Meet Our Staff

Our Veterinarians

Lisa Harrenstien, DVM, Dipl. ACZM

Lisa Harrenstien

Dr. Lisa Harrenstien founded Avian and Exotic Veterinary Care in April 2016. Dr. Harrenstien has 32 years of experience as a veterinarian, including employment in private small animal/exotics practice, university exotics practice, postdoctoral training in zoological pathology, consultant work related to avian and exotic species, and zoo practice. She was an associate veterinarian at the Oregon Zoo for 13 years, and is a Board Certified Specialist in Zoological Medicine(TM), an ACZM Diplomate. The ACZM is the American College of Zoological Medicine, which is the veterinary specialty organization related to the care of avian/exotic companion animals, as well as free-ranging wildlife and animals in zoological facilities. Dr. Harrenstien was the first veterinarian in Oregon to have achieved this specialist ranking, and remains the only private practice veterinarian in the Pacific Northwest with this status. 

Dr. Harrenstien belongs to numerous veterinary organizations, including the Portland Veterinary Medical Association and the American Veterinary Medical Association. She is on the executive committee of the American College of Zoological Medicine, serving as the organization’s treasurer. 

Dr. Harrenstien’s favorite patients over the years have usually been the ones that heal well from serious illnesses and still appreciate her veterinary visits, including a California sea otter named “Thelma” who needed a lung removed, a young double yellow headed Amazon parrot named “Miss Lilly” who had her upper beak bitten off by a macaw, and a Houston toad named “Ratatouille” whose face and toes healed well after a predatory attack by a rat.

Paul Gibbons, DVM, MS, Dipl. ABVP (Reptile/Amphibian)

Paul Gibbons

Dr. Paul Gibbons joined AEVC in January 2018 as our associate veterinarian, bringing 23 years of veterinary experience to our team. Dr. Gibbons obtained his DVM degree at the University of Illinois, completed a clinical residency in avian, herpetological, and non-domestic mammal medicine at University of California–Davis, and obtained his Master of Science degree from UC-Davis emphasizing diagnostic assay validation and wildlife disease ecology. Early in his career he worked in mixed animal practice in the Midwest, then founded an exotics private practice in Wisconsin, then became Managing Director and Chief Operating Officer of the Turtle Conservancy, a global conservation NGO.

Dr. Gibbons is a board-certified specialist in Reptile and Amphibian practice through the American Board of Veterinary Practitioners (ABVP), being a founding Diplomate, and from 2002 to 2012 was ABVP board certified in avian medicine. Dr. Gibbons is very active in professional veterinary organizations, including being Past-President of the Association of Reptilian and Amphibian Veterinarians. His work is published in numerous scientific journals, conference proceedings, and lay periodicals, and he has been an invited educator at conferences and conservation facilities throughout the world. In 2009, Dr. Gibbons was selected by his peers for the “Exotic DVM of the Year Award.” He serves the Association of Zoos and Aquariums as program leader of the Ploughshare Tortoise Species Survival Plan, on the Radiated Tortoise SSP Advisory Committee, and on the Steering Committee of the Chelonian Advisory Group. He is a member of the International Union for Conservation of Nature (IUCN) Tortoise and Freshwater Turtle Specialist Group and the Conservation Planning Specialist Group.

Dr. Gibbons is passionate about helping people to sort through myriad sources of information to solve health problems and ensure the best possible care for exotic animals.

