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Our Staff

Tammy Schilling, DVM

A Duluth native, Dr. Schilling grew up on a farm where her family raised dairy cattle and hogs.  She attended the University of Minnesota-Duluth and earned her undergraduate degree in Biology.  After her time at UMD, Dr. Schilling attended the College of Veterinary Medicine at the University of Minnesota, she graduated in 2008.


Dr. Schilling keeps incredibly busy between her time spent at Twin Ports Spay/Neuter and spending time with her family. 

Lisa Lepak

Lisa returns to spay/neuter as the jack-of-all-trades after taking a break and being a self employed fiber artist.  Active in Puppa's Pals (a 501c3 that finds foster placement for people going through crisis), she brings her special brand of sarcastic humor, a love of bully breeds, and an upbeat attitude to work with her every day.  In her down time, she enjoys crafting, spending time with friends, doing craft shows and doing a ton of dog sitting in her home.  She shares her life with 3 dogs and 2 hedgehogs.

Jessie Fox 

An avid horsewoman, Jessie returns to Spay/Neuter after working in manufacturing. She brings her composed personality and calm nature ensuring that all animals get the proper medication during their visit at Twin Ports Spay/Neuter. In her free time, she spends time with her horses, her family and friends, and her bloodhound, Spur.

Joanna Anderson 

Long time Duluthian, Joanna has been working in the veterinary field for over 15+ years. She is passionate about ensuring that companion animals receive high quality care and attention. She has a geriatric yellow lab, high energy young boston terrier and very geriatric cat.

Ashley Buck

Ashley comes to us from the human medical field as our float/fill in. A busy mom with 3 kids, in her free time she enjoys doing crafts like resin and crocheting, spending time with her husband and kids, and gossiping with her next door neighbor, Lisa.

Sherry Martindale

Is a Duluth native. Sherry is the owner of Halfpint Haven that specializes in goats milk soaps and other body products. She has had horses, goats, and other animals. She currently has 2 dogs, Maggie and Nora, and a flock of chickens, in which she sells the eggs out of her barn at Halfpint Haven. Her love of animals has lead her to Twin Ports Spay/Neuter in an exciting new journey.

Phoenix Stocke

Leaving retail to pursue her dream of working with animals. Phoenix's life-long love of animals and obsession with cats had brought her down this path and she couldn't be more excited. She enjoys writing, spending time with family, attending car shows, and being at home with her cats in her spare time.

Rikki Simmonsen

A motivated individual who has always enjoyed spending her time around animals. Eager to join our team, Rikki aspires to work closely with dogs. Her long term goal is to manage her own dog facility. Her spare time at home is spent walking her dogs and playing with her children.

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