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Committed to Teamwork

As a leading clinic in the field of minimally- and non-invasive aesthetic treatments under medical director Nikolaus Duschek, MD, PhD., at YUVELL® we guarantee the highest level of medical expertise. Our medical team has a wide variety of specializations and regularly participates in international congresses and advanced training courses in order to ensure the best possible treatments based on the latest scientific findings.

CEO & Co-Founder

Valentina Prinz

Valentina Prinz, BA, MBA


In 2017, Valentina Prinz took over the management of the clinic and research center for aesthetic medicine, which is unique in Austria, after working at the UNO for many years.


“We offer our customers and patients individual consultation, the highest level of comfort and the best products currently available in the cosmetic and aesthetic sector on 500m². Our doctors are permanently educating themselves and are in constant exchange with colleagues worldwide. All on behalf of your beauty.”

Medical Team

Nikolaus Duschek, MD, PhD.

Board certified dermatologist and surgeon 

Nikolaus Duschek is a board certified dermatologist and surgeon. With a long and outstanding experience in skin cancer surgery and prevention, as well as in aesthetic dermatology, he is an expert especially in treatment with fillers, neurotoxins and thread lifts. His other specialties are laser medicine (rejuvenation, scars, pigment and tattoo removal, laser surgery), treatment of veins and non-invasive body contouring.

He completed his extensive residency training in Austria, Switzerland and France, which was followed by years of international research, lecturing and teaching. Dr. Duschek’s publications in surgery and dermatology have received multiple awards. In 2015, he received his doctorate (PhD.) and in 2017, his habilitation (Venia docendi) followed.

More information can also be found at

Monika Sulovsky 1

Monika Sulovsky, MD

General practitioner & expert in aesthetic medicine

General practitioner Dr. Monika Sulovsky is a specialist in aesthetic treatments and has been working in aesthetic medicine since 2008. She has many years of experience in the fields of laser, thread lifting, Thermage, vampire lifting as well as botulinum toxin and filler treatments. Furthermore, she cares for patients interested in non-surgical body optimization using Thermage, EMSCULPT or even pelvic floor training through EMSELLA.

As a medical doctor at YUVELL®, she also conducts numerous studies on aesthetic treatments, has a diploma in emergency medicine and additional training in orthomolecular medicine.

Daniel S. Müller, MD, MBA

Board certified dermatologist

Dr. Daniel S. Müller is a board certified dermatologist. He is specialized in aesthetic & anti-aging medicine, laser medicine, scar treatment, minimally invasive surgeries such as thread lifting, hair disorders and other specialties such as body contouring through liposuction or bodysculpting.


His expertise makes him a speaker at medical congresses worldwide. As a lecturer, he is active throughout Europe for continuing medical education in the field of aesthetic medicine. He is intensively involved in the development of new treatment methods in this sector and is the author of numerous articles. In addition to his work at YUVELL® in Vienna, he runs his own practice SKINMANAGER in Munich.

Clinical Research

Mia Čajkovský

Clinical Project Manager

Mia Čajkovský manages and organizes innovative single-center as well as international multi-center studies and several projects in the field of aesthetic medicine. Coordinatioin, multidisciplinary cooperation with sponsors as well as communication as an interface between research, physicians and patients are the focus of her work as a Clinical Project Manager and Study Coordinator. Since the end of 2020, Mia has been responsible for managing and leading clinical projects and publications in close collaboration with medical experts, pharmaceutical companies and clinical research organizations.

Mia studies Biotechnology at the University of Natural Resources and Life Sciences.

Melanie Rosenecker, BScN, MScN

Clinical Study Coordinator

In her job, Ms. Rosenecker is co-responsible for the conduct of clinical studies according to GCP. As a study coordinator, she acts as a communication interface for patients, investigators and the external clients of clinical studies.

After completing her training as a certified nurse, Melanie worked for several years in an oncology ward. Parallel to her work, she completed her master’s degree in nursing science and thus delved deeper knowledge into the field of science. To strengthen her knowledge in this area, she moved from the ward to a research institute for clinical oncology drug studies to work as a study coordinator.

Michelle Friedrich, MSc 

Clinical Study Coordinator

Michelle Friedrich joined the Yuvell study team in January 2022 and is co-responsible for conducting clinical trials according to GCP. As a study coordinator, she works closely with patients and investigators.

During her studies in nutritional sciences, she was able to gain her first experience in the field of clinical trials as part of her master’s thesis. As a study assistant, Michelle was part of a pilot study in gynecological oncology and was responsible for study visits and data collection. This sparked her interest in continuing to work in the field of clinical research.

Quality Management

Mateja Sunitsch

Quality Officer

Mateja Sunitsch supports the control, coordination and optimization of quality management measures. Furthermore, she works on the development of procedures and processes for quality assurance in all departments of the company.

She has been part of the team since 2019 and significantly supported the establishment of the quality management system as well as the certification according to ISO:9001 and ISO:15224.

Currently, she is also a law student.

Reception & Administration

Isidora Lopati

Front Desk Manager

After many years of experience in office management and training as a medical assistant, Isidora Lopati actively supports the clinic in the back office and at the reception. She is responsible for general administration, appointment coordination, as well as the entire communication with customers and companies.

As an expert for skincare, she is the contact person for cosmetic-medical treatments such as Jetpeel.

Vanessa Cindea

Front Desk Assistant 

Since the beginning of 2022, Vanessa Cindea has been welcoming and taking care of our patients in the clinic as a front desk employee.


As an expert in social media and with a huge interest for aesthetic trends, Vanessa takes care of the clinic’s social media platforms. Additionally, she supports the marketing team in planning workshops and events. With an eye for beautiful designs and details, she is also responsible for our marketing material. 

Medical Advisory Board

Dr. Rainer Pooth, PhD. (DE)
Univ.-Prof. Dr. Christine Radtke, MBA, FEBOPRAS (DE)
Dr. Konstantin Frank (ES)
Dr. Steven Dayan (US)
Prof. Dr. Berthold Rzany, PhD. (DE)
Happy Mother’s Day
– €100
Auf die zweite Botulinumtoxin Region

Nicht auf bereits gebuchte BTX Termine anwendbar. Nicht mit anderen Angeboten kombinierbar. Keine Barablöse. Gutscheincode gültig bis zum 16.05.2023. Geben Sie bei Ihrer Buchung Bitte den CODE: BTX100 an (bei Onlinebuchungen einfach im Kommentarfeld).

Die im Aktionszeitraum von 15.-16.5.2023 gebuchte Behandlung muss bis spätestens 31. August 2023 erfolgen, damit der Rabatt gültig ist.