Dr. med. vet. Mahmoud Mageed Dipl. ECVDI
Mahmoud Mageed earned his Bachelor’s degree in Veterinary Medicine in 2007. He worked as an assistant radiologist for 5 years at the University of Leipzig’s equine clinic, where he obtained his Dr. med. vet. degree in 2014.
Mahmoud worked as a senior radiologist in a private clinic for nearly a decade, where he was responsible for image acquisition and interpretation, primarily MRI and CT. In 2018, Mahmoud achieved the status of a German board-certified specialist in Diagnostic Imaging. In 2022, he began his ECVDI residency in collaboration with the University of Zurich.
Mahmoud has published more than 20 publications in the field of diagnostic imaging.
Dr Aagje Hardeman
Dr Aagje Hardeman graduated from Utrecht University in 2012, as Doctor of Veterinary Medicine. Afterwards, she did the BackBone Academy in Germany, to become a certified equine chiropractor.
In 2014, she moved to Germany to work at Tierklinik Lüsche, one of the biggest equine hospitals in Europe, where she has been part of the orthopaedic and rehabilitation team.
Simultaneously, she did her PhD, supervised by Prof. Dr. Rene van Weeren (Utrecht University) and Prof. Dr. Lars Roepstorff (SLU, Uppsala, Sweden) entitled ‘Large scale clinical application of quantitative gait analysis in horses’. She is the founder of DataHorse and Co-founder of the EGAS.
She is parttime employed by Sleip, supporting veterinarians in their (equine gait analysis) data collection and data interpretation.
Dr Filipe Manuel Serra Bragança
Dr Filipe Manuel Serra Bragança graduated in 2013 from the Veterinary University of Lisbon, Portugal. After graduation, he performed his internship at an equine practice in the UK.
In 2014 he started his PhD at Utrecht University (The Netherlands) performing research in equine biomechanics and locomotion, focusing on objective gait analysis.
He is the Co-founder of the EGAS. He is parttime employed by Sleip as a biomechanical researcher.
Dr Brenda Hoogelander
Dr Brenda Hoogelander graduated from the Faculty of Veterinary Medicine at Utrecht University in 2002. During her veterinary studies, she completed clinical placements in Germany, the United States, and South Africa. After graduation, she completed an internship at Dierenkliniek Emmeloord before dedicating her career to equine orthopaedics, lameness diagnostics, and pre-purchase examinations.
In 2006, she joined Diergeneeskundig Centrum Oisterwijk, becoming a co-owner of the practice one year later. Since 2016, she has been part of the SMDC team as anequine orthopaedic specialist, and since 2019 has served as one of the clinic's Managing Directors.
Dr. Hoogelander completed all modules of the International Society of Equine Locomotor Pathology (ISELP) programme and obtained her certification in 2017. She has also successfully completed the Focus on the Equine Spine programme, is a FES-certified chiropractor, and is an NVVP-certified equine dentist. In addition, she holds national recognition as both an Equine Veterinarian and an Official Equine Pre-purchase Examination Veterinarian.
Between 2009 and 2019, Dr. Hoogelander served as Team Veterinarian for TeamNL, supporting Dutch equestrian teams at five European Championships, three World Equestrian Games, and two Paralympic Games. During the Olympic Games in Tokyo and Paris, as well as the Asian Games, she was responsible for orthopaedic examinations and diagnostic imaging of competition horses. She is also involved in providing veterinary services at major international equestrian events, including Jumping Amsterdam and CHIO Aachen. In 2025, she served as Team Veterinarian for the Dutch team at the World Championships for Icelandic Horses.
Dr. Hoogelander is a frequent speaker at international veterinary congresses, including ISELP meetings. As Program Director at the Altano Academy, she is responsible for educational programmes in equine sports medicine and rehabilitation.
