Thomas is a leading international expert in the areas of leadership development, career development, career assessment and career guidance. He has over twenty years experience working with industry, education and the public sector. He has published research on careers and teaches career assessment to career guidance teachers at the University of limerick. He has extensive consultancy experience in areas such as leadership development, career development and planning, multisource feedback and assessment centres. He is qualified in the administration, scoring and assessment of psychometric instruments and he has experience in career assessment for adolescents, mature students and employees in career transition.