Alan S. Hans, DVM, Owner

Originally from Queens, New York, Dr. Alan Hans founded the Woodstock Animal Hospital in 1981 and the Port Ewen Animal Hospital in 1993. The Ark Animal Hospital was “born” in May of 2011. Dr. Hans did his undergraduate studies at SUNY Buffalo and Columbia University which led to veterinary studies at The University of Liege in Brussels, then internships at The Animal Medical Center in NYC and Cornell University in Ithica, New York. When Dr. Hans leaves the practice at night, he goes home to his 3 labs, Ben, Annie, Charlie, and his cat Ella.

Dr. Amy Adams, Veterinarian

Bio coming soon.

Kim Chase

Kim is a Woodstock native that has worked at the Woodstock Animal Hospital since December of 1988, and is the practice manager. She is a graduate of Onteora High School and Ulster County Community College. Kim and her husband Tom have two adult children, Kate and Cody. Kim also has 2 great danes, Roxy and Jack, a mastiff mix, Cooper, 1 very large percheron horse, Goose (he came named), a goat named Libby, a flock of chickens and guinea hens.

Jennifer Van Steenburg

Jenn was born in Catskill, NY and grew up in Saugerties, NY. She joined the Woodstock Animal Hospital in 2010 as a client care specialist and vet assistant. Jenn is a graduate of Saugerties High School, then attended CGCC and The Gulf Coast College in Mississppi. She enjoys photography, baseball, and scrap booking. Jenn is accompanied by her husband Nick and their very handsome sons, Aiden and Liam.

Kathleen Jackson

Kathy is a native to Columbia County, New York. She has an associates degree from Columbia Greene CC and also has taken Vet Tech classes from St Petersburg Junior College online in Florida. She has worked in veterinary hospitals since 1985. Kathy has been with our practices since August 2011. She resides in Phoenicia, New York with her husband and son, a Jack Russel Terrier, and 2 cats.

Breana Wynkoop

Breana graduated from SUNY Ulster’s veterinary technician program and became a licensed vet tech in January 2012. Breana was raised on a farm and current owns horses, cows, goats, chickens, ducks, and rabbits, in addition to her dogs and cats. In her spare time, she love riding horses, hiking, hunting, fishing, kayaking, and many other outdoor activities.

Stephanie Nardi-Cyrus


Stephanie is a Licensed Veterinary Technician who graduated from SUNY Ulster. She has worked with many species of animals but has a soft spot for our furry companions and the hospital setting. Outside of work, you can find Stephanie reading a book, practicing yoga, or cozied up with a vegan dessert. She shares her home with her wonderful husband, Nate, and her two rescue mutts, Bear and Salem.

Chasity Dyer

Kennel Staff
Chasity was born and raised in Port Ewen, NY. She is currently studying ethology at Ulster County Community College. Chasity loves all animals but has a soft spot for cats and reptiles. She currently owns a cat named Rousebud, two bearded dragons named Ringo and Lucifer, and a ball python named Hideo.

Crystal Zwissler

Kennel Staff
Bio coming soon.