Robin Stewart, RDMS


Robin joined the team at Austin Perinatal Associates in 2007. She grew up in Toledo, Ohio and completed her degree in diagnostic ultrasound in 1984. She is certified by the American Registry for Diagnostic Medical Sonography (ARDMS) in obstetrics and gynecology and fetal echocardiography. She is a member of the American Institute of Ultrasound in Medicine (AIUM). Robin has practiced advanced sonography in Ohio, Virginia and Florida. She has been performing maternal-fetal medicine ultrasounds exclusively since 1998. Robin's passion for complex obstetrical ultrasound comes from watching her patients “fall in love” with their babies.

Shannon Fannin

Registered Nurse

Shannon graduated with honors with a Bachelor of Science in Nursing from Pacific Lutheran University in Washington State, where she grew up. She has been a Registered Nurse since 1999 and loves providing patient care. Shannon spent 16 years working in the hospital setting in Labor and Delivery and High Risk Antepartum. All of her clinical experience was at hospitals with a level 3 NICU where she helped manage patients in a variety of high risk and complicated situations. She served as charge nurse for several years prior to joining Austin Perinatal Associates. Shannon has worked alongside Dr. Berry since she moved to Austin in 2002 co-managing patients in the hospital with the patient's’ Obstetrician. She was excited to join the Austin Perinatal Team in 2015 and has enjoyed being a part of the patients’ care for the entire pregnancy. She also helped to develop the infusion clinic that is now offered at Austin Perinatal for hydration, hyperemesis, and iron. Together with Dr. Berry, Shannon is committed to providing thorough and compassionate care to the patient throughout her pregnancy.

Ruby Calderon

Insurance Specialist

Ruby joined us at Austin Perinatal in August of 2017 as our Insurance Specialist. She brings into our work family over 11 years of experience in medical administration, which includes five years in the dental field working closely with insurance companies. Her goal is to provide the best possible service for the patients of Austin Perinatal Associates and to assist each patient with their insurance needs and concerns. She enjoys seeing the smiling faces of the patients and especially the tiny ones. Ruby was born and raised in Austin, Texas where she loves to help “keep Austin weird”. She has been a part of all the beautiful growing changes in Austin. Ruby has five handsome growing boys who plan to settle back in Austin after attending college. Ruby would like to see her boys pursue something in the medical field as she has, where her passion has remained for so many years.

Taimi Steigmeyer

Patient Care Coordinator

Taimi joined Austin Perinatal Associates in 2015, as our patient care coordinator. She is the first person you will be welcomed by as you arrive to our office. Taimi has worked as a surgical technician and has 20 years’ experience as a therapeutic massage therapist. After having complications in both of her own pregnancies, she feels passionate about making sure patients feel safe and cared for when complications arise during their pregnancies. Taimi feels blessed that she had the opportunity to be a stay-at-home mom, as well as a school and community volunteer for many years, while raising her two sons. She is grateful for the continued bond she has with them into adulthood and still enjoys mother/son date nights. Her personal hobbies includes gardening, reading, hiking and doing anything outdoors.