Patrick O'Donnell
Patrick O'DonnellMVB MRCVS
Pat is a founding member of Glasslyn Veterinary Clinic. He graduated from UCD in 1968 and worked in Macroom for 4 years, before joining Glasslyn in 1973. His special interest is equine care. Outside of work, Pat enjoys playing golf and avidly supporting his home team, Tipperary, in all their hurling endeavours.
Kevin O Sullivan (Director)
Kevin O Sullivan (Director)MVB MRCVS
Director of XL Vets
Kevin graduated with a Degree in Veterinary Medicine in 1998 form UCD. He worked in Tipperary for 1 year before joining Glasslyn in 2000. Kevin is equally interested in small and large animal practice, with a special interest in fertility testing in cattle. He holds a Post-Graduate Diploma in Health & Production, a Post-Graduate Certificate in Dairy Herd Health.
Kevin’s outside interests include GAA and a good game of golf.
David Mc Laughlin (Director)
David Mc Laughlin (Director) MVB MRCVS
David graduated from UCD with a degree in Veterinary Medicine in 1990 and joined Glasslyn the the same year. David has an interest in both small and large animal practice.
Outside of work, David enjoys golf.
John Healy (Director)
John Healy (Director)MVB MRCVS
John graduated from UCD with a degree in Veterinary Medicine in 2000. He initially worked in the UK for 1 year, before completing 4 years in Kilkenny. John is interested in all aspects of veterinary medicine, but has a special interest in the management and control of the spread of Johnes disease. Outside of work, John’s time is taken up supporting his kids at their GAA games and entertaining their Bermese mountain dog, Molly.
John Nyhan (Director)
John Nyhan (Director)MVB MRCVS
John graduated from UCD with a degree in Veterinary Medicine in 2000. After graduation, John worked in New Zealand for a year. When he returned back to Ireland, he spent 3 years working in Wexford, before joining Glasslyn vets as a partner in 2004. He has a special interest in small animal surgery and is Head of SA Surgery in our Kinsale branch.
In his spare time, he enjoys running, cycling and swimming, and regularly participates in triathlons and marathons.
John Osborne
John OsborneMVB MRCVS
John graduated with a Degree in Veterinary Medicine from UCD in 2002. He initially worked in Northern Ireland for 3 years, followed by 9 years in Hyde Equine hospital. John joined us here in Glasslyn in 2017, with a keen interest in equine care after his time in Glanmire. Outside of work he enjoys cycling, running and keeping up to speed with all things GAA.
Aine Mulcahy
Aine MulcahyMVB
Áine graduated with a degree in veterinary medicine from UCD in 2021 and then joined the Glasslyn team in the Autumn. Áine comes from a farming background and grew up with cows & horses at home in east Cork. In her spare time, she enjoys horse riding, playing camogie & farming at home.
Emma Hanly
Emma HanlyMVB
Emma graduated from UCD in 2016. She worked in Carlow for 2 years in mixed practice before joining Glasslyn in 2018. She grew up on a suckler and sheep farm in Tipperary and has a strong interest in all aspects of Bovine Health.
Outside of work, she likes going to the gym and hiking.
Aoife Sheehan
Aoife Sheehan DVM, V.N
Aoife joined the Glasslyn team as a vet in 2019 after studying Veterinary Medicine in Budapest, Hungary. Prior to this she studied Veterinary Nursing in UCD and worked as a veterinary nurse here in Glasslyn from 2004-2012.
Aoife is interested in both large and small animal medicine with a particular interest in the bovine dairy sector.
In her spare time she enjoys outdoor activities,walking with her dog Koda and helping out on the farm at home.
Christine Nolan
Christine NolanDVM MRCVS
Christine graduated from Warsaw University of Life Sciences om 2018. She spend one year in a mixed practice in Donegal before moving to Cork to focus on Small Animals. She joined Glasslyn in 2021 and has a keen interest in both surgery and medicine. In her spare time she enjoys horse riding and going for walks with her Lurcher Roz.

Denise Philpott
Denise Philpott MVDr, CertAVP(VC)
Denise joined Glasslyn in 2020. She graduated from the Free University Berlin in 2006 and worked in the UK for 4 years. She has a special interest in cardiology and has obtained a certificate in advanced cardiorespiratory veterinary medicine in 2014. Apart from cardiology, she has an interest in internal medicine, psittacine medicine and dentistry. In her free time she likes to run.

