Team

Experience and years of research are the foundation of our work. Our top priority is that you can keep your own joint. 

Avancell Medical Team

PD Dr. Patrick Weninger

Medical Director

Specialist in Orthopedics, Traumatology and Trauma Surgery.
The focus of Dr. Weninger’s research over many years has been injuries of the knee joint and wear-related diseases of the cartilage.

Selected publications

  • Weninger, P. (2023). How to Avoid knee Arthroplasty in Patients with Grade IV Osteoarthritis – Combination of Adipose-Derived Stem Cells and Radiofrequency Ablation. A Case Series of 30 Consecutive Patients with 12-Months Follow-up. Ortho & Rheum, 22(3)

  • Weninger, P. (2023). Joint Preservation in Patients with Grade-IV Osteo-Arthritis of The Knee – 12-Months Results after A Multimodal Approach Using Radiofrequency Ablation and Platelet-Rich-Plasma Supercharged Stem Cell-Rich Fat Graft in 42 Consecutive Patients. J Surg 8: 1914

  • Weninger, P. et al. (2023). Arthroscopy with Lipoaspirate and Plasma Infiltration Using Adipose-Derived Stem Cells Plus Platelet-Rich Plasma: Harvesting and Injection for Arthroscopic Treatment of Cartilage Defects of the Knee. Arthroscopy Techniques, 12(12)

  • Weninger, P. et al. (2024). A Concept Using a Staged and Standardized Ortho biologic Therapy for Cartilage Degeneration and Associated Inflammation of the Knee – The Avancell Joint Repair - Algorithm. Ortho & Rheum Open Access J, 22(5)

  • Weninger, P. et al. (2023). Extracorporeal Shockwave Therapy Improves Outcomes after Primary Anterior Cruciate Ligament Reconstruction with Hamstring Tendons. J. Clin. Med. 2023, 12(10)

  • Hirtler, L. et al. (2015). Acute and chronic menisco-capsular separation in the young athlete: diagnosis, treatment and results in thirty seven consecutive patients. Int Orthop., 39(5)

  • Weninger P. et al. (2023). Anterior Cruciate Ligament Reconstruction Using a Fascia Lata Graft With Fiber Tape Augmentation. Arthroscopy Techniques, 12(1)

Dr. Stella Prosquill

Specialist in Orthopedics, Traumatology and Trauma Surgery, Specialist in shockwave therapy

Dr. Prosquill is a specialist in orthopedics and traumatology, as well as a specialist in trauma surgery and sports traumatology. As an accident and sports physician, she specializes in knee surgery.

Building on her many years of clinical experience, Dr. Prosquill pursues a regenerative treatment concept with Avancell: Her focus is on minimally invasive procedures to enable effective and gentle treatments for her patients. Dr. Prosquill is also a certified DIGEST user of shockwave therapy in Europe.

Dr. Matthias Geisler

Specialist in orthopedics and orthopedic surgery, general practitioner, specialist in shockwave therapy (DIGEST certified)

As a specialist in orthopedics and orthopedic surgery, acute and chronic musculoskeletal pain are at the center of Dr. Geisler's therapeutic spectrum. He specializes in conservative therapies for the treatment of complaints in the areas of knee, hip, ankle, and shoulder joints, as well as back pain.

A particular focus of Dr. Geisler's work is on regenerative procedures such as treatment with peripheral stem cells, autologous blood, and shockwave therapy to treat arthritis and preserve the patient's own joint. Dr. Geisler also shares his expertise through lectures at national and international levels.

Dr. Robert Stangl

Specialist in Orthopedics, Traumatology and Trauma Surgery

Dr. Stangl is a specialist in orthopedics and traumatology as well as a specialist in trauma surgery. The focus of his extensive experience as a specialist lies in the treatment areas of knee traumatology and orthopedics, sports, and pediatric traumatology.

Dr. Stangl focuses on conservative orthopedics: with joint-preserving therapies and complementary methods of manual medicine, he strives to preserve your joint for as long as possible. As part of his clinic work, he also performs surgical procedures when necessary.

Dr. Christoph Konrath

Specialist in Orthopedics, Traumatology and Trauma Surgery

Dr. Konrath is a specialist in orthopedics and traumatology as well as a specialist in trauma surgery. His focus lies in the treatment areas of knee traumatology and orthopedics, as well as sports traumatology.

Dr. Konrath focuses on conservative orthopedics: with joint-preserving therapies and complementary methods of manual medicine, he strives to preserve your joint for as long as possible. As part of his clinic work, he also performs surgical procedures when necessary.

Dr. Mahmoud Elshamly

Specialist in orthopedics and traumatology

As a specialist in orthopedics and traumatology, Dr. Elshamly specializes in the effective conservative treatment of orthopedic problems. His focus lies in the treatment of chronic back pain and disorders of the cervical and lumbar spine using minimally invasive techniques that impose minimal strain and offer significant advantages over conventional surgeries.

In addition to his specialist training, Dr. Elshamly deepened his expertise in the field of regenerative medicine through his doctoral studies on "Bones and Joint Regeneration". In 2020, he was awarded the Science Prize by the Austrian Society for Spinal Surgery. Dr. Elshamly also holds a diploma in Manual Medicine from the Austrian Medical Chamber.

Birgit Nicolussi Moretto

Patient consultation and site coordination

Ms. Nicolussi Moretto is a qualified nurse with many years of clinical experience in the areas of surgery, intensive care medicine and pediatrics, among others, and has appropriate specialist diplomas.

She looks after Avancell patients in all matters, from initial contact to advice and support on site and after the procedure.

Avancell Management Team

Dr. Angelika Reich

Managing Director

PhD in Human Biology from the University Clinic of LMU Munich and Diploma in Psychology from LMU Munich.
Dr. Reich has 15 years of experience in strategy consulting with a focus on future technologies, including the healthcare sector.

Selected publications

  • Weninger, P. et al. (2024). A Concept Using a Staged and Standardized Ortho biologic Therapy for Cartilage Degeneration and Associated Inflammation of the Knee – The Avancell Joint Repair - Algorithm. Ortho & Rheum Open Access J, 22(5)

  • Weninger, P. et al. (2024). Adipose Derived-Stem Cells and their Cell-Free Supernatant Combined with a Nanofiber Scaffold for Skin Rejuvenation: The Avancell Stem Cell SecretomeTM - A Technical Note. JOJ Dermatol & Cosmet, 5(5)

  • Reich, A. et al. (2023). Some employees are destroying value. Others are building it. Do you know the difference? McKinsey Quarterly, September 2023

  • De Smet, A. et al. (2021). Return as a muscle: How lessons from Covid-19 can shape a robust operating model for hybrid and beyond. McKinsey Quarterly, July 2021

  • Reich, A. et al. (2021). Building workforce skills at scale to thrive during - and after - the Covid-19 crisis. McKinsey Quarterly, April 2021

Dr. Murat Özçelik

Director of Science

PhD in Cell Biology from ETH Zürich. Studied Genetics and Microbiology at the University of Vienna, Austria.
Dr. Özcelik is an entrepreneur and former business consultant in the biotechnology and healthcare sectors.

Selected publications

  • Weninger, P. et al. (2024). A Concept Using a Staged and Standardized Ortho biologic Therapy for Cartilage Degeneration and Associated Inflammation of the Knee – The Avancell Joint Repair - Algorithm. Ortho & Rheum Open Access J, 22(5)

  • Weninger, P. et al. (2024). Adipose Derived-Stem Cells and their Cell-Free Supernatant Combined with a Nanofiber Scaffold for Skin Rejuvenation: The Avancell Stem Cell SecretomeTM - A Technical Note. JOJ Dermatol & Cosmet, 5(5)

  • Jacob, C. et al. (2011). HDAC1 and HDAC2 control the transcriptional program of myelination and the survival of Schwann cells. Nat Neurosci., 14(4)

  • Cotter, L. et al. (2010). Dlg1-PTEN interaction regulates myelin thickness to prevent damaging peripheral nerve overmyelination. Science, 328(5984)

  • Stendel, C. et al. (2010). SH3TC2, a protein mutant in Charcot-Marie-Tooth neuropathy, links peripheral nerve myelination to endosomal recycling. Brain, 133(Pt. 8)