John Modzelewski
Principal, Ignition Tax at KPMG US
John Modzelewski is a Principal in KPMG's Tax Technology practice and serves as the Chief Data Officer for the Tax function. With over 20 years of experience, he provides tax advice to public and private entities across industries such as private equity, power and utilities, pharmaceuticals, technology, media and entertainment, and diversified industrials. John collaborates with clients and engagement teams to unlock actionable insights from data and benchmarking signals, leveraging generative AI and machine learning in tax data and analysis. He leads the development of financial and tax models at KPMG to calculate the impact of key U.S. and global tax reform provisions, facilitating scenario planning for new tax laws and regulations.