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Mallory Zentner

Business Manager

Mallory is originally from Georgia and grew up with horses, dogs, cats, and ducks. She joined BAH in June 2006 as a part-time Client Relations member, and was promoted to Client Relations Manager in 2008, then to Business Manager in 2013. Mallory completed AAHA's Veterinary Management School in May 2014 and is currently working to earn her certification in Veterinary Practice Management.  She lives in Westminster with her husband, Andrew, and their 9 year old orange tabby, Oliver, adopted from the Humane Society of Boulder Valley. 

Mallory's Contact Info:

720-531-3511 direct line



Amanda Toomey

Client Relations Manager

Amanda joined the BAH team in May 2015, after working in the veterinary field for over 5 years.  She was married in September 2014 and lives in Westminster with her husband Brian, and tuxedo cat named Lilly. Amanda and Brian welcomed their son, Logan, to the world in June 2016!

Kristin Spiess

Client Relations Member

Kristin moved to Boulder in 2011 to attend the University of Colorado.  She joined our team in January of 2014, working in the evenings as a client relations member.  During her time in Boulder, she has acquired 2 cats, Colton and Kali, and a dog, Ruby.

Christina Lujan

Client Relations Member

Christina is native to the Denver and Boulder area. She joined the BAH team in June of 2014. She is pictured with her loving puppy Chief. 

Liz Hartney

Client Relations Member

Liz moved to Colorado in 2012 from Indiana after graduating from Ball State University. She is currently finishing a Master’s degree in Wildlife Biology. She joined the BAH team in November 2015. She has two ferrets at home, Ripley and Bruce Lee. In her free time, she enjoys hiking, camping, and exploring all things outdoors. 

Gretchen Luegers

Head Certified Veterinary Technician

Originally from Indiana, Gretchen has been with BAH since 2012. She is pictured here with her handsome puggle, Cheech, affectionately known as "Booger".


Marissa Mangelsen

Certified Veterinary Technician

Marissa graduated from Eastern Wyoming College in 2011, with an associates of applied science degree. She earned her certification in the same year. Marissa worked at Banfield in Longmont for 2 years before becoming a member of the BAH team. Marissa is pictured with one of her two kitties, Cesar.

Jill Howard

Certified Veterinary Technician

Jill grew up in Estes Park and moved to Denver to attend the Bel-Rea Animal Institute. She moved to Longmont 2 years after graduating from Bel Rea to be closer to her family. She lives with her pug, Sidekick, and her son Keagan.

Paul Carey

Kennel Manager

Paul, originally from Spencer, Iowa, is a graduate of the University of Iowa. Paul has been a member of our team since 2005 and was promoted to Kennel Manager in 2015. He is pictured with his fun-loving Labrador, Peekay.


Rori Flanagan

Assistant Kennel Manager

Rori is a Boulder native, and came to BAH in April of 2015 after having worked with dogs in a kennel/daycare setting for 3 years. She spent time working in the Phoenix Zoo with stingrays, squirrel monkeys, giraffes, and goats. She is pictured here with her dog, Ellie, and also has a cat at home, Kinks. 

Vicki Ziebert

Kennel Technician

Vicki became a Kennel Technician at BAH in August 2015.  She moved to Colorado from Wisconsin in July 2015 after recently graduating from the University of Wisconsin-Madison.  She received a Bachelor of Science degree, double majoring of Animal Sciences and Psychology, with an interest in animal behavior.  She loves that she can apply her passion for behavior to working with dogs at BAH's daycare and boarding services.  In her free time, Vicki enjoys snowboarding, frisbee golfing, horseback riding, bird watching, and exploring all that Colorado has to offer.  At home, Vicki has two birds, two frogs, and a dog, Bernstein (pictured here).  Bernstein is her 3 year old rescued mutt, whom also enjoys all the services BAH has to offer!

Madison Top

Kennel Technician

Madi is from the Tri Cities, Washington area and moved to Boulder to attend CU Boulder. She joined the BAH team in August 2015. She has a cat, Elsa, who loves to eat flowers. In her spare time, Madi enjoys playing music and dancing.

Terra Groah

Kennel Technician

Terra is originally from Northern California, she is currently studying Evolutionary Biology and Ecology at CU Boulder.  Terra has been at BAH since the summer of 2015 and she loves getting to interact with the dogs and their owners.  At home, she has a cat and 4 fish tanks. In her free time she likes to fly fish, camp, hike and trail run.

Sydney Werbach

Kennel Technician

Sydney is from Longmont and is currently attending CU Boulder to study Linguistics, Spanish, and German.  She joined BAH in August of 2015 and enjoys snowboarding and playing soccer in her free time.  Sydney has 5 rats at home- Texas, Diesel, Mouse, Guinness and Meelo- as well as a cat named Bolin.

Takako Chasson

Professional Groomer

Takako is our extremely talented groomer, and is originally from Japan. She joined the BAH team in 2008. She is pictured here with her dog, Samantha.


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