
Stefanie Handl
DVM, Dipl. ECVCN

Stefanie Handl
DVM, Dipl. ECVCN
Stefanie Handl graduated in 2002 from the University of Veterinary Medicine Vienna. She received her doctorate degree in 2005 and started working as post-doc researcher at the Institute of Animal Nutrition at the University of Veterinary Medicine Vienna. She spent 1.5 years at the Gastrointestinal Laboratory at Texas A&M University and completed her Residency from the European College of Veterinary and Comparative Nutrition in 2011. In 2013, she opened “Futterambulanz”, a nutritionist practice for small animals in Vienna. Besides, she is lecturer at the Vetmeduni Vienna and co-editor in chief of the Journal of Animal Physiology and Animal Nutrition.
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Stefanie Mitze
DVM, DipECVIM-CA Internal, Medicine MRCVS

Stefanie Mitze
DVM, DipECVIM-CA Internal, Medicine MRCVS
Stefanie graduated in 2010 from the University of Szent István in Budapest. Originally from Germany, she started working in several referral centres including the University of Munich in Germany. She then decided to start a residency program in small animal internal medicine in a private clinic near Munich. Stefanie has lived in the UK since 2018 and is currently based in London and is working as a global specialist consultant.
Stefanie loves all aspects of internal medicine and she is passionate about helping to ensure specialist consults are easily accessible to everyone. She is very keen in offering a practical approach to veterinary problems. In her free time, she is singing in a choir and she is a keen sportswoman and participates in national and international martial art competitions.
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Stefanie Peters
DVM, ECVD

Stefanie Peters
DVM, ECVD
- Mai 1981: Abitur am Regino-Gymnasium Prüm
- 1981 - 1986: Studium der Veterinärmedizin, Justus-Liebig-Universität Gießen
- Dez. 1986: Approbation als Tierärztin
- Januar 1989: Promotion
- seit Jan.1987: Assistentin in der Tierärztlichen Klinik Birkenfeld
- seit 1989: Schwerpunkt Veterinärdermatologie
- seit 1994: Leitende Tierärztin Dermatologie/Allergologie mit ca. 85% Überweisungspatienten, regelmäßige externe Fortbildungsaufenthalte u.a. in Kanada, regelmäßige interne Fortbildungen u.a. die von der Klinik organisierten „Controversies in Veterinary Dermatology“
- seit 1990: Associate Member der ESVD
- seit 1995: Full Member der ESVD
- 1992 - 1994: ESAVS-Kurs Dermatologie I
- März 1996: ESAVS-Kurs Dermatohistopathologie
- September 1998: Examen Teil I in Lyon zur Erlangung des Diploms des European College of Veterinary Dermatology (ECVD)
Gründungsmitglied und von 2000 bis 2002 Präsidentin der Deutschen Gesellschaft für Veterinärdermatologie (DGVD), bis 2009 Vorsitzende der Tagungskommission
Tagungspräsidentin der 11. Jahrestagung der DGVD am 11.-13. Juni 2010, Thema: „Wichtige autoimmune/immunvermittelte Hauterkrankungen“
Seit 1991 Referentin bei verschiedenen veterinär- und humanmedizinischen Tagungen in Europa und China, Autorin zahlreicher dermatologischer Veröffentlichungen
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Stefanie Petzoldt
DVM

Stefanie Petzoldt
DVM
Das Studium der Veterinärmedizin absolvierte Stephanie Petzoldt erfolgreich in Hannover.
Im Anschluss daran arbeitete sie von 1994 bis 2001 als Tierärztin in der Tierklinik Hochmoor und sammelte dort erste CT-Erfahrungen. Weitere Jahre arbeitete sie in in der Tierklinik Heiligenhaus, danach in der Pferdeklinik Parsdorf und in der Pferdeklinik in Kirchheim.
Von 2011 bis 2016 leitete sie in der Pferdeklinik Duisburg die CT-Abteilung und führte die orthopädischen sowie Weichteil- und Kolikoperationen durch.
Während dieser Jahre spezialisierte sie sich auf folgende Fachbereiche:
• Chirurgie (orthopädisch, Weichteil und Kolik)
• Bildgebende Diagnostik
Orthopädische Sonographie
Radiologie insbesondere Computertomographie (21 Jahre CT Erfahrung) und Szintigraphie
• Orthopädie
Seit Frühjahr 2016 arbeitet Tierärztin Stefanie Petzoldt in der Pferdeklinik an der Rennbahn (Iffezheim).
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Steffen Schmidt
DVM