Jessica Deasy
Jessica DeasyDVM
Jessica graduated from University of Veterinary Medicine, Budapest in February 2016 and worked in both Kilkenny and Cork before joining Glasslyn in 2021.
Keen interest in both medicine and surgery including dentistry and pain management.
Enjoys hiking, pilates and spending time with family and her dog Bella.
Drazen Holler
Drazen HollerDVM
Drazen joined the Glasslyn Team in November 2021 and specialises in Large Animals. He studies at the Veterinary Faculty of the University of Zagreb in
Croatia. He enjoys Mountaineering and reading!
Sean O Neill
Sean O Neill DVM
Seán graduated from University of Veterinary Medicine Budapest in February 2019. He worked in mixed practice for 3.5 years on the East Cork/West Waterford border before joining Glasslyn vets in 2022. Sean enjoys both large and small animal practice with a particular interest in bovine medicine and herd health. Seán is from a dairy farming background. Apart from veterinary Seán enjoys outdoor pursuits, helping out on the family farm and all things agriculture related.
Peadar Dineen
Peadar Dineen DVM
Katie Harte
Katie HarteVeterinary Nurse RVN
Katie graduated from Athlone Institute of Technology with a BSc in Veterinary Nursing in 2012 and joined the glasslyn team shortly after.
Katie has a particular interest in Surgical nursing and wildlife rehabilitation.
Outside of work she enjoys running, art, beekeeping and hiking with her five dogs.
Lisa Moloney
Lisa MoloneyVeterinary Nurse RVN
Lisa graduated from St Johns Central college in 2015 as a registered Veterinary nurse and in 2018 she joined the full time nursing team here at Glasslyn.
Lisa loves all aspects of veterinary nursing but has a particular interest in Large animal nursing.
In her free time lisa enjoys playing Camogie, farming and walking her two dogs George and Ozzy.
Vivienne Maher
Vivienne MaherVeterinary Assistant
Viv has been part of the Glasslyn crew since July 2018 and is based in the Kinsale office. She completed a Diploma in Veterinary Assisting and Pet Care in 2019 and is currently studying Veterinary Nursing in Cork, graduating in 2023. Viv enjoys hiking, running and walking her family’s dog Beano on long cross-country walks.
Laura Creedon
Laura CreedonVeterinary Nurse RVN
Laura grew up in the Gaeltacht and come from a farming background. She graduated from Cork institute of technology with a bachelor of science in agriculture in 2015. She then decided to study Veterinary Nursing at St Johns central college before graduating in 2018.
She is interested in all aspects of veterinary nursing but likes to spend most of her time in surgery. In her spare time she likes to play football, taking the dogs swimming and socialising with friends and family.

Padraig Brennan
Padraig BrennanLarge Animal Operations Manager
Padraig oversees the daily running of our Bandon office. He manages all the Large Animal stock, advises our farming clients on drugs and medications and keeps everyone up to date on new products that hit the market.
In his spare time he likes to farm, and is a member of the Kilbrittain GAA club.
Sarah O Driscoll
Sarah O DriscollAccounts
Since originally graduating as a member of Accounting Technicians of Ireland, Sarah worked in various financial and legal firms in Cork City and County. After being awarded a Fellowship in 2017, she began working at Glasslyn in the summer of 2018. In herspare time, Sarah enjoys reading, walking and riding her grey cob, Snowy.
Nora Duggan
Nora DugganAccounts/Administrator
Nora manages our Large Animal client accounts and oversees our Direct Debit payment scheme. She keeps all the vets in line by ensuring all farm visits are correctly invoiced and sent in a timely manner to our clients. Nora also liaises with the Department of Agriculture payments for TB testing.
Alexa DuPlessis
Alexa DuPlessisAdministrator
Alexa joined the Glasslyn team in March 2020 and is originally from South Africa. She has a BCOM degree in Human Recourse Management. Between her time here in Ireland and back in South Africa, Alexa has worked at a Vetshop, Dog Hotel, Animal Rehabilitation and Hydrotherapy Centre, Boarding Kennels and Veterinary Clinic.
She loves taking her 2 kids and 3 dogs (Zac, Smeagol and Baloo) on walks through the woods. She also has an African Grey Parrot named Kerneels and 2 Goldfish!
Grainne Wilson
Grainne WilsonVeterinary Nurse RVN
Grainne studied Veterinary Nursing at St Johns College until 2021. She joined our Glasslyn Team in 2019 for work experience and has since been offered a permanent spot. Grainne has a Springer cross called Taz and loves to take him for walks. She also loves sports and hanging out with her friends.
Caitriona O'Mahony
Caitriona O'MahonyGlasslyn Fluff n Buff Groomer
Caitriona is a QQI Level 5 and 6 certified dog groomer and also achieved a level 5 in Companion and captive studies (2020) and Level 6 in Animal science and management (2021) from St. John’s central College. She has a keen interest in breed standard style and show trims and in her free time she likes arts, crafts and socialising.
Niamh Coughlan
Niamh CoughlanVeterinary Nurse RVN
Niamh has joined Glasslyn in 2021. She has two dogs, one cat, one rabbit and a fallabella and in her spare time she spends time looking after her animals, spending time with family and going for walks.
Holly Cooke
Holly Cooke Veterinary Nurse RVN
Holly joined the team in May 2022, having achieved a BSC in Veterinary Nursing in AIT in 2017. She has bountiful experience in Equine Nursing and Orthopaedic Nursing, with a special interest in holistic care for Small Animals. She enjoys taking her Boston Terrier Olive for adventure walks in her spare time and running.
Yvonne Roycroft
Yvonne RoycroftReception
Maighread McCarthy
Maighread McCarthyReception