Rebecca Mattucks, DVM

Rebecca Mattucks, DVM

Dr. Mattucks originally hails from Kansas City and went to the University of Missouri for both her undergraduate and veterinary degrees. After veterinary school, she completed a rotating small animal internship at Garden State Veterinary Specialists in New Jersey, then an avian and exotic specialty internship at The Animal Medical Center in Manhattan, New York, then a residency in avian medicine at Island Exotic Veterinary Care in Long Island, New York. She is actively working on multiple publications and preparing to become an ABVP specialist in avian medicine. Dr. Mattucks’ love of exotic species started from a young age and led to several trips to South Africa to study wildlife management and medicine. While practicing medicine, she finds joy in educating owners about the unique needs our exotic pets have to live happy lives. She hopes to one day extend her career to include actively giving back to conservation efforts around the globe. She moved here to Portland in late 2020 with her husband, dog, cat, two birds, and far too many house plants. In her free time, she is excitedly exploring all the Pacific Northwest has to offer, hiking, restoring furniture, and exercising a self-proclaimed green thumb.

Veterinary Technicians

Rachel Anderson, CVT

Rachel Anderson, CVT

Rachel has a huge passion for exotic creatures big and small. Her first pet was a rat, the rest is history! From there she had many hamsters, dogs, and canaries as pets over the years and she recently branched out into the reptile world by adding a baby ball python (which she named Hydra) to her family. Rachel attended Bel-Rea Institute of Animal Technology in Denver, Colorado where she received her Associate of Applied Science (AAS) in Veterinary Technology and graduated with honors in March of 2020. She became a Certified Veterinary Technician in December of 2020. Rachel hopes to become a Veterinary Technician Specialist (VTS) in Exotic Companion Animals someday. Rachel has several years of veterinary experience ranging from being a front-desk receptionist to a kennel technician caring for exotic species boarders. Rachel and her husband are both born and raised Oregonians. When Rachel isn't taking care of your pets, she loves to listen to music, travel (especially to the Oregon Coast), explore new places, take pictures, and play video games or watch Marvel (MCU) movies with her husband. Rachel also loves to collect pressed pennies and has an ever growing collection of such. Rachel is excited to be a member of the AEVC team!

Naomi Paine, CVT

Naomi Paine, CVT

Naomi is a native Oregonian who grew up with a passion for animals.  She started working in emergency veterinary medicine in 2002, and in 2006 she graduated from the Portland Community College Veterinary Technology Program with a degree in veterinary technology.  Naomi spent 8 years as a volunteer ZooGuide at Oregon Zoo, where she participated in multiple programs including conservation education and animal behavior observations. In addition to her time at the zoo, she worked in small animal/exotics veterinary clinics. In her spare time Naomi enjoys spending time on wild and scenic rivers in her kayak with her husband and son.  Naomi is excited to be part of the Avian and Exotic Veterinary Care team, and to work with and learn more about the variety of species we see.

Receptionists & Veterinary Assistants

Felicia Hamilton

Felicia Hamilton

Felicia Hamilton was born and raised in Oklahoma. She has been in love with the science of veterinary medicine since she was a child. She began her work with exotic animals in high school through the junior curator volunteer program at the Oklahoma City Zoo, then she obtained a Bachelors of Science degree in zoology, and began working for an emergency clinic in Oklahoma after college. After gaining experience in intensive care and surgical medicine of dogs, cats and smaller numbers of exotics, she moved to the Portland area in 2020 to focus on learning more about exotic animal medicine.  Outside of her love of veterinary medicine, she has two main passions: music and tabletop gaming. She has played the double bass since 2001 through school, semi-professional, and community groups. She is joined in her move to the Pacific Northwest by her husband, who supports her every endeavor.

Courtney Hudson

Courtney Hudson

Hudson has had a love for all creatures from a young age, having rats, mice, many cats and dogs, and her newest addition, a bearded dragon named Al. Currently in pursuit of her Associates degree in Veterinary Technology so that she can become a Certified Veterinary Technician, Hudson hopes to eventually specialize in exotics and zoo medicine to provide the best care and knowledge to all the creatures in her care. When she's not studying or working, you can find Hudson playing fantasy video games, reading fantastical books, or playing/watching Dungeons and Dragons. AEVC is an exciting opportunity for Hudson to pursue her passion in the care, education and treatment of all the unique creatures that reside on this earth.

