Our Team

Roshana Lazaar

Aesthetic Injector & Patient Care Coordinator

Roshana Lazaar has been in the medical field for over 10 years after extensive studies to pursue a career as a Physician Assistant. Graduating from UTSA with a Bachelor’s in Exercise Science, Kinesiology in 2011, she spent the first decade in pediatrics. She has found a passion for cosmetic surgery, injectables, laser, and dermato-corrective skin treatments. As you will no doubt experience and observe, she quickly became the backbone of Non-Surgical Aesthetics here at Austin Cosmetic Surgery. She has become the Maverick, right hand-(wo)man, to the internationally known, past physician trainer, and veteran to the Non-Surgical Aesthetic field, Dr. Michelle Cabret. They, together, make the procedures easy, fun, fast, and the results TOP NOTCH.

With an engaging, amazing, fun, creative personality, she also enjoys marketing and design for Austin Cosmetic Surgery and her past work family at Bee Cave Pediatrics.

You will surely hear Roshana preach when you look beautiful, you feel beautiful; she gets such joy in assisting patients to achieve small and large goals every day. She understands one universal rule – women, in particular, want to look fresh, flawless and beautiful. Men also want to look the way they feel and just defy time. It is these principles that drive her! Roshana’s vast experience, empathy, kindness, combined with training by some of the industry’s most highly regarded professionals, ensures that her clients transform into their best selves.

As a New York Native and Austin transplant for nearly 15 years, she enjoys experiencing diverse cultures here and beyond and so in her spare time she likes to travel and spend time with her amazing family.

Tina Pottorff

Medical Aesthetician

Tina has been in the Medical Aesthetics field for over 10 years! Originally from San Antonio, TX, Tina moved to Lakeway, after marrying the love of her life, Michael. Tina decided to pursue her passion for aesthetics graduating from Avenue Five Institute in Austin, TX. She is a seasoned comprehensive medical aesthetician and has a passion and specializes in laser assisted resurfacing/ tightening and non-surgical body contouring. She beams with excitement and has been heard touting …..”I have the best job in the world….. Getting to help others to improve their skin and enhance their self image is an amazing thing. Technology keeps getting better, making my job easier and even more dramatic to help each of my patients/clients age not just gracefully but stunningly.”

Tina has been Master Certified in Coolsculpting and Velasmooth in addition to various other modalities of body contouring. She additionally has extensive training, knowledge, and experience with Fraxel, Core Co2, microneedling, IPL, ReSurFX, chemical peels, dermaplaning, and RF tightening. She is the Queen of the most cutting edge Morpheus 8, Lumenis Stellar M22, Yag Laser, Eclipse microneedling and PRP, use of Exosomes, and PRT-T33 chemical peel technology offered at Austin Cosmetic Surgery. Tina has worked with many of the best medical-grade skincare lines; such as Obagi, NeoCutis, EltaMD, SkinCeuticals and SkinBetter Science.

Tina loves Lakeway living, has a passion for fitness and traveling the world with her husband, Michael, and, of course, adores her fur child, Romeo. If you don’t see her at ACS, you are sure to catch her at Body20/Bee Cave.

Autumn Acosta

RN, BSN

Autumn joined the Austin Cosmetic Surgery team in 2018 as the night nurse for our surgical patients. She graduated from the University of Texas at San Antonio, Magna Cum Laude in 2012. She began her career in critical care and in 2016 she moved to surgical care. She found her love in post-operative care. She is one of our longest standing team members and absolutely loves what she does. She loves the family atmosphere at Austin Cosmetic Surgery and the patients that she takes care of. She has found her home here and loves to make our patients also feel that they are at home.

In her spare time she loves spending time with her two kids and her dog. She loves outdoor activities, enjoys Austin and all it has to offer.

If you stay the night with us you will be taken care of well!

Natalie Nieto

RN, BSN

Natalie Nieto is a skilled and compassionate Registered Nurse with over a decade of experience in critical care and a growing specialty in aesthetic medicine. Originally from Houston, Texas, Natalie began her academic journey with a Bachelor’s degree in Communication from Texas A&M University before pursuing her passion for healthcare at the University of Texas Health Science Center, where she earned her Bachelor of Science in Nursing.

After spending 10 years in the fast-paced world of critical care nursing, Natalie transitioned into the field of aesthetics, where she has spent the last two years refining her skills as a Nurse Injector. Now based in Austin, Texas, she is proud to be a part of the team at Austin Cosmetic Surgery, working alongside and learning from renowned cosmetic surgeon Dr. Michelle Cabret.

Natalie is deeply committed to helping patients achieve their aesthetic goals through personalized and comprehensive treatment plans. Her warm demeanor, clinical expertise, and eye for detail allow her to deliver natural, confidence-boosting results. Whether she's restoring youthful contours or enhancing natural beauty, Natalie thrives on making her patients look and feel their absolute best.

