Don Lippert serves as Principal and National Property Tax Leader at Grant Thornton Advisors LLC, where he oversees strategy and execution for one of the firm’s most dynamic service lines. With more than three decades of experience, Don brings an enterprise perspective to property tax compliance and advisory, delivering measurable value to clients navigating complex and evolving tax landscapes. He currently leads a high-performing, cross-border team of 70 professionals, aligning tax strategies with broader business objectives.

Prior to joining Grant Thornton, Don held a senior leadership role at General Electric, where he managed the global property tax function for its Energy, Healthcare, Water, and Industrial divisions. His initiatives generated over $105 million in tax savings, underscoring his ability to drive performance through operational innovation and fiscal discipline. Don began his property tax career with a leasing company and quickly elevated his abilities by joining a Big 4 accounting firm, building the foundation for his broad expertise in strategic tax planning and execution.

He advises Fortune 500 clients and emerging enterprises alike across industries including manufacturing, retail, multi-family, senior living, hospitality, healthcare, captive finance, transportation, technology and centrally assessed – railroad, energy, airlines and telecommunication.

Credentials and Affiliations:
• Certified Member (CMI), Institute for Professionals in Taxation
• Licensed Senior Property Tax Consultant, State of Texas
• Member, International Association of Assessing Officers (IAAO)
• Published author and speaker on tax strategy and organizational performance

Don lives in Glenview, IL (suburb of Chicago), with his wife Allie, kids Ava (Senior at SCAD), Sophie (Sophomore at Arizona) and Max (Senior in HS). Outside of work, he enjoys attending sporting events, concerts, travel, and spending time with the family at Disney.