Senior Manager, Welch LLP

Sean Duffy is a CPA and Senior Manager at Welch LLP, where he leads a cloud-based Client Advisory Services team of over 25 professionals. He specializes in building scalable accounting systems, automation, and high-performing teams within a 500-person firm. Sean is focused on improving service quality through structure, feedback loops, and team engagement, with a particular emphasis on eNPS as a driver of performance and retention. He has helped design and implement internal frameworks that elevate staff experience while delivering consistent client outcomes, and is passionate about creating environments where people take ownership and own the journey.