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
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 and is currently the Director of XL Vets. 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 as a partner 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.
Declan Horan
Declan HoranDVM MRCVS
Declan grew up on a Dairy farm in Cashel. He Graduated from Warsaw University in 2015 and is currently completing a certificate in small animal surgery in the UK.
Declan worked in Northern Ireland for 3 years and joined the Glasslyn team in 2017. He is interested in all areas of veterinary medicine especially surgery.
Outside of work he’s interests are sports and fitness.
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 is interested in badminton and going to the gym.
Debbie YatesMVB MRCVS
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.
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/Administrator
Vivienne joined Glasslyn in July 2018, seeking a career change from Hospitality. She completed a Diploma in Veterinary Assisting and Pet Care shortly after joining us and is endeavouring to further her studies into Veterinary Nursing in the future. Vivienne has a special interest in small animal care, specifically after-care for surgery patients.
In her spare time, she enjoys running and baking and going for walks with the family dog, Beano, a rescued Patterdale Terrier.
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.

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.
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.
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.
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, Doggy Hotel, Animal Rehabilitation and Hydrotherapy Centre, Boarding Kennels and Veterinary Clinic.
She likes to dedicate her free time to her family. She especially loves taking her 2 kids and 2 dogs (Zac and Smeagol) on walks through the woods. She also has an African Grey Parrot named Kerneels.