Clinical Director, Managing Clinical Director

Oliver D. Pynn

BVSc, CertEP, MRCVS

Managing Clinical Director

Ollie is a Clinical Director and a member of the Newmarket stud team, looking after the bloodstock of a number of Thoroughbred stud farms.

He joined the partnership at Rossdales in 2009 and became a clinical director in 2021.  In July 2026, he became Managing Clinical Director.

Ollie qualified from the University of Bristol Veterinary School in 2001 and joined Rossdales in 2003.  Apart from a 6-month spell working a stud season in New Zealand at Windsor Park Stud, he has been part of the Rossdales team ever since.

Publications

• Naturally occurring horse model of miscarriage reveals temporal relationship between chromosomal aberration type and point of lethality.

  Lawson JM, Salem SE, Miller D, Kahler A, van den Boer WJ, Shilton CA, Sever T, Mouncey RR, Ward J, Hampshire DJ, Foote AK, Bryan JS, Juras R, Pynn OD, Davis BW, Bellone RR, Raudsepp T, de Mestre AM

  2024 Aug 13 Proc Natl Acad Sci USA 121 (33) epub: 2024 Aug 5 doi: 10.1073/pnas.2405636121 PubMed: 39102548

• Managing mare dystocia in the field

  Pynn OD

  2014 In Practice 36 347-354

• Managing dystocia in the field

  Pynn OD

  2014 Robinson’s Current Therapy in Equine Medicine 709-12

• Successful isolation and culture of equine placental cells from failed early pregnancies

  Firth MJ, Cabrera-Sharp V, Rose BV, Cameron IJ, Crowhurst J, McGladdery AJ, Neal H, O'Brien P, Pynn J, Pynn OD, Smith C, Verheyen KL, Wathes DC, de Mestre AM

  2014 J Vet Eq Sci 34 1 187 http://dx.doi.org/10.1016/j.jevs.2013.10.137

• A method for isolating and culturing placental cells from failed early equine pregnancies

  Rose BV, Cabrera-Sharp V, Firth MJ, Barrelet FE, Bate S, Cameron IJ, Crabtree JR, Crowhurst J, McGladdery AJ, Neal H, Pynn OD, Smith C, Wise Z, Verheyen KL, Wathes DC, de Mestre AM

  2016 Placenta 38 107-11 epub: 2015 Dec 24 10.1016/j.placenta.2015.12.014 PubMed: 26907389