Stephanie Kaufman

Stephanie Kaufman

Stephanie was born and raised in the Florida panhandle. Her love of animals and interest in conservation was fostered by caring for her pets, watching nature documentaries, and spending time at any zoo she could get to. She earned her Bachelor of Science in Zoology from the University of Florida during which time she volunteered with the UF Small Animal Hospital’s Zoo Medicine service, Alaqua Animal Refuge, and participated in the Smithsonian Conservation Biology Institute’s Health and Welfare of Great Apes research internship. She is now studying at the Royal Veterinary College in London to become a veterinarian and hopes to specialize in zoological medicine following graduation. Stephanie is looking forward to learning from and working with the AEVC team.

Andrea McCravy

Andrea McCravy

Andrea was born and raised in Limestone County, Alabama where she spent her summers immersed in the flora and fauna of the Tennessee River Valley with her dad. She graduated in May 2020 from Auburn University with a degree in Wildlife Ecology and Management. During her time at Auburn, she volunteered at the Southeastern Raptor Center and worked with numerous non-releasable raptors, including the eagles that fly over Jordan-Hare Stadium before Auburn football games. After graduation, she moved to Tennessee to work with even more raptors at the American Eagle Foundation, the same place where she interned and held a seasonal position. Andrea eventually found her way out to The Dalles, Oregon where she began working with the ambassador raptors at the Columbia Gorge Discovery Center to educate visitors about all aspects of raptor conservation. Now she lives in Portland with her partner and is excited to be a part of the extraordinary team at AEVC, while also going back to school to pursue her dream of becoming a licensed veterinary technician!

Jackie Reed

Jackie Reed

Jackie is an Oregon native who has over 15 years of veterinary reception and client care experience. She has worked in both emergency and small animal practices, but has always wanted to learn more about the specialty of exotic animal medicine. She earned a Bachelor of Science degree in Zoology from Oregon State University, and she also spent a year at Oregon Coast Community College where she earned a Certificate in Aquarium Science and participated in various volunteer and internship opportunities involving marine and freshwater fish and invertebrates. She absolutely loves being in a profession where she gets to help pets and their humans, and she has a great passion for all varieties of animal health and medicine. Her current pet family consists of one dog, a cat and two betta fish. She is very excited to start this new adventure with AEVC!

Kathleen Studdert

Kathleen Studdert

Kathleen has had a lifelong love for animals. Her first pets were a guinea pig and silkworms when she was four years old, and she started fostering orphaned kittens when she was twelve. Kathleen's passion for wildlife and conservation guided her to earn a bachelor’s degree in environmental studies. With a desire to get hands on experience with a wide range of animal species, Kathleen completed the 2 year Biology and Management of Zoo Animals program at PCC. Through the program Kathleen completed a student internship at the Oregon Zoo, and she has been involved in wildlife rehabilitation at the Audubon Society of Portland for almost five years.  Throughout Kathleen’s life, she has had a variety of pets from box turtles and rats to parakeets. Currently, Kathleen has a dog, two cats, five goldfish, and a 20-year-old corn snake. 

Juli, CVT

Juli, CVT

Juli's biography is coming soon!

Inventory and Projects Manager

Mandy Dickson

Mandy Dickson

Mandy has been a veterinary assistant with AEVC for years, and is now our Inventory and Projects Manager. Mandy is a born and raised native of Portland, Oregon. She first worked with exotic animals when she was a ZooTeen at the Oregon Zoo in high school, and she was able to follow her passion by attending PCC's Biology and Management of Zoo Animals program, obtaining an Associate of Applied Sciences degree. Mandy completed a year long co-op internship at the Oregon Zoo and a 3 month internship at Point Defiance Zoo and Aquarium in Tacoma, WA working with a wide variety of species in their Asian Forest Sanctuary exhibit. Mandy previously worked in emergency veterinary medicine but is now extending her insight and her abilities at AEVC. In her spare time, Mandy enjoys reading manga, watching anime and doing puzzles.