Meet the Team

  • Denise Merrigan

    FOUNDER, LEAD RN

    Denise is a veteran nurse, most recently at Boston Children's Hospital, where she served as an RN on a cardiac medical/surgical intermediate care unit. In the years following the pandemic, she made the pivotal decision to shift gears and take her expertise and launch ThrIVe Hydration and Aesthetics. Denise resides in Hingham, with her husband and business partner Pete, the three children, and golden retriever Cooper.

    Services: IV Therapy and Vitamin Injections

  • KATE BROWN | MILTON

    NURSE

    Kate is an active nurse, educator and mom to three sports-loving children. She has an extensive background as an RN, serving at Mass General’s Respiratory Acute Care Unit and Medicine Unit. At the same time, she also substitutes as School Nurse across various schools within the Boston Public Schools system. Kate prioritizes her own continuing education, and that of new nurses, as a Clinical Instructor at the Massachusetts Institute for Health Profession.

    She is excited to bring her passion for holistic health and wellness to ThrIVe, as our Lead Nurse in Milton.

    Services: IV Therapy, Vitamin Injections

  • MISSY Ertel

    NURSE

    Missy is an experienced nurse who brings her deep knowledge into every client experience. She’s able to understand their specific needs and build out a wellness approach to match.

    Services: IV Therapy , Vitamin Injections, Aesthetics

  • MORGAN FITZGERALD

    NURSE

    Morgan’s passion for nursing developed out of her first career in human development and psychology. She started her nursing career on a trauma surgical floor and has since transitioned into the emergency department. She’s loves what she does and is excited to bring her mutifaceted experience to ThrIVe clients.

    Services: IV Therapy and Vitamin Injections

  • Brianne Murphy

    NURSE

    In 2006 Brianne Murphy embarked on her nursing career in pediatric emergency medicine at Boston Children’s Hospital. Her commitment to training and onboarding new nurses eventually led to her current role as a Clinical Educator. During this journey, she discovered a deep interest in medical aesthetics. Over the past four-plus years, she dedicated herself to specializing in medical-grade skincare, neurotoxin injectables, and vitamin IV therapy.

    Services: Services: IV Therapy , Vitamin Injections, Aesthetics