Meet the Team

At The Maas Clinic™, our dedicated team of professionals is committed to providing exceptional care tailored to your unique needs. Led by the expertise of Dr. Corey S. Maas, our staff brings a wealth of experience in the field of aesthetic medicine. From skilled practitioners to caring support staff, each member plays a crucial role in ensuring your experience at The Maas Clinic™ is marked by personalized attention, safety, and outstanding results. Get to know the faces behind your journey towards enhanced beauty and confidence.

Tina

Tina

Practice Manager

Tina joined The Maas Clinic™ as our Practice Manager, offering over ten years of management experience. After attending Hunter College in New York City, she began her career in the health and fitness industry. Her love of beauty and skincare and her passion for helping others feel good about themselves eventually led her to manage a successful 5th Avenue Medspa and Surgical Center. As part of The Maas Clinic™, she is dedicated to providing patients with a great experience and knowledgeable staff. When she is not at work, she loves traveling and exploring her new home state of California.

Randall

Randall

Front Office Manager

Born and raised in the Bay Area, Randall earned a Bachelor’s degree in Political Science from San Francisco State University. After spending time as a stay-at-home mom to her son Jack, she began her aesthetics career in 2021, helping develop practices throughout Silicon Valley and the South Bay.

Now excited to return to San Francisco, Randall brings her experience and passion for aesthetics to the team. She is dedicated to helping patients look and feel their best, building personal connections, and supporting staff.

Outside of work, Randall enjoys playing golf, traveling, discovering new restaurants, and cheering on the 49ers with family and friends.

Amy

Amy

Lead Patient Care Coordinator

Amy is a native San Franciscan that joined the beauty industry as a Patient Care Coordinator and Beauty Consultant in 2008. Amy graduated from San Francisco State University with a Bachelor’s Degree in Industrial Arts with a concentration in Product Design and Development. She has always had a passion for the art of beauty and aesthetics.

Amy later earned her medical esthetician’s license and consultant license which allow her to help guide and provide options to help patients reach their ideal aesthetics and beauty regimen goals. Using her many years of patient coordinator experience, she works closely with each patient and is side by side every step of the way, from scheduling your initial consultation through each step of planning for your cosmetic procedure.

As your Patient Care Coordinator, she is proud and honored to be part of every patients’ journey to look and feel their best. She sees patients like family. Her passion for working with patients really shows as she offers exceptional patient care in a comfortable and welcoming atmosphere. A proud mother of 2 boys, Amy loves spending time with her family enjoying all this beautiful city has to offer, cooking for her family and watching her favorite baseball team, the SF giants.

Alison

Alison

Patient Care Coordinator, Appearance Care Center

Ali is a Bay Area native and a graduate of Chico State University, where she earned her degree in Criminal Justice. She initially began her career in the health and fitness industry, but her personal experiences as an aesthetics patient and her passion for helping others feel and look their best inspired her to pursue a career in the Plastic Surgery and Medical Spa field. As the Patient Care Coordinator of The Appearance Care Center, she is dedicated to consistently providing an outstanding patient experience and helping people achieve their aesthetic goals with all the latest and most effective non-surgical treatments. Outside work, she enjoys traveling, hiking, cooking, and playing with her adorable Pomsky, Kenji. She looks forward to welcoming you to our practice!

Hailey Juszczak, M.D.

Hailey Juszczak, M.D.

AAFPRS Fellow with Corey Maas, M.D. F.A.C.S.

Dr. Hailey Juszczak is a board-eligible Otolaryngologist-Head and Neck Surgeon who is currently completing her fellowship in Facial Plastic and Reconstructive Surgery with Dr. Corey Maas at The Maas Clinic. 

Dr. Juszczak completed her five-year Otolaryngology-Head and Neck Surgery residency in New York City at SUNY Downstate Health Sciences Center. She was inducted into Alpha Omega Alpha, a national medical honor society reserved for the top 1% of resident physicians nationally. 

She earned her medical degree (M.D.) from the University of California, San Francisco (UCSF) medical school and graduated with distinction from Stanford University with a degree in human biology, where she was granted the Award of Excellence. 

