Our Executive Team

Radiology Imaging Associates is proud to hold a team of skilled, dedicated executives and managers with decades of collective experience assisting doctors, patients, insurance providers and other professionals, creating a warm, personal and productive experience. Our leadership team is committed to helping your practice expand and improve its offerings, operations and overall care to your community.

Caleb Rivera, MD

President

**Ryan Vaughan**
Chief Operations Officer

**Amanda Yancey, RT (R)**
Manager of Digital Marketing

**Herman Parker**
Director, Technical Services

Lisa Adams, MBAChief Executive Officer — **Lisa Adams, MBA**
Chief Executive Officer

**Jon Houghton**
Chief Information Officer

**Marcia Wilson, RT (R) (M)**
Director, Operations East Coast Division

**Kevin Dirlam BS, RT (R) (MR) (MRSO)**
Regulatory and Compliance Manager

Tracy Phipps, CPAChief Financial Officer — **Tracy Phipps, CPA**
Chief Financial Officer

**Matt Stephens, RT (R)**
Director, Business Development

Tonya D’Ambrosio Director, Operations Ocala Division — **Tonya D’Ambrosio, RT (R)**
Director, Operations Ocala Division