Jack founded and leads Apex Acoustics Ltd, a 100% employee-owned consultancy with 27 experts in acoustics, air tightness, air quality, and overheating. Since 2012, he's researched noise and ventilation design for dwellings, co-organising an international conference session on facade sound insulation in 2024. Jack sits on British and International Standards committees, and advised DLUHC on 2021 Approved Docs F and O updates.