctorate degrees from Texas A&M University, graduating from Veterinary School in 1987. He started Southlake Crossing Animal Clinic in 1991 after working as an associate in Bedford, Texas for four years. He met his wife, Carol, while at Texas A&M and has been married for over 25 years. They have two children, Hilary and Ryan.


Dr. Mike Valdivia has lived in Texas for most of his life. He received his Bachelor of Science in Animal Science from New Mexico State University in 1997 and his Doctor of Veterinary Medicine from Texas A&M University in 2002. He has been at Southlake Crossing Animal Clinic since his graduation. His primary professional interest is surgery. He currently lives in Keller with his wife, son and daughter.


Dr. Susan Boeving spent most of her childhood in Houston. She received a Bachelor of Veterinary Science & Doctor of Veterinary Medicine from Texas A & M University, graduating in 1993. After graduation, she moved to the DFW area with her husband Doug and has been practicing in the Keller/Southlake area since 2000.


Dr. Esser was born and raised in Beaumont, Texas. He earned his Bachelor of Science in Agriculture – Animal Science from Texas State University – San Marcos in 2010. He earned Doctorate of Veterinary Medicine from Ross University School of Veterinary Medicine after completing his clinical year at Texas A&M University.


Kelly McNeill – Practice Manager

Kelly is our practice manager and has been with Southlake Crossing Animal Clinic since February of 1998. Her dedication to the happiness and health of not only our patients and their owners, but our clinic family, is one of the reasons we count ourselves successful as a practice. Her husband and she live in Keller with their college age son. She also has a married daughter and two very fast growing grandsons that keep her on her toes. Away from our clinic, she enjoys spending time outdoors fishing and camping, chasing her grandkids and spending time with her 3 dogs, Astro a Boston Terrier Mix, Aspen, a yellow lab and her new rescue, Amos a 2 year old Black lab.

Elizabeth Boivin – Head Client Service Representative

Elizabeth has been with Southlake Crossing Animal Clinic since March of 2007. She began her career here as a receptionist at our front desk, then moved on to veterinary assistant in 2009 where she loved being so hands on with the care and comfort of the animals that we love. She became our Head Client Service Representative in May 2011 where she manages our Front Desk Staff and loves being able to help our “human” clients while still being active in the physical care of the Fur-Babies. Elizabeth is married and has a German Shepherd named Onyx, a border collie, Jazmine, a keeshond, Sasha, and 3 cats named Isis, Freya and Jinx, and there are a few goats and chickens, too! In her down time she enjoys camping out at the lake, music, reading, taking care of her home and garden, and spending time with her family and friends.

Tawny Maloy – Head Technician

Meet Tawny, she is our Head Veterinary Technician and she came to Southlake Crossing Animal Clinic in April of 2012 as a Tech and worked her way up to leader of her pack. Tawny states that making the move to SCAC is one of the best choices she could have ever made. And we are grateful to have her. She stared in her first clinic in 2008 and quickly learned she wanted to be more hands on as a technician. Tawny married her husband in 2015 after his return from Active Duty in England for the Air Force and they love working on their new home, going to the beach, fishing, and having lazy days with her family. Tawny had a beautiful baby girl in the summer of 2018. She is pictured here with Prezleigh, her young pitbull mix. She’s a mess! But they love her.




Jimmie started with us at the end of September 2014 and he had worked as a Veterinary Technician for 4 years before coming to us. He is married with a young son named James. The rest of his family consists of a Miniature Schnauzer named Jackson and a Cocker Spaniel named Madison. When Jimmie isn’t at the clinic he loves spending time with his family, golfing, snow skiing and running.


Aubrey started with us in June of 2014. She started working with animals in 2009 and has loved learning everything from the kennel to being a technician. She has a chihuahua named Dory. She loves reading, drawing and painting in her free time. Aubrey is pictured here with her late Chihuahua named Nemo.


Meet Kimberly! She started working here in August of 2016. Though she had no prior Veterinary experience she is taking classes at Cedar Valley College to become an Accredited Veterinary Technician. She has 2 cats named Bullseye and Jessie. She is always bragging about how cute they are! And we agree. For fun, she loves to bake cookies and cook recipes she finds on Pinterest, camping with friends and family, and on lazy days, binge watching Netflix with a cozy blanket. Kimberly loves working in veterinary medicine where every day is exciting and there is always something new to learn. She is pictured here with Bullseye and her late Lab, Daisy.



Stephanie came to us in January of 2018 for an externship with an Animal Behavioral College and was hired March of 2018. She hadn’t worked in the veterinary field before but was a medical assistant. She didn’t think that was the right fit for her and decided to switch to assisting in the animal medical field, which she LOVES! She was born and raised in Los Angeles, California but moved to Texas in June of 2017 with her husband. On her days out of the clinic she loves playing video games with her husband and taking walks with her very high energy Jack Russel Mix, Gaston.


Rosie came to Southlake Crossing Animal Clinic in June 2017. She previously had worked in the veterinary field for 12 years at other clinic. Outside of work she likes to canoe, hike, camp, swim and really anything having to do with outdoor adventures. Rosie shares her home with a Boxer/Pit mix named Lilly, two cats, Emily and Frankie, a snake, 75 gallon fish tank, and the occasional orphan animal that she is raising.












Sherri has worked with Southlake Crossing Animal Clinic off-and-on since 2007. She is married and has 2 beautiful little girls named Kiley and Adalynn. Sherri also shares her home with her Min-Pin Zoey. When not at the clinic she loves spending time with her family and friends.



Misty started with our practice in May of 2017. Though having no previous experience in veterinary medicine, she has a passion for animals and especially loves those orange tabby cats. Misty currently has a rescued orange tabby Cat named Bugsley that she is pictured here with. Outside of the clinic she enjoys spending time with her family and friends and reading.




Stephanie came to the clinic in October of 2015. She had worked for many years in the veterinary industry before coming to us as a technician. In February of 2018 she made the decision to make the move back to the front desk where she enjoys helping out are clients with the knowledge she has gained working behind the curtain. When not at the clinic she enjoys spending time with her husband, daughter and young son.