She believes in facial rejuvenation that creates a natural and refreshed look and is excited to help patients look the way they feel! In her spare time, she enjoys exploring new restaurants, hot yoga, and scuba diving. 

Teresa, MS, RN

Teresa, MS, RN

Aesthetic and Surgical Nurse

Teresa returns to The Maas Clinic, where she previously worked as a Medical Assistant and Clinical Research Coordinator. After leaving the clinic in 2017, she spent the next eight years at UCSF, where she advanced into healthcare leadership and most recently served as Assistant Director of Operations, overseeing clinical research operations across multiple locations. 

Throughout her career, Teresa has continued to expand her education and clinical expertise. She earned a Master of Science in Healthcare Delivery Science from ASU and a Master of Science in Global Health from Northwestern University before completing her nursing degree and becoming a Registered Nurse. She is currently pursuing her Doctor of Nursing Practice (DNP) at Duke University, with a focus on healthcare leadership.

Teresa is excited to return to The Maas Clinic as an RN and to once again work directly with patients, bringing together her clinical, research, and leadership experience. In her spare time, she enjoys traveling and running after her three young children.

Susana, RN

Susana, RN

Aesthetic Nurse / Lead Injector

Susana (Susi) is a Registered Nurse with over 10 years of nursing experience and eight years specializing in aesthetic medicine. She began her nursing career in her hometown of Modesto, California, working in the fast-paced Emergency Department. After relocating to San Francisco, she transitioned into aesthetics, where she found her passion for combining clinical expertise with personalized, one-on-one patient care.

Susi believes aesthetic treatments should be thoughtfully tailored to each individual. She takes a comprehensive approach, often incorporating multiple modalities and treatment approaches to achieve natural, balanced results. Her patient-centered philosophy encourages open communication, education, and shared decision-making.

She specializes in natural-looking neurotoxin treatments, including first-time and wedding Botox, masseter treatments, and lip filler, with a particular focus on creating balanced, beautifully refined lips. Whether it’s a patient’s first treatment or part of a long-term maintenance plan, Susi strives to create a comfortable, educational, and empowering experience.

Her philosophy is simple: you should continue to look and feel your best between visits. She views aesthetic care as an extension of self-care—something that should enhance confidence without ever feeling overdone. Her goal is to help every patient feel refreshed, confident, and naturally themselves.

Outside of work, Susi enjoys going to concerts, exploring new restaurants, staying active at the gym, and spending quality time with family and friends.

 Courtney, RN, BSN

Courtney, RN, BSN

Aesthetic Nurse

Courtney has a robust background and experience in aesthetic nursing. Beginning her career with a degree in Business Economics from UC Santa Barbara and starting her own business, she soon learned that her love and passions lie in helping people and hands-on interventions that change people's lives. Courtney returned to school to earn her BS in Nursing and graduated at the top of her class. From there, she worked at a plastic surgery office in aesthetics, where she spent the last decade acquiring her expertise in injectables and non-surgical procedures. She devotedly brings these skills and passions to her patients at The Maas Clinic™. When she is not at The Maas Clinic™, Courtney enjoys spending quality time with her children, exploring the outdoors, and being grateful for life's simple treasures.

Jacqueline, RN

Jacqueline, RN

Aesthetic & Surgical Nurse

Jacqueline joins The Maas Clinic™ with over 20 years of nursing experience. Originally from Canada, she traveled and worked abroad, ultimately landing in San Francisco. After many years working with plastic surgery patients, she is now focused on helping patients through the surgical process and performing aesthetic procedures to help them maintain optimal results. In her spare time, she enjoys the benefits of meditation, exercise, and seeing family and friends.

Carolyn, RN

Carolyn, RN

Aesthetic Nurse

Carolyn is a Registered Nurse and Aesthetic Specialist. She came to The Maas Clinic™ with 25 years of nursing experience, primarily in Critical Care and Cardiac Rehabilitation. Carolyn further expanded her skill set to include more "alternative" forms of healing, including biofeedback and Reike. She seamlessly incorporated Aesthetic Medicine into her areas of expertise and enjoys the ongoing relationships that Aesthetic Medicine cultivates. When Carolyn is not practicing the art of healing, she can be seen practicing the art of golf.

