Dr. Brandy Zachary, DC, IFMCP, known as Dr. Z, is the founder and CEO of TDZ Functional Medicine Academy (TDZ-FMA), LabDX and DiagnoseThis. She is a chiropractic physician and Institute for Functional Medicine Certified Practitioner. She built TDZ-FMA with no outside investment into a 2026 Inc. 5000 company with 2,095% three-year growth. Dr. Z is the inaugural Gold Stevie® Award winner for Best Female Entrepreneur and the author of eight books, including a McGraw-Hill title.
