Meet the Team


Brian E. Smith, DVM

Dr. Smith is a Purple Jacket Sponsor of Ridge Point High School in Missouri City

Dr. Smith began working at Sienna Plantation Animal Hospital in the summer of 2007 and purchased the practice one year later. Prior to working at Sienna Plantation Animal Hospital, he worked at large veterinary hospitals that focused on dog and cat medicine in Stafford, TX, and Lake Jackson, TX. Dr. Smith holds a Doctor of Veterinary Medicine from North Carolina State University in Raleigh, NC, and a Bachelor of Science from Trinity University in San Antonio, TX.

He is a member of the the American Veterinary Medical Association, a lifetime member of the Texas Veterinary Medical Association, and is a member of the Sienna Business Network. Dr. Smith has lived in Sienna Plantation since 2005. Dr. Smith is very proud of his ties to the local community and is very active coaching youth teams, regularly attending St. Catherine of Sienna Episcopal Church, and donating to local schools and charities.

Outside of work Dr. Smith is at his happiest when he is spending time with his wife Sarah and their children, Abigail, Juliet, Ian, and Violet. Other members of the family include dogs Penny and Daisy, and his cat, Jake.

Becky Zachary, DVM

Dr. Becky Green Zachary has been an associate veterinarian at Sienna Plantation Animal Hospital since 2011. She feels very blessed to live and work in Sienna Plantation. She was raised in Fort Bend County and graduated from Lamar Consolidated High School. Dr. Zachary attended Texas A&M University and graduated with her BS in Biomedical Science in 1997 and then went on to receive her Doctor of Veterinary Medicine from Texas A&M in 2001.

Being a veterinarian was Dr. Zachary's childhood dream, and she feels very fortunate to have followed her calling to have a career doing what she loves every day. Some of her special interests include surgery, wellness care, and dermatology. Dr. Zachary lives in Sienna Plantation with her two children, Baron and Evalyn. She is an active member of The Harvest United Methodist Church and is an active volunteer for various organizations in the community. Dr. Zachary is also a volunteer on the veterinary committee with the Houston Livestock Show and Rodeo and loves the time she gets to spend with the young men and women who receive scholarships through the organization. She and her family currently have 2 dogs - Carley, an English Springer Spaniel and Dynomite, a Rottweiler who was born without eyes.

Jessica Rivera, DVM

Dr. Rivera has been an associate at Sienna Plantation Animal Hospital since 2014. Prior to her career at SPAH, she worked at an animal hospital in Katy, TX where she provided care for the Katy Police Department Canine Unit. Dr. Rivera has a passion for working with service dogs. She continues to provide veterinary services for canine officers in three different counties.

Dr. Rivera earned her Master's Degree in Biomedical Science in 2006 from Texas A&M University and graduated with her Doctor of Veterinary Medicine degree from Texas A&M University in 2011. While working towards her Master’s degree, Dr. Rivera led several research projects, including cardiovascular physiology research with the Texas A&M University DeBakey Research Program.

Dr. Rivera’s strong Christian faith led her to veterinary medicine. She feels helping animals is her true calling and feels blessed to be able to treat God’s creatures. She and her husband Victor Porras, Jr. are members of Second Baptist Church in Katy and live in Sienna Plantation with their daughter. Victor is a Defense Attorney for Fort Bend, Montgomery and Harris Counties and is also a Texas A&M University graduate! In her free time, Dr. Rivera loves spending time with her family and friends, enjoys traveling to other countries, and loves to saltwater fish.

Practice Manager

Landis graduated from St. Petersburg College with her Associates of Science in Veterinary Technology in 2007 . One month later, she passed the Texas Veterinary Technican Exam and National Veterinary Technician Exam , designating her a Licensed Veterinary Technician.

Landis graduated from St. Petersburg College with her Bachelor's of Applied Science in Veterinary Technology in 2010. Aside from her formal education, Landis has over 15 years of experience in the veterinary field. She has worked in small animal practices, an animal emergency practice, and a veterinary specialist (internal medicine, cardiology).

Landis also taught at the Vet Tech Institute of Houston for 2 years. Her classes included : Small Animal Medicine, Surgery & Anesthesia, Laboratory Animal and Office Management. She was also the veterinary technician student organization (VTSO) faculty advisor, and accompanied students on many volunteer / educational trips. Landis feels that educating and advising future Registered Veterinary Technicians was especially rewarding. Landis has 2 rescue dogs, Mickey and Maya, and Gracie the cat. She enjoys spending time outdoors, reading, and restoring her home.

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