Grownoski is licensed to practice in the state of Michigan and is certified by the American Association of Nurse Practitioners. She holds additional certifications in basic life support, advanced cardiac life support, trauma, pediatrics and critical care. She lives in Mason with Brian Gronowski, her husband a quality-assurance specialist for Emergent BioSolutions in Lansing. The couple, who met in high school in Brighton, began dating during their junior year of college. They now have two daughters – Kaitlyn, and Madilyn. A beagle, Sasha, rounds out the family.