AeroCoach coaching team

The AeroCoach coaching team has many years of experience with a wide variety of clients - from professional riders and teams to club riders looking to improve their performance. Find out more about the team below:


B Xavier Disley, PhD, MSc

Since 2010 Xavier has overseen multiple domestic and overseas successes including multiple CTT and UCI National Champions (track & road). Xavier holds an MSc in Sports Performance from the University of Portsmouth and a PhD in Exercise Physiology and Kinematics from the University of Birmingham, and as well as extensive aerodynamic and biomechanical expertise has a particular interest in HIIT (High Intensity Interval Training) for a variety of applications. 

Garrie Tillett, BSc

Garrie Tillett is a British Cycling qualified Level 3 Coach, Ride Leader and Level 3 Track Coach. He has 10 years experience of coaching riders predominantly on the indoor track at Wales National Velodrome, from amateur riders to international professionals and World Champions.

Voted Coach of the Year at the Welsh Cycling annual awards 2015, Garrie is a life long cyclist and rides the odd "Club 10" for fitness and enjoys Sunday club rides when possible.


Andy Jackson

A prolific time triallist and former CTT National Champion / UMCA World Champion - Andy holds one of the fastest 12hr TTs of all time with >300 miles. Andy has also completed 10x Ironmans including the prestigious Hawaii Ironman world championships, and has a specialism for triathlon and long distance cycle racing, with >20 years of sporting experience and involvement in coaching for the past 3 years.

Dan McKimm, BSc

Dan is a graduate of the University of Birmingham where he studied Sports and Exercise Science as well as becoming University Criterium champion. He has an in-depth understanding of how to maximise performance gains in the most efficient manner, having provided sports science support to international and world-class athletes across a range of sports in coaching and Talent ID.

Dan is an experienced racer himself on both the road and track having been supported by the prestigious Dave Rayner Fund as well as racing full time on the continent with French DN3 team AS Corbeil-Essonnes and in the UK for Elite national team Neon Velo. 



Lydia Gurley, MSc

Lydia is a professional international cyclist and former national champion of Ireland for the individual pursuit. With UCI European and World Cup medals on the track and National medals in both time trial and road race, her continued experience in an elite sport environment provide exceptional insights into maximising performance. She is the current CTT Womens Team Comp record holder over 10 miles.

Outside of national team duties Lydia also regularly races in the 6 day circuit on the track.

Hayley Simmonds, PhD

Hayley Simmonds has an extensive track record in professional cycling, being a multi UCI & CTT National Champion in the time trial and representing Great Britain at World Championships for both the road race and time trial. Hayley competes at an international level for professional women's Team WNT, and has stood on UCI podiums alongside World and National Champions. Her top level first hand experience of international success gives an exceptional ability to optimising all aspects of cycling performance.

Mark Holt, PhD

Mark raced from 1999 to 2011 across multiple disciplines and in multiple countries, before starting coaching in 2012. Since then he has masterminded all 13 of Hayley Simmonds’ National titles, helped multiple other riders achieve national medals and overseen UCI, Premier Calendar and Elite-level victories on the road. Mark also acted as a consultant to the English Institute of Sport in the run-up to the Rio Olympics.