Cara Vivarelli-O’Neill, MPH

“Creating raving fans is fundamental to how we approach our business. It’s critical to our client’s success—and what drives our growth as a company.”

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As Chief Growth Officer, Cara leverages a 20-year career in the healthcare and pharmaceutical industry to lead business development and marketing at 3D. She is recognized as a multi-disciplinary problem solver who offers strategic insights and practical solutions for key company initiatives — and clients’ highest-stakes communications. 


Cara knows what it takes to keep 3D’s client-centric strategy and vision front and center. She is a trusted partner who actively listens to what clients need — and what the marketplace demands — ensuring 3D’s services position clients for success while driving growth for 3D. Cara also leverages her external affairs, corporate communications, and client relations experience to elevate 3D’s brand and reputation.


Prior to joining 3D Communications, Cara held high-profile positions in external affairs and communications, academic and medical affairs, policy and government affairs, and regulatory affairs at ViiV Healthcare, GSK, and Merck. She was also the public affairs director at The Children’s Hospital of Philadelphia.

Cara received a bachelor’s degree from The Johns Hopkins University and a Master of Public Health degree from George Washington University’s Milken Institute School of Public Health. She is a member of the Omicron Delta Kappa National Leadership Honor Society.

Special Interests

Cara’s passion for helping people goes beyond communications. She is an active volunteer for local charities, including Family Promise of Wake County and the Foundation of Hope for Research and Treatment of Mental Illness. She is a sports enthusiast who also enjoys cooking, traveling the world, and spending time with her family.

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