Steffen Schmidt
DVM
IDEXX Laboratories
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Stephan Gronostay
DVM

Stephan Gronostay
DVM
1988 – 1995 Studium der Veterinärmedizin in Giessen
2003 Zusatzbezeichnung Verhaltenstherapie der LTK Hessen
2015 Certificat d’Etudes Approfondies Vétérinaires en Médecine du Comportement des Animaux Domestiques an der Ecole Nationale Vétérinaire d’Alfort
2001 – 2015 Tierärztliche, verhaltenstherapeutische Gemeinschaftspraxis und Hundeschule in Offenbach am Main
Seit 2015 In eigener Praxis für Verhaltenstherapie in La Madeleine, Frankreich
www.veto-comportement-animalier.fr
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Stephanie Colthurst
DVM, Surgery BVSc.

Stephanie Colthurst
DVM, Surgery BVSc.
Stephanie is a small animal surgeon at Veterinary Specialist Services in Brisbane (Australia). She has worked in referral practice for 9 years. Following graduation from James Cook University in 2014, she completed a 12-month rotating internship at Veterinary Specialist Services followed by a second internship at Southpaws in Melbourne (Australia) in 2016 before enrolling into a surgical residency at Southpaws through the European College of Veterinary Surgeons (ECVS).
Stephanie successfully passed her memberships of the Australian and New Zealand College of Veterinary Scientists in Small Animal Surgery in 2018 and has just successfully passed her ECVS board examinations in February 2023 on her first attempt.
Stephanie returned to Veterinary Specialist Services in 2021. Whilst she enjoys all aspects of surgery, her particular interests are in soft tissue and oncologic surgery. She is passionate about keeping up to date with advances in veterinary research, so that she can strive to provide the best possible care for each patient and their owner.
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Stephanie Grath
DVM

Stephanie Grath
DVM
Stephanie Grath ist seit ihrer Jugend im Hundesport aktiv und führte verschiedene Hunde (Dt. Schäferhunde, American Staffordshire Terrier, Dt. Jagdterrier, Black and Tan Coonhound) in unterschiedlichen Prüfungsfeldern. Ab 1992 war sie Trainerin und Schutzdiensthelferin. Sie startete bei Wettkämpfen in Disziplinen wie Schutzhundesport (IGP), Team-Test, Obedience, Vierkampf und dem BHV Hundeführerschein.
Sie studierte Tiermedizin an der LMU-München bis 2003. Während des Studiums beschäftigte sie sich intensiv mit Hundeverhalten und Training von Familienhunden. Nach dem Abschluss arbeitete sie in verschiedenen Groß- und Kleintierpraxen (Kleintier, Schwein, Rind, Pferd) und baute ab 2003 ihre eigene mobile Tierarztpraxis mit dem Schwerpunkt Verhaltenstherapie (Hund, Katze) auf. Sie ist Autorin, international tätige Referentin, Seminarleiterin und Praktikumsstätte für Hundetrainer. Zudem führt sie eine Hundeschule, ein Hundeinternat, ist TOP Trainerin an der Tierakademie Scheuerhof und Coach beim Trainingsspezialist Hund von Katja Frey.
Sie ist Sachverständige für gefährliche Hunde, Prüferin für Hundeführerscheine, Assistenzhunde und anerkannte Gespannprüferin für Blindenführhunde des DBSV.
Seit über 15 Jahren engagiert sie sich ehrenamtlich mit Besuchshunden in Seniorenheimen und unterstützt Interessenten bei der Anschaffung und Grundausbildung ihrer Besuchs- und Assistenzhunde. Seit 2022 ist sie Fachkraft für Tiergestützte Intervention (ISAAT). Seit 2022 dient sie zeitweise als Oberstabsveterinär der Reserve bei der Bundeswehr, wo sie sich auf Tiergestützte Intervention spezialisiert hat.
Internationale agierte sie in den USA, Argentinien, Indien, Kenya, Australien, Brasilien und im Libanon. Sie ist Tourguide für Resilienztouren in der Sahara , hält Seminare für Tierärzte, Hundetrainer und Industriepartner.
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Stephanie Grath

