With over 30 years of international consulting and coaching experience with individuals, teams and leaders, David is ideally placed to help you achieve your goals. His candid approach and sense of humour make hearing and learning the ‘difficult stuff’ both stimulating and fun. 


More about the two founders of Mindset College

David Sammel


David Sammel, born in Johannesburg, South Africa, is a world prominent tennis coach and accredited Association of Tennis Professionals (ATP) Tour Coach, earning their highest coaching award in 2016. He has coached dozens of athletes to represent their countries internationally, including four Olympians.

He has authored several publications, including the best-selling book Locker Room Power. He specializes in providing inspirational and pragmatic recommendations on how to develop mental strength, a winning attitude and how to be successful in any competitive environment. David’s programmes are tailor-made to fit each client’s needs.

Ralph Clarke 


Ralph played tennis professionally on tour for numerous years before coaching at a performance level. His perspective as a successful athlete and coach brings to the team knowledge and experience that benefits all our candidates. Ralph has over 20 year experience in the world of professional and student athletics. Originally from a tennis/ squash playing and coaching background. Ralph started assisting European athletes on the path to US college scholarships over 10 years ago and adds a huge amount of US college knowledge to the team. Based in the UK