Fergal holds a degree in Mechanical and Manufacturing Engineering from Trinity College Dublin (TCD), a Master’s of Science from Stanford University and a Masters of Business Administration from Harvard University.

Following multiple roles in Glen Dimplex businesses across the world, he was previously Group CEO between 2016 and 2021 and subsequently became Group Executive Chairman. In 2025 he returned to CEO role.

Kerstin Wolff was named CEO of Heating & Ventilation of Glen Dimplex Deutschland in September 2023. Before, she held the position as Chief Commercial Officer in Heating & Ventilation division, on 1st March 2023. 

She has extensive sales and marketing experience as well as expertise in strategic brand and customer relationship management. 

Johnny Dunne was appointed CEO GDI in March 2015. Prior to that he was appointed Commercial Director in 2002 when GD acquired their distribution partner of over twenty years where he held position as Commercial Director. Johnny has spent his entire career in electrical appliance distribution business managing brand portfolios across categories, Domestic appliances, consumer appliances, Flame appliances and Commercial Heating and Ventilation.