Stephanie Grath
Stephanie Grath has been involved in dog sports since her youth and has trained and handled several breeds in her Training Centre. She has owned German Shepherds, German Hunting Terriers and Black and Tan Coonhounds, and competed in a variety of working and sport disciplines.
From 1992 she worked as a trainer and protection-sport decoy and competed in disciplines such as IGP (protection sport), Team Test, Obedience, Vierkampf and the BHV dog handler certificate.
She studied veterinary medicine at LMU Munich, graduating in 2003. During her studies she developed a strong focus on canine behaviour and the training of family dogs and their issues.
During working as a "normal Vet" in several mixed veterinary practices (small animals, pigs, cattle and horses), she established her own mobile veterinary practice in 2003, specializing in behavioural medicine for dogs and cats.
Stephanie Grath is an author, international lecturer and seminar instructor. She runs a dog training school and a training and boarding facility for dogs, serves as a TOP trainer at Tierakademie Scheuerhof (Viviane Theby, Michaela Hares, Lisa Peitz), and works as a coach in the program "Trainingsspezialist Hund" led by Katja Frey.
She is an expert for dangerous dogs, an examiner for dog trainers and dog handler licences. She is an officially recognized assistant dog examiner.
For more than 15 years Stephanie has volunteered with her therapy dogs in nursing homes and supports people interested in training visiting and assistance dogs. Since 2022 she has been certified as a specialist in animal-assisted interventions (ISAAT).
She also serves as a Reserve Veterinary Officer (Oberstabsveterinär) in the German Armed Forces, where she focuses on animal-assisted interventions and Dog Handler education.
Internationally, she has worked in the USA, Argentina, India, Kenya, Gambia, Australia, Brazil and Lebanon. She guides resilience tours in the Sahara Desert and teaches seminars for vets, dog trainers and industry partners.
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Stephanie Nather
DVM, FTÄ für Klein-und Heimtiere

Stephanie Nather
DVM, FTÄ für Klein-und Heimtiere
Studium an der Freien Universität Berlin und der “Universidad de Extremadura” in Spanien (DAAD-Stipendium). Promotion an der Klinik für Kleintiere der Universität Leipzig unter Betreuung von Prof. Dr. Oechtering in der Abteilung für Hals-Nasen-Ohren Erkrankungen. Praktische Tätigkeit in der Klinik für Kleintiere (Abteilung Innere Medizin) bis Ende 2013 und Ausbildung zum Fachtierarzt für Klein-und Heimtiere.
Seit 2014 unterstützt sie als Key Account Manager das IDEXX-Team in der Betreuung von Universitäten, Meinungsbildern sowie Tierkliniken- und Praxen. Sie führt Fortbildungsveranstaltungen im Bereich der Kleintiermedizin auf Kongressen und Tagungen durch. Darüber hinaus berät sie Kollegen auch vor Ort bei Fragen zu Analysegeräten, Schnelltests und labordiagnostischen Untersuchungen.
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Steve Holloway
DVM, BVSc, MVS, PhD, MACVSc, Dipl. ACVIM

Steve Holloway
DVM, BVSc, MVS, PhD, MACVSc, Dipl. ACVIM
Steven graduated from the University of Sydney in 1983 with second-class honours in Veterinary Science. After graduation, Steven worked for 2 years in private practice in Sydney followed by a medical internship at the University of Melbourne. Steven then undertook an internal medicine residency at the University of Florida, followed by two years as a clinical instructor at the University of Florida. Steven worked in an internal medicine referral practice in Pittsburgh, Pennsylvania in 1992 and 1993 then returned to Australia studying equine herpesvirus infections with Professor Michael Studdert. In 1998, Steven was awarded a PhD from the University of Melbourne. Steven has lectured in Veterinary Virology at the University of Sydney in 1998 and 1999 and was a Senior Lecturer and Associate Professor of Small Animal Medicine at the University of Melbourne from 1999-2009. Steven worked as a Small Animal Medicine specialist at Advanced Vetcare in Melbourne from 2010 to 2018. He currently runs his own consultancy business in Melbourne and works part time for Victoria University. His special interests are internal medicine and infectious disease.
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Stijn Niessen
Professor, DVM, PhD, DECVIM, PGcertVetEd, FHEA, MRCVS