Brandon

Brandon

Medical Assistant

Brandon grew up in Orange County, California, and went on to attend the University of California, Santa Barbara, where he earned his Bachelor of Science in Biology. During his time at UCSB, he participated in research where he helped develop a novel approach to image gene transcription and translation, receiving an URCA grant to promote his research studies. There, he developed a strong interest in scientific inquiry and furthered his passion for medicine. He decided to continue his research experience at The Maas Clinic, where he remains engaged in expanding his knowledge and experience in the medical field. Brandon has several years of experience working as a Medical Assistant in surgical, medical, and cosmetic dermatology. Through his clinical experience, he developed a strong passion for patient care and gained valuable insight into medicine. His clinical and research experiences have inspired him to pursue higher education, with plans to apply to medical school and continue his journey toward becoming a physician. Outside of work and research, Brandon enjoys spending time outdoors, particularly fishing, snowboarding, and surfing.

Adeline

Adeline

Medical Assistant CPT-1

Adeline was born and raised in Seattle, WA, and moved to Santa Barbara for her undergraduate studies, where she earned her Bachelor of Science in Biology from the University of California, Santa Barbara. Since graduating, she has gained extensive patient care experience working as a Medical Assistant in surgical, medical, and aesthetic dermatology, as well as in case management supporting unhoused patients in Santa Barbara. These experiences deepened her commitment to compassionate, patient-centered medicine and strengthened her resolve to pursue medical school next year.

At The Maas Clinic, she is excited to continue developing her skills as a Medical Assistant while utilizing her phlebotomy license and love for investigation to contribute to important clinical research. 

Outside of work, Adeline loves spending time outside and staying active with running, hiking, and bouldering. Having recently moved to San Francisco, she is also excited to explore the city's endless food scene.

Sydney

Sydney

Medical Assistant / Aesthetic Medical Technician

After completing her licensure as an Aesthetician, Sydney decided to shift her career path into the medical field of aesthetics and work towards becoming a Physician's Assistant. She enjoys working in an environment where she is constantly allowed to learn and grow with the latest technology, as well as helping patients look and feel their best. Outside of work, Sydney leads a very social and active life.

Lars

Lars

Videographer / Social Media Manager

After receiving a BA in Film and Digital Media at the University of California, Santa Cruz, Lars joined The Maas Clinic™. in 2022 as our video technician and media manager. With a passion for video creation and digital media since childhood, Lars brings a creative flair and technical expertise to his role. At The Maas Clinic™, you'll find him filming procedures, creating educational videos with Dr. Maas, or further developing his technical skills. During our annual winter conference, Lars plays a vital role in the seamless setup of our video equipment, ensuring the smooth execution of the event. In his free time, Lars enjoys being on the soccer field, playing pickup games, or spending time with friends and family.

Kristin

Kristin

Director of Community Outreach

Kristin joined The Maas Clinic with over thirteen years of experience in marketing and sales management within the pharmaceutical industry. Her extensive background includes significant collaboration with healthcare professionals, including physicians, medical directors, and hospital administrators, establishing her as a trusted business consultant.

As Director of Community Outreach, Kristin oversees website and social media content while also facilitating The Maas Clinic and The Appearance Care Center’s contributions to the community through donations and support of local nonprofits and charitable initiatives. She also leads Beauty for Books, a nonprofit founded by Dr. Corey Maas that provides educational resources to underfunded public school districts throughout the Bay Area.

In her free time, Kristin enjoys volunteering with other philanthropic organizations, spending time with her family, and enjoying the outdoors and natural beauty of Marin County.

Sticky bar popup.

Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ad alias animi commodi distinctio doloremque eum exercitationem facilis in ipsum iusto magnam, mollitia pariatur praesentium rem repellat temporibus veniam vitae voluptatum.

Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ad alias animi commodi distinctio doloremque eum exercitationem facilis in ipsum iusto magnam, mollitia pariatur

Button

Welcome to Excellence

Providing a luxury experience & beautiful results.

Schedule a Consultation
Accessibility: If you are vision-impaired or have some other impairment covered by the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to using this website, please contact our Accessibility Manager at (415) 567-7000.
Contact Us