Meet Our Team

Sean Farrell AFC (Accredited Fellow Coach IAPCM)

Seann Farrell AFC (Accredited Fellow Coach IAPCM)

Hypnotherapist & Psychotherapist (ADHP) since 1997
Professional Coach since 1999
Coach -Trainer since 2000
NLP Practitioner since 2003


After working as a psychotherapist since 1997, Seann trained as a Life Coach in the USA and In 2002 he set-up Mindstream Life Coach Training in 2002. Since then he has trained several thousand students in the art of Life & Business Coaching in Ireland and abroad. In addition, he was chosen to deliver his course to two universities in Colombia for their senior management.


He has delivered over 2000 hours of coaching along with several thousand workshops and seminars on coaching.

He also teaches Mindfulness & meditation-skills and assists others to develop a greater sense of awareness, self-empowerment in all aspects of mind, body, spirit to develop an understanding of one’s life journey.

Derval Chambers Petit. B.Sc., ASC (Accredited Senior Coach IAPCM)

Derval Chambers Petit. B.Sc., ASC (Accredited Senior Coach IAPCM)

Derval has been working as a Life & Career Coach and Trainer since 2008. After completing a Degree in Business & Marketing in 2000 she started her career working in Human Resources where she held various HR related positions for 10 years.


After moving to France in 2008 she changed career, qualified as a Life coach and NLP Practitioner and set up her practice in Coaching and Training. Derval subsequentially completed a further Diploma in Life Coaching in 2015 with Mindstream and also qualified as a Certified Trainer QQI Level 6.

Derval is also a Member of the Association for Coaching and an ASC (Accredited Senior Coach) with the IAPCM.


She works with clients who are looking to make positive and lasting changes in all areas of life both personally and professionally and specialises in career changes along with interview preparation and delivery.

Derval returned to Ireland in 2016 and offers her services in Dublin and internationally by Skype.

Ariana Dunne

Ariana Dunne

After a hugely successful 18-year career in the media industry, working for some of the largest publishing companies in the world and after retraining as a Life and Executive coach with Mindstream, Ariana decided to embark on a new path as a self-employed entrepreneur creating many new business-enterprises.

Ariana has coached a vast range of clients and is an accredited APC with the IAPCM delivering one-to-one coaching, corporate coaching for large corporations, along with recruiting, onboarding and training via her company

Ariana also delivers freelance sales and corporate consulting for various companies, she is an accomplished public speaker and lectures with the Fitzwilliam Institute, DMAI, Mindstream and the IECS, teaching Digital Media and Marketing.


Ariana is also a trained celebrant, and has a monthly column in Stellar magazine.

For More Information on our Life Coaching Courses Get in Touch with Mindstream Today