Austin Sullivan

Autotransfusion Manager with HET since 2010

Austin Sullivan began his career in the medical field as an anesthesia technologist in 2010 at Methodist Willowbrook. Austin Joined HET in 2014 as an autotranfusionist. Austin has had the privilege to grow with HET as the Autotranfusionist Manager. Austin enjoys time on the beach with his wife and two kids.

Isabelle Amroian

Staff Autotransfusionist with HET since 2024

Isabelle Amroian was born in Houston and has lived here her whole life. She is currently going to Sam Houston state university studying health sciences with hopes of becoming a cardiovascular perfusionist. I have 3 years of experience from the intensive care unit doing ekg monitoring as well as monitoring patient trends in med-surg. On her free time she enjoys reading , traveling, playing pool with her friends, swimming or doing anything that involves being on the water.

Jack Beeny

Staff Autotransfusionist with HET since 2020

Jack Beeny began autotransfusion work in 2018 and has loved it ever since. When not working, I spend my time caring for animals in need, making art, and studying yoga. My goal in life is to leave the world a better place than how I found it.

Jon Bolkovac

Staff Autotransfusionist with HET since 2019

Jonathan Bolkovac is certified through the International Board of Blood Management and AmSECT as a Perioperative Blood Management Technician. Jon has recently joined HET, coming from a perfusionist assistant position at the University of Alabama.  There he was responsible for assisting the perfusionists with setting up and tearing down circuits for cardiopulmonary bypass, intra-aortic balloon pump set up and transport, extracorporeal membrane oxygen decannulation in the operating room, ABG&ACT blood testing, and autologous blood salvage. Jon has eight years of experience as a clinical technician.
Jon enjoys a good Netflix binge at home with his wife and children but can also be found out and about sampling all of Houston’s culinary offerings.

Darcy Sullivan Brousseau

Staff Autotransfusionist with HET since 2019

Darcy started her clinical career at HET and has learned the clinical aspect of Autotransfusion very quickly. Darcy is currently helping to grow the business in Dallas and is currently residing there to continue her career. In her free time Darcy is an avid reader and a video game enthusiast.

Jacky Castillo

Staff Autotransfusionist with HET since 2024

As an enthusiastic Auto Transfusionist, Jacky is dedicated to providing top-tier services with a passion for innovation and precision. With a strong commitment to improving patient outcomes and an eagerness to expand her knowledge in the field, she constantly strive to enhance my expertise in transfusion practices.Outside of work, I maintain a balanced lifestyle through my hobbies, which include working out, attending car shows, and cherishing quality time with my children. These activities fuel my drive, ensuring that I stay motivated and focused both professionally and personally.

Austen Dittmar

Staff Autotransfusionist with HET since 2022

Austen grew up west of Houston in Columbus, TX. After high school he earned a bachelors degree in Business Management from Sam Houston State University in 2011. He just started his career in the medical field with HET as an autotransfusionist in early 2022 and has enjoyed everything about it. In his off time he enjoys duck hunting, golf, and sports.

Margarita Estrada

Staff Autotransfusionist with HET since 2019

Margarita is just starting her career in the area of Autotransfusion and has learned everything in stride. Margarita loves spending her spare time with family and friends and doing CrossFit.

Stefany Ichaso

Staff Autotransfusionist with HET since 2018

Stefany Ichaso Barrientos graduated from the career of business administration in Bolivia with more than 6 years of experience working in a cardiovascular clinic in that country. performing studies of holter, electrocardiogram, tiltest, echocardiogram. She started with HET in 2018 where she was trained to practice as an autotransfusionist. Stefany loves to travel and meet different cultures.

Adam Krebs

Staff Autotransfusionist with HET since 2024

Adam Krebs is part of the Dallas Autotransfusion team. He started his clinical career at HET and is working to learn the clinical aspect of Autotransfusion. Adam likes to spend his free time volunteering at card game events.

Fernando Lozano

Staff Autotransfusionist with HET since 2022

Born in Houston, raised in cypress and went to Cy-Springs High School. I enjoy hanging out with friends, and I am a Crypto fanatic.

Carolyn Malone

Staff Autotransfusionist with HET since 2024

Carolyn Malone began her career in the medical field as a nurse assistant in 1988. I earned an Associate of Arts in general studies in 1992. In July 1990, I began my career of 33 years working in the Operating room at The University of Texas Medical Branch in Galveston, TX as an Anesthesia Tech II. In 1992, I was promoted and trained to be an Autotransfusionist. In 1994, I became an Anesthesia Tech III. In 2006, I advanced to an Anesthesia Coordinator. Last but not least, I was blessed and fortunate to be awarded the Anesthesia Tech Support Services as their Supervisor in 2018 until my retirement in November 2023. Carolyn joined H.E.T. in 2024 and is delighted by the experience and relationship she has developed with her work family. She’s a family-oriented woman and very active in her church and the community. She’s an avid cook and owns a dessert business. Traveling and seeing the world is one of her favorite adventures.

Reggidor Magislat

Staff Autotransfusionist with HET since 2017

Reggidor started his clinical career as a Hemodialysis Technician. He has been an Autotransfusionist with HET for almost 3 years. In his free time Reggidor likes to go fishing and bowling.

Paula McNair

Clinical Educator, Trainer, and Staff Autotransfusionist with HET since 2013

Paula McNair is an Autotransfusionist for Houston Extracorporeal Technologies, where she processes autologous blood in operating rooms at numerous hospitals in Houston and the Dallas areas. In addition, Paula also specializes in Platelet Rich Plasma and Bone Marrow Aspiration therapies. Before joining HET in 2013, Paula began her ATS career in 2012 with Advanced Blood Care. Paula has now accomplished a role within HET as a clinical educator and trainer. In her spare time, Paula is a motorcycle enthusiast and avid saltwater fisherman.

Romeo Pablo

Staff Autotransfusionist with HET since 2014

Romeo started his clinical career at the Bureau of Research and Laboratory as a Bacteriological laboratory Technician in 1980. From 1981-1985 he was a staff Perfusionist for the Philippine Heart Center for Asia. He then went on to be a KSA Perfusionist at the Jeddah Heart Institute from 1985-2002. Finally, before starting his career at HET Romeo was a Perfusionist at King Fahd Armed Forces Hospital Jeddah in Saudi Arabia from 2002-2014. Romeo likes spending his free time playing chess and bowling.

Vincent Phan

Staff Autotransfusionist with HET since 2024

Vincent graduated with a bachelor’s in biology in 2021 and got a job as an autotransfusion technician. In his free time, he enjoys playing chess (sometimes blindfolded) and building terrariums and aquariums.

Maciek Skrydalewicz

Staff Autotransfusionist with HET 2017

Graduated Academy of Humanities and Economics in Lodz, Poland – Computer Engineering degree (computer science in medicine).

Jagiellonian University in Krakow, Poland – Post graduate studies – Computer Science

One of the producers webinars Perfweb and PerfusionEducation.com.

Hobby: Computers, travels

Katherine (Kat) Stephanian

Staff Autotransfusionist with HET 2022

Kat is a member of the Dallas Autotransfusion team. Kat started her clinical career at HET. Kat is learning the clinical aspect of Autotransfusion and helping to grow the Dallas team. In her spare time Kat enjoys movies and sporting activities.