Savannah Lunn

RN, BSN

Savannah Lunn is a proud Austin native with a passion for helping others look and feel their best. She earned her psychology degree from Texas A&M University in 2021 and went on to complete her Bachelor of Science in Nursing at Texas Tech University in 2022. Her nursing career began in the operating room, where she gained experience across a wide variety of surgical specialties. She’s also gained valuable experience working in a fast-paced, high-acuity level one trauma center medical ICU. With her strong surgical background and compassionate approach, Savannah brings a calming and confident presence to every patient interaction.

Savannah channels her passion into leading the wellness program at Austin Cosmetic Surgery, where she blends her clinical expertise with a holistic approach to patient care. She is especially passionate about empowering others through longevity-focused treatments and personalized wellness plans, helping clients feel confident, healthy, and radiant at every stage of life.

Outside of work, you can usually find Savannah enjoying live music or laughing at a stand-up comedy show. Whether she’s in the office or out on the town, Savannah brings energy, warmth, and dedication to everything she does.

Julie Kaesberg MD

Anesthesiologist

Dr. Julie Kaesberg is a board certified anesthesiologist with deep interest and expertise in promoting and maintaining health, wellness, and longevity, without sacrificing aesthetics.

She went to medical school at Uniformed Services University and completed her residency at Naval Medical Center San Diego. While in the Navy, she served in Operation Iraqi Freedom, on the USS Mercy for Pacific Partnership, and as Chief Medical Officer of 3rd Medical Battalion in Okinawa, Japan. She is Fleet Marine Force qualified.

Her interests in alternative medicine were strong and during this time, she achieved certification in aesthetics and acupuncture. Dr. Kaesberg is a true “east meets west” physician and offers a unique perspective on mind, body, and spirit integration that will help catapult her in the emerging field of precision lifestyle medicine.

She is personally committed to a healthy lifestyle with nutrition, exercise, sleep, and emotional wellness; cornerstones she integrates into the EverSpan Life experience. With over a decade of anesthesia under her belt, she is ready to help her clients “wake up” to a better state of health and offers a unique skill set. Dr. Julie aims to challenge the traditional thought processes to achieve what was once unimaginable; transforming her clients into the super humans they are capable of becoming! She is currently exploring young plasma transfusions and 10 pass hyperbaric ozone transfusions while working on a fellowship in anti-aging and regenerative medicine.

Reagan Rovegno

Medical Assistant and Scrub Technologist

Reagan Rovegno is a Medical Assistant and Scrub Technologist at Austin Cosmetic Surgery, where she brings a strong foundation in patient care and surgical support to every procedure. A proud graduate of the University of Texas at San Antonio, Reagan earned her Bachelor’s degree in Public Health, fueling her passion for promoting wellness through both clinical precision and compassionate care. With a special interest in cosmetic and aesthetic medicine, she is committed to helping patients feel confident and supported throughout their transformation journey.

Lexi McCollum RN, BSN

Aesthetic Nurse Injector & Clinical Nurse Director

As an Arizona native, Lexi McCollum combines medical expertise, patient-centered care, and artistic precision in her role as an Aesthetic Nurse Injector and Clinical Nurse Director. With a strong foundation in critical care nursing and over four years of experience in the fast-paced emergency department, she brings a keen eye for detail, clinical expertise, and a steadfast commitment to safe, effective treatments.

Driven by her passion for aesthetics and patient wellness, Lexi specializes in advanced, evidence-based cosmetic treatments, including neuromodulators, dermal fillers, lasers, and other non-surgical rejuvenation procedures. Her background in critical care enhances her ability to assess patients comprehensively, ensuring personalized, safety-focused treatment plans.

As a Clinical Nurse Director, Lexi is dedicated to fostering a culture of excellence through leadership, education, and patient advocacy. She remains at the forefront of the ever-evolving field of medical aesthetics by pursuing ongoing training and continuing education. Her mission is to empower patients to feel confident and radiant while upholding the highest standards of care.

Outside of work, Lexi enjoys staying active at the gym and cherishing quality time with her husband and kids, embracing a balanced and fulfilling lifestyle.

Yvonne Ramirez

Medical Assistant

Yvonne Ramirez has been in the Medical field for over 7 years after spending 10+ years in General, Reconstructive and Cosmetic Dentistry. Born in Tucson, Az, raised in Nogales Sonora Mexico, she practices both languages fluently. Moved to Phoenix Az in 2014 to make Phoenix her home after traveling and working in dentistry in a few states around USA. Graduated from Dental Assistant School in Tucson, Az at the age of 20 to continue her journey on becoming a Dental Hygienist 4 years later. Even since then, her passion has been primarily to help and educate patients in any way possible to make a difference in their lives. She will always make sure her/our patients are a priority in our practice.

Yvonne enjoys traveling, staying active, some of her favorite sports are tennis, running and hiking. She loves cooking and trying out new restaurants which his where she gets some ideas for her passion for cooking.

She’s known to be kind, hard working, loyal, with an artistic personality and always learning to provide a better care and service for her patients and the practice.

Ciara Ivie

Operating Room Coordinator

Ciara grew up in Saint George, Utah but is happy to call Arizona home since moving here 10 years ago. Since she was a little girl Ciara knew she wanted to work in the medical field. After trying different professions she discovered that her passion was in surgery. She attended Brookline College to become a certified surgical technician. Ciara feels the operating room is a place she can be herself, but also take care of patients to the best of her ability to make sure that surgery runs smooth and safe. Being able to assist from start to finish, and working alongside the most amazing team is a dream come true!

Ciara has a son, Eligh. She enjoys doing eyelash extensions, horseback riding and being social with friends and family.

Angela Ko, MD

Anesthesiologist

Dr. Angela Cuellar Ko graduated from the University of Michigan Medical School in Ann Arbor and hence blue is her favorite color. She completed 3 years of ObGyn program at the University of Michigan when her passion for pulmonary dynamics changed her focus to Anesthesiology. She completed her training at the University of Iowa in Iowa City where both her children (my Herkeys) were born.

She maintains her southern warmth from her upbringing in San Antonio, Texas (Go Spurs!) and her undergraduate training at Trinity University (love them Tigers!). She maintains an active lifestyle via the active sporting lives of her two teenagers (football, soccer, tennis, and basketball). So her phone storage is always on the brink of fullness from the photos and videos of being a sideline videographer and historian.

Her passion for plastic surgery stems from a core belief that when one feels their best ....they give their best to the world. So lets spread happiness and well being!! I feel privileged to assisting others in their quest! Thank you to all my patients for this opportunity!

Bree Dowty, RN

Preop, Operating Room, Pacu, and Certified Aesthetic Nurse Injector

Bree is a Registered Nurse with a specialized focus in plastic surgery and aesthetic cosmetic injections, complemented by a background in cardiac care. She has developed a unique skill set that bridges the gap between critical care and aesthetic enhancement, allowing her to provide comprehensive care to patients seeking cosmetic procedures. In the operating room, Bree excels in assisting with a variety of plastic surgery procedures, ensuring patient safety and comfort while collaborating closely with surgeons and the surgical team. She is also experienced in Preoperative (Preop) care, where she prepares patients for surgery by providing education, answering questions, and performing intravenous (IV) insertions to ensure patients are properly hydrated and ready for anesthesia.

Additionally, Bree works in the Post-Anesthesia Care Unit (PACU), where she monitors patients as they recover from anesthesia, providing critical care and support during their initial recovery phase. Her experience in both preoperative care (Preop) and PACU enables her to provide a cohesive and uninterrupted continuum of care for her patients.

Beyond the operating room, Bree is passionate about aesthetic medicine, offering cosmetic injections that enhance patients' natural beauty. With an eye for detail and a commitment to artistry, she works closely with patients to understand their goals and provide tailored treatment plans that achieve desired outcomes while prioritizing safety and satisfaction.

Bree is dedicated to ongoing professional development, regularly participating in training and education to stay current with the latest techniques and advancements in plastic surgery and aesthetic practices. She is committed to fostering a supportive and informative environment, empowering patients with knowledge and confidence throughout their surgical journeys. Outside of her professional life, Bree enjoys spending quality time with her husband and two children. She finds joy in cooking, watching movies, and exploring new destinations through travel, creating lasting memories with her family. With a compassionate approach and a focus on individualized care, Bree strives to make each patients’ experience positive while helping them feel their best inside and out.

Anahi Gutierrez

Office Administrator

Originally from Tucson, Arizona, Anahi is a dedicated front office coordinator who takes great pride in working at The Cosmetic Center, which empowers patients through beauty and confidence. She is passionate about creating a warm, welcoming environment and ensuring each patient has a smooth and supportive experience from the moment they arrive to the moment they leave.

In addition to her front office responsibilities, Anahi plays an active role in the clinic’s social media and marketing efforts, using her creativity to promote services and connect with the community. She also has a strong passion for leadership. She is deeply committed to helping others grow and building a strong, supportive team to ensure every patient receives the highest level of care and attention.

As a proud first-generation college student, she is pursuing her education to become a nurse and is honored to come from a hardworking family with roots in Sonora, Mexico. Her journey is driven by a deep love for beauty, wellness, and helping others feel confident, both inside and out. Anahi aspires to grow within the aesthetic industry and master both front- and back-office responsibilities.

With a genuine love for beauty, wellness, and leadership, she is excited to continue evolving professionally and making a lasting impact on both her team and the patients she serves.