Dr Johan Lenz
He graduated from the University of Copenhagen in 2006 with a degree in Veterinary Medicine. Following graduation, he spent nine years at the Equine Hospital in Helsingborg, Sweden, where he developed extensive expertise in equine orthopaedics and sports medicine.
He subsequently joined Dr. Jonas Törnell, who served as the Swedish national team veterinarian for both dressage and show jumping for over 20 years. After five years of collaboration, they established an independent equine practice together with his wife. Today, they run a specialised equine practice in southern Sweden, near Helsingborg, focusing on poor performance investigations and equine orthopaedics.
Between 2012 and 2016, he served as Assistant Veterinarian to the Swedish national teams in both dressage and show jumping. Since March 2025, he has been the Team Veterinarian for the Swedish Dressage Team.
His connection with equestrian sport began long before veterinary school. Prior to his veterinary studies, he worked for six years as a stable manager and rider in an internationally renowned dressage stable. In addition, he served as Dressage Sports Director at the prestigious Falsterbo Horse Show for 16 years.
Despite his professional commitments, he remains an active rider and continues to ride whenever possible, aiming to be in the saddle at least three times a week.
Dr Katharina Thieme
Dr. Thieme studied Veterinary Medicine at the Free University of Berlin. After graduating, she worked as an associate veterinarian at an equine clinic before moving to a mixed practice treating both horses and small animals. During this time, she developed a particular interest in ophthalmology and obtained the General Practitioner Certificate in Ophthalmology (GPCert Ophthal).
In 2017, she joined the team of Prof. Dr. Eule at the Free University of Berlin, where she completed her residency in Veterinary Ophthalmology. Since 2025, Dr. Thieme has been a Diplomate of the European College of Veterinary Ophthalmologists (ECVO) — the highest European specialist qualification in this field — and also holds the German specialist designation in ophthalmology (Zusatzbezeichnung Augenheilkunde).
Since 2017, she has led the Ophthalmology Center at the Seeburg Equine Clinic.
Maciej Kozubik
Maciej Kozubik is a business trainer, coach, mentor, and entrepreneur with more than 25 years of experience in sales and nearly two decades of expertise in leadership development, coaching, and business training. Throughout his career, he has supported business owners, executives, managers, and sales teams in improving commercial performance, strengthening leadership skills, and implementing practical business solutions.
He is the founder and owner of Kozubik & Partners Group, a certified DISC D3+BAI Consultant, and an HRD BP Certified Business Training professional. His areas of expertise include sales strategy, negotiations, leadership, communication, customer relationship management, and the design of business-focused development programmes that deliver measurable results.
Maciej has delivered hundreds of training and coaching projects for companies and organisations across multiple industries, working with executives, entrepreneurs, sales professionals, financial sector specialists, and elite athletes. He is the author of "52 Ideas to Increase Sales – A Practical Guide for Small and Medium-Sized Businesses" and co-author of "Starting in Coaching – Advice from Experienced Coaches".
Karolina Służewska – Woźnicka
Since 2003, she has been a member of the Greater Poland Bar Association in Poznań. She serves as a lecturer for trainee advocates at the Greater Poland Bar Association, teaching civil law, family law, labour law, and civil procedure. She is also a Judge of the Disciplinary Court of the Greater Poland Bar Association and a lecturer in legal studies at SWPS University. She is the founder and managing partner of KSW Law Firm.
Her legal practice focuses on conducting and coordinating complex, multi-faceted litigation in the fields of civil, family, commercial, medical, and criminal law related to business activities. She is widely recognised as a specialist in medical and veterinary law, providing ongoing legal counsel to medical and veterinary scientific societies, healthcare institutions, and medical professionals. She represents clients in civil proceedings before common courts, disciplinary proceedings before professional self-government bodies, and criminal cases involving allegations of medical malpractice.
She is the author of numerous legal opinions and publications in the fields of medical and civil law, and a frequent speaker at national and international conferences and scientific symposia dedicated to medical and veterinary law.
