Meet The Team
Associate Coaches
Sharon Powell
Certified Professional Coach
Specialising in ADHD, Autism
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​A late diagnosed AuDHDer, Sharon graduated from the Aspire Coach Academy as a Professional Coach. She is currently working towards the ACC credential from ICF.
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An ADHD Coach in Training, Sharon is warm, passionate and dedicated to helping people access the core of who they are. She guides clients on a thought-provoking journey of self-discovery, empowering them to live more authentically.
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She also has extensive training in Autism, and plans to work with Autistic individuals in the future.​ She is currently developing a training programme in collaboration with Claire.​
Guillaume Tourette
Certified Professional Coach
​Specialising in ADHD
Guillaume is a late-diagnosed ADHD and autistic father of two neurodivergent children. Experiencing coaching as life-changing, he believes everyone should have access to it.
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He is passionate about helping individuals understand their neurodivergence and uncover their strengths in a safe, supportive, and non-judgemental space.
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After leaving the corporate world, Guillaume trained as a life coach in 2024 and completed Advanced ADHD Coach training with ADDCA in 2025. ​Guillaume offers in-person sessions in North Dublin and also coaches in French.
Siun Aherne
Trainee Professional Coach
Specialising in ADHD
Siún is a coach with a background in healthcare, education, and organisational leadership, with over 20 years’ experience supporting individuals to navigate complexity, reach their potential, and achieve their goals.
She has a particular interest in working with adults with ADHD, supporting clients to better understand how their brains work and to develop practical, sustainable strategies that fit their lives.
She holds an MSc in Developmental Disabilities, a Masters in Management, and a BSc in Nursing from University College Dublin, and is currently completing a Professional Diploma in Coaching and Mentoring.
Elle Garvey
Certified ADHD-informed Coach
Elle is a certified ADHD-informed Coach (Gold Mind Academy) working toward ICF ACC accreditation.
As a chronically ill AuDHDer and single parent to a neurodivergent young person, she understands how standard advice that emphasises productivity, consistency and willpower often lead to burnout and shame for neurodivergent people. She supports clients to build values-led, flexible strategies that honour how their brains and bodies work.
Elle holds a BA in Psychology and Master of Public Policy. Her background in NGOs and disability advocacy inform her interest in evidence-informed practice and intersectionality.
Facilitators
Shannon O'Brien
Community Facilitator
Shannon is an experienced group facilitator and passionate advocate for ADHD awareness, particularly in women. Diagnosed in her mid-20s, Shannon has dedicated herself to deepening her understanding of ADHD, with a special focus on its interaction with hormonal changes.
With a background in tourism and a natural ability to connect with people, Shannon has helped countless ADHDers gain clarity and confidence in their own journeys.
Her experience of coaching was transformational and has inspired her to train as a Coach. Her ultimate goal is to build a thriving coaching career, foster meaningful conversations around ADHD, and break down the stigma that still surrounds neurodiversity.
Membership & Accreditation
Our Coaches are all professionally certified and adhere to the code of ethics of coaching organisations.
