Our Team

Meet the Team Driving Innovation in
Therapy Benefit Management

At Holista’s Therapy Division, our leadership team brings together decades of experience in healthcare operations, technology, and provider relations. United by a shared mission to simplify and improve therapy benefit management, our leaders are committed to delivering exceptional support, value-based solutions, and a provider-first experience. Get to know the people behind Holista’s vision and day-to-day excellence.

Leaders in Therapy Benefit Management

David Dingley

President

As President of Holista, David Dingley leads the organization with a focus on strategic direction, operational excellence, and the advancement of therapy benefits management. Under his leadership, Holista continues to grow, delivering innovative solutions and high-touch support to providers and partners across multiple states.

Mr. Dingley holds a MBA from the Keller Graduate School of Business, and is a graduate of Wabash College.

Christine Olejniczak

Vice President,
Therapy Division

Chris Olejniczak has been with Holista since nearly its inception and brings deep institutional knowledge and unwavering dedication to her role. As Vice President of Holista’s Therapy Division, she oversees the day-to-day operations, ensuring providers receive the support they need and that claims are processed accurately and efficiently.

Ms. Olejniczak works tirelessly to maintain strong provider relationships and continuously elevate the performance of the division—ensuring it operates at its highest potential to meet the evolving needs of the Aetna program and its affiliated partners.

Timothy Gray

Director of Operations,
Therapy Division

Tim Gray leads operational strategy and execution for the Holista’s Therapy division, focusing on optimizing workflows and elevating the provider experience. He ensures Holista delivers timely, accurate, and efficient support throughout the provider partnership with the Aetna program.

Mr. Gray is currently spearheading a transformative initiative to completely redesign how providers interact with Holista—streamlining processes and incorporating AI-driven tools to keep Holista at the forefront of therapy benefit management.