The Team

Director of Tennis Sena Tengey

Sena Tengey – Director of Tennis 07855495025 Sena is the founder of Diamond Tennis Academy and  has been coaching since 2000 and has experience and a passion for getting more people to play tennis. He set up Diamond Tennis Academy in 2006 and has been linking in with the local community ever since. He completed his Master Club coach award in June 2016 (UkCCL5)

Experience and Interests:

Sena used to play tennis tournaments in the South Wales and West area, and still enjoys a game of singles. Has a degree in Accountancy and Management, from Cardiff University and a Professional Tennis coach Management degree from Northumbria University.

 The Coaches


Senior Coach Chris George

chris-george2016 07800555462 Coach Chris is qualified to UKCC level 3 and was Head Coach of Lisvane Tennis Club for 6 years. At Lisvane Chris ran lessons from ages 5 through to adult as well as providing team coaching for members. Chris has also gained experience working with wheelchair tennis players at Cardiff Wheelchair Tennis Club. Interests: Chris loves to play tennis in his spare time. He spent 3 years as men’s first team captain at Lisvane and has also had victories in the men’s singles and men’s doubles finals in the annual tournament. Chris also follows Cardiff city and is a season ticket holder at the Cardiff City Stadium. He also works at Willows High School with Children that have behaviour problems, meaning that patience and different forms of communication are needed on a daily basis. An attribute which is also key in tennis coaching.

Assistant Coach Jack Lake

Coach Jack Lake


Coach Jack currently holds a level 2 tennis coaching qualification along with prior qualifications. After beginning an education in coaching at a young age, he has gained over 3 years of experience in a volunteer role and also as a coach. Tennis is a large part of his daily routine and has been for as long as he can remember which has led to him competing in tournaments in the local area. Having been through a coaching program as a junior he has experienced a similar process to the one at DTA himself and is keen to use this in the development of tennis in young people.

 Assistant Coach Hristo Anastasov


Hristo is a Level 2 coach who also plays for the Cardiff University first team while studying Business and Finance at Cardiff University.

Assistant Coach Katy Birova


Katy completed her Level 1 coaching qualification in October 2016 and is booked on for her level 2. She plays for Cardiff University ladies’ first team while studying Economics and Finance.

Assistant Coach Henry Dawson

details to follow…..

Assistant Dafydd Fenner


details to follow……