Matthias Peper is the founder and managing director of TPSOLUTION GmbH (since 2014) and founder of the TPAO Society (Treatment Planning in Aligner Orthodontics, since 2019), with more than 150,000 digital aligner treatment plans processed in collaboration with orthodontists. A Master Dental Technician with a background as Head of the Clinical Department Central Europe at Align Technology (2010–2014), he is a member of multiple European and international aligner societies and lectures in digital aligner orthodontics at various universities.
Dr. Marcela Martín is a Clinical Specialist and Orthodontist with a PhD in Biomaterials and over 15 years of experience in orthodontics, paediatric dentistry and medical education. With a strong background in clinical research, product validation and aligner-system implementation, she is a skilled trilingual communicator (Spanish, English, Portuguese) recognized for her ability to train and support dental professionals through impactful education and practical guidance.
Dr. Emmanuel Fréréjouand is a French orthodontist in private practice in Poissy since 1995, recognized for his clinical expertise and his commitment to teaching and research. A graduate of Paris V with specializations in lingual orthodontics and forensic odontology, he has been an instructor for the Charles Tweed International Foundation since 2011 and is a visiting lecturer at the Universities of Paris V and VII. He is an active member of several leading international societies, including the Angle Society of Europe, where he served as Scientific President in 2023.
Graduated as a Dentist in 2015, with a Master's degree in Clinical Endodontics obtained in 2019. In 2023, served as an Adjunct Professor at the University of Santa María in Caracas, Venezuela, contributing to academic and clinical training in dentistry. Currently working as an Implementation Specialist at Angel Aligner, where I support the integration and clinical application of orthodontic technologies.
Dr. Florencia Mulhall holds a degree in Dentistry from the University of Buenos Aires (2015) and is a postgraduate in Orthodontics and Functional Orthopedics certified by the Ministry of Health of Argentina (2018).
Dr. Elvira Antolin holds a degree in Dentistry from the University of Barcelona (2005), a Master's in Orthodontics and Dentofacial Orthopedics (UB, 2006–2009), and a Doctorate in Dentistry from the University of Zaragoza (2012). A former Clinical Speaker for Invisalign (2017–2023) and current Clinical Speaker for Dental Monitoring, she serves as Co-Director and Lecturer at the Aligner Pro Academy (IDEOD) and as a lecturer in the Master's in Orthodontics and Dentofacial Orthopedics at I.U.M. Mississippi.
Dr. Daniela Ramírez Guevara is a Clinical Advisor at Angel Aligner with a Master's in Advanced Multidisciplinary Orthodontics from University San Pablo CEU, Madrid (2023) and an MBA in progress at EAE Business School & University of Barcelona. A Bachelor in Dentistry from the University of Costa Rica (2008), she has been working with clear aligners since 2013 and previously trained in dental aesthetics and implant rehabilitation in Costa Rica.
Dr. Sophie Filipitsch graduated from MedUni Vienna (Vienna Dental Clinic, 2014–2021) and earned her Master of Science in Orthodontics from the Danube Private University in Krems. Since 2021 she has been part of the Zahnregulierung Votiv team led by DDr. Baerbl Reistenhofer, and is recognized for her lectures developed in close collaboration with her.
Dr. Lutz Hodecker is head of the Department for Children & Adolescents at the Eltz Institute for Orthodontics and an external research collaborator at Heidelberg University Hospital. He completed his orthodontic specialist training under Prof. Lux at Heidelberg, where he also served as senior physician for complex cases. He is the developer of innovative orthodontic CAD-CAM appliances such as the Mira appliance and is widely recognized through international publications and lectures.
Dr. Joanna Mrowiec, MD, PhD, has been a certified orthodontic specialist since 1996 and is one of the most experienced clear-aligner practitioners in Poland, treating patients with these systems since 2003. She is the founder of the Astermed Orthodontic and Implantology Center and an expert in interdisciplinary care, with a particular focus on temporomandibular joint (TMJ) disorders. She is also a lecturer at the University of Warsaw and the author of widely cited publications in orthodontics.
