John O’Connell is an experienced board-level advisor and operator with a track record of building and scaling businesses in post-investment environments. He brings deep expertise across operations, commercial execution, and organizational leadership, consistently driving performance improvement and enterprise value creation. John currently serves on the board of Nashton HVAC Holdings under Eastern Exterior Partners, where he provides strategic guidance on growth priorities, governance, and operational discipline. He is a trusted resource for PE-backed management teams navigating growth and organizational complexity.