Our team is focused on patient care and satisfaction. Our team members share in Dr. Dastoury and Dr. Zwiebel‘s dedication and passion to details which contributes to great results. Our experienced team brings many years of knowledge in aesthetic surgery and patient care. Our team members are like a family and each new patient becomes part of our extended family. Our goal is to maintain a warm environment where we are able to provide individualized patient care.
Our patients in the Denver, Colorado area enjoy our full range of services. Our practice strives to provide a comprehensive approach to meet our patients needs. We offer individualized options from a multi-disciplinary approach from the moment you schedule your first consultation to well after your post-operative exams.
Meet The Team
Amy Hardesty
Patient Coordinator
Amy graduated from the University of Maryland and remains a proud and dedicated Terps fan. She moved to Colorado in 1999 and quickly embraced everything the state has to offer. Outside of work, she loves spending time with her husband and children, enjoying the outdoors, and staying connected with friends. She is also an avid equestrian and adores her horse, Rio, reflecting her lifelong love for animals.
At Modern Surgical Arts of Denver, Amy is our exceptional Patient Care Coordinator. With decades of experience, she expertly guides patients through every step of their treatment plan. Her deep knowledge, attention to detail, and genuine compassion ensure that every patient’s journey feels seamless, supported, and truly cared for.
Known for her warmth and kindness, Amy has a unique ability to make patients feel welcomed, informed, and at ease—bringing heart, expertise, and comfort to every interaction.
Julia Vaiser
Lead Medical Assistant
Julia is a proud Colorado native and CU Boulder alumna, with a deep love for the outdoors. In her free time, she enjoys hunting, fishing, attending concerts, and traveling. She and her husband love taking road trips in their RV with their two dogs—Pig and Moose—who are always part of the adventure.
As our Lead Medical Assistant, Julia ensures every patient feels fully prepared and supported for surgery. She takes great pride in helping patients feel calm, informed, and confident—not only before their procedure but throughout their entire postoperative journey.
Julia is also a skilled Surgical Technician and is often found assisting in the operating room. Her steady guidance, clinical expertise, and compassionate approach help every patient who walks through our door feel ready for their life-changing decision and more comfortable in their own body.
Julia brings dedication, warmth, and excellence to every aspect of patient care.
Catherine Obernesser, B.S.
Practice Coordinator
Originally from North Carolina (Go Tar Heels!), Catherine has proudly called Colorado home for over a decade. She serves on the American Academy of Cosmetic Surgery as a Committee Member for Allied Health and volunteers her time with Luvin Arms Animal Sanctuary.
A sponsored triathlete, Catherine competes annually and has a true passion for running. She has completed eleven 14ers and loves spending time outdoors. She also enjoys traveling—especially taking road trips with her husband and their dog, Winnie.
At Modern Surgical Arts of Denver, Catherine is our Practice & Operating Room Director, where patient safety and an exceptional experience are always her top priorities. She also leads our Physician-Guided Wellness Program, helping patients navigate their wellness journey and hosting free monthly workouts to support everyone in reaching their goals.
Gracyn Goyer
Licensed Aesthetician
Originally from Florida, Gracyn has spent nearly a decade embracing the beauty and adventure of Colorado. An avid hiker, she loves spending her free time outdoors—fishing, attending concerts, camping with friends, and exploring the mountains with her two beloved dogs, Kota and Boone.
At Modern Surgical Arts of Denver, Gracyn serves as both a Licensed Aesthetician and Medical Assistant, making her a uniquely versatile and valued member of our team. Whether patients are visiting for skincare, pre-operative education, or postoperative support, Gracyn is there every step of the way. Her warm, genuine approach ensures every patient feels heard, seen, and truly cared for throughout their journey with us.
Gracyn is known for her meticulous attention to detail, compassionate communication style, and dedication to helping others feel confident in their skin and in their surgical experience. Her ability to blend clinical knowledge with aesthetic expertise allows her to create a comfortable, supportive environment where patients feel empowered and understood.
With her passion for patient care and her commitment to individualized treatment, Gracyn brings heart, skill, and authenticity to every interaction—making her an essential part of our patient experience from start to finish.
Eliana
Certified Lymphatic Specialist
Eliana Arvizu is an MSU alum and a dedicated wellness professional with a deep passion for lymphatic drainage and integrative healthcare. Fully fluent in Spanish, Eliana values creating a safe, nurturing, and comforting experience for every client to feel truly cared for by supporting their physical, mental, and emotional well-being through natural, holistic approaches. Her approach combines natural wellness practices with a genuine belief in the body’s ability to heal, restore, and thrive.
She finds her greatest joy in spending quality time with her family and friends, especially her nephew, who brings her endless joy. When she’s not with loved ones, you’ll likely find her exploring a new destination. She is an avid traveler and loves exploring new cultures, landscapes, and perspectives. She’s also a devoted coffee shop enthusiast and enjoys discovering cozy cafés wherever she goes. When she is not with patients, Eliana enjoys the company of her sweet dog, Lilo, who brings extra love and laughter to her daily life. Fun Facts: Eliana has visited over 25 countries and hopes to continue adding more stamps to her passport!
Kristina Erasmus
Front Desk & Social Media Coordinator
Kristina is our dedicated Front Desk & Social Media Coordinator, and she is often the first friendly face and voice you’ll encounter when you visit Modern Surgical Arts of Denver. She takes great pride in ensuring every patient feels comfortable, welcomed, and supported from the moment they reach out. Whether answering questions, assisting with concerns, or guiding patients through their injectable journey, Kristina is always ready to help with warmth and patience.
Along with her front office responsibilities, Kristina is also our Injectable Coordinator, helping patients navigate treatments, understand their options, and feel confident in their choices. She brings clarity, kindness, and exceptional customer service to each interaction.
Outside the office, Kristina loves spending time outdoors with her husband and their two dogs, Ashford and Lilly. Together, they enjoy road trips, scenic adventures, and exploring America’s beautiful national parks.
Kristina also manages all of our social media content, and if you enjoy our fun, creative videos—she’s the talent behind them! Her creativity, passion, and heart are woven into everything she does.
We consider Kristina an invaluable member of our team—a caring, dependable, and uplifting presence who ensures every patient who walks through our door feels genuinely cared for.
Ralph Ascione
Ralph Ascione
CRNA
Ralph has over 10 years of anesthesia experience in hospital settings at UCHealth and Rose Medical. He has been involved in several quality initiatives at these sites to improve anesthesia care. Ralph has experience in a variety of office based clinics including ketamine infusions, dental implants, and outpatient procedures. He takes pride in delivering anesthesia care that enhances patient safety and satisfaction. He enjoys snowboarding, fly fishing, and woodworking in his spare time.
Fun Fact: Ralph is an avid fly fisherman and outdoorsman.
Dr. Kamran Dastoury is a double board-certified cosmetic surgeon with advanced training in both maxillofacial and aesthetic surgery, bringing unmatched expertise to every patient he serves. After earning his dental and medical degrees from USC and LSU, he went on to complete over seven years of intensive surgical training, including a fellowship in facial and body cosmetic surgery under the mentorship of world-renowned leaders in the field. His specialties include facelifts, rhinoplasty, eyelid surgery, liposuction, and body contouring—always delivered with a highly personalized approach that prioritizes safety, artistry, and natural-looking results. Beyond his surgical excellence, Dr. Dastoury is deeply committed to advancing the field through research, teaching, and global mission work, making him a trusted and compassionate choice for patients seeking transformative results.