Our Leadership Team

Each member of the Lumexa Imaging team brings skills and experience critical to our collective success.

We’re here as resources for our partners, offering business leadership, financial expertise and operational support.

Lumexa Imaging Executive Leadership Team

Caitlin Zulla

Caitlin Zulla Chief Executive Officer

Dan Balentine

Dan Balentine Division President

Jennifer Bibles

Jennifer Bibles Division President

Chris Core

Chris Core Chief Growth Officer

Rick Grodin

Rick Grodin Division President

Jill Lewandowski

Jill Lewandowski Chief People Officer

J. Anthony Martin

J. Anthony Martin Chief Financial Officer

Alyssa Pepper

Alyssa Pepper Chief Strategy Officer

Chris Robertson

Chris Robertson Chief Revenue Officer

Julie Szeker

Julie Szeker Chief Legal Officer

Lachlan Tidmarsh

Lachlan Tidmarsh Chief Information Officer

Russell Stewart, M.D.

Russell Stewart, M.D. Chief Medical Officer

Lumexa Imaging National Physician Leadership Team

Mark Fromke, MD

Mark Fromke, MDMallinckrodt Institute of RadiologyBody Imaging, Breast Imaging/Mammography

Bobby Kalb, MD

Bobby Kalb, MDEmory University School of MedicineBody Imaging, General Radiology

Gregory Goodworth, MD

Gregory Goodworth, MDThe Hospital of the University of PennsylvaniaBody Imaging, Diagnostic Imaging

Kevin Barry, MD

Kevin Barry, MDGeorgetown University Medical CenterBody Imaging, Diagnostic Imaging

Markus Holzhauer, MD

Markus Holzhauer, MDDuke University Medical CenterBreast Imaging, Cross-Sectional Imaging

Raja Cheruvu, MD

Raja Cheruvu, MDUniversity of California at San DiegoCross-Sectional Imaging, Oncologic Imaging, Prostate MRI

Sean Bryant, MD

Sean Bryant, MDUniversity of California, San FranciscoNeuroradiology

Hari Charan Reddy, MD

Hari Charan Reddy, MDThe Johns Hopkins Medical Institutions, BaltimoreNeuroradiology

Shannon Hill, MD

Shannon Hill, MDFlorida State UniversityBody Imaging, Breast Imaging/Mammography

Miriam Geoffroy, MD

Miriam Geoffroy, MDUniversity of ArizonaPediatric Radiology

Jack Lake, DO

Jack Lake, DOUniversity of Health Sciences, Kansas City, MONeuroradiology

Board of Directors

Lee Cooper Chair of the Board

Molly Joseph Lead Independent Director

Caitlin Zulla CEO & Director

Brett Brodnax Director

Glenn Eisenberg Director

Bridget Karlin Director

Matthew Lungren, MD Director