Stijn Niessen
Professor, DVM, PhD, DECVIM, PGcertVetEd, FHEA, MRCVS
Stijn is a honorary Professor in Internal Medicine at the Royal Veterinary College, getting his kick out of being involved in teaching and research, especially in the field of endocrinology. He has co-founded his own consulting company Veterinary Specialist Consultations, as well as VIN Europe, a growing independent information and support network "for vets, by vets", sister of the global Veterinary Information Network vin.com consisting of nearly 100.000 vets. It is VIN Europe's aim to ensure colleagues feel supported in their consulting room by offering a network of specialists, online textbooks, conference proceedings, drug formularies and even a Virtual Veterinary Internship, to anyone, anywhere, always in an unsponsored, unbiased, independent manner.
Stijn is also current President Elect of the European College of Veterinary Internal Medicine.
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Sue Ettinger
DVM, DACVIM (Oncology)

Sue Ettinger
DVM, DACVIM (Oncology)
Dr. Sue Ettinger, DVM, DACVIM (Oncology), is a board-certified veterinary oncologist, international speaker, author, and vlogger. She is one of approximately 450 board-certified specialists in medical oncology in North America and currently practices at Guardian Veterinary Specialists in Brewster, NY.
She earned her veterinary degree from Cornell University College of Veterinary Medicine and completed her medical oncology residency at the Animal Medical Center in NYC in 2003.
Dr. Sue is widely recognized for her contributions to veterinary medicine. She was voted 2019 WVC Small Animal Continuing Educator of the Year and has received awards for Exceptional Doctor Performance and Public Relations Achievement. She co-authored the best-selling Second Edition of The Dog Cancer Survival Guide and frequently contributes to major veterinary publications such as Today’s Veterinary Practice, Clinician’s Brief, and DVM360. She has also co-hosted The Pet Cancer Vet podcast and is a regular guest on veterinary media platforms.
As a dedicated advocate for cancer awareness and early detection, Dr. Sue developed the “See Something, Do Something, Why Wait? Aspirate.®” initiative, encouraging early diagnosis of skin and subcutaneous tumors in pets. Her approach focuses on compassionate cancer care, aiming to improve the quality of life for pets undergoing treatment.
A native of Long Island, NY, Dr. Sue has wanted to be a veterinarian since childhood. She now lives in Westchester, NY, with her two sons and two Labrador Retrievers, Matilda and Penelope.
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Sue Foster
DVM, BVSc, MVetClinStud, FANZCVS (Feline Medicine)

Sue Foster
DVM, BVSc, MVetClinStud, FANZCVS (Feline Medicine)
Sue is Fellow of the Australian College of Veterinary Scientists and a registered specialist in feline medicine. She is an Adjunct Associate Professor in Small Animal Medicine at Murdoch University (Western Australia) and a medical consultant for Vetnostics (Sydney) and ASAP Laboratory (Melbourne). Sue has worked pro bono for over 8 years with clients, veterinarians, the Australian Veterinary Association and the petfood industry on the significant small animal welfare issue of petfood toxicities in Australia, especially toxicity resulting in acquired proximal renal tubulopathy in dogs. She is also a co-founder of Vets Against Live Export (VALE) and current spokesperson for VALE.
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Sue Jaensch
DVM, BSc (Hons), BVMS, PhD, MANZCVS (Avian Health), FANZCVS

Sue Jaensch
DVM, BSc (Hons), BVMS, PhD, MANZCVS (Avian Health), FANZCVS
Dr Sue Jaensch undertook her undergraduate training at Murdoch University. After working in mixed and small animal practice for five years, she returned to Murdoch to complete her PhD, evaluating avian anaesthesia. Dr Jaensch began her pathology training during her PhD and attained Memberships in Avian Medicine (2001), Veterinary Pathology (2002) and finally her Fellowship in Clinical Pathology in 2009. Dr Jaensch has over 15 years of clinical pathology experience, working in all areas of the discipline.







































