Our Veterinarians

Helen Griffin, DVM

Medical Director/Veterinarian

Originally from Fort Worth, TX, Dr. Griffin attended Texas A&M University for both her undergraduate and veterinary studies. During her time in College Station, she was inducted into Phi Beta Kappa and Phi Zeta honor societies and obtained her DVM in 2021. She then returned to Fort Worth and practiced at a small animal clinic for 2 years before joining the team at Triangle. Dr. Griffin’s interests include exotic pet medicine – she treats rabbits, pocket pets, reptiles, and birds (including backyard chickens!). Outside of work, she enjoys spending time with Rex, her German shorthaired pointer, as well as knitting, wildlife photography, and traveling. 

Angela Coleman, DVM


Dr. Angela Coleman graduated from Texas A&M College of Veterinary Medicine in 1988. Except for a few years in Pennsylvania and Paris, France, she has practiced in the Houston area. She grew up in League City and Friendswood and moved to The Woodlands in 1995 with her husband.

Dr. Coleman enjoys the wide scope of veterinary medicine and connecting with clients and their furry family members. She feels strongly about helping educate clients on their pet’s health and keeping her own education up to date with current veterinary topics. She is a member of the Montgomery County Veterinary Medical Association, Texas VMA, and serves on the board of directors of the Harris County

Angela and her husband of 37 years, Michael, have two grown sons, Alec and Zachary. Her furry family includes Archie, a German wirehaired pointer, and two cats, Amelia and Tucker. Angela enjoys travel, running marathons, and agility competitions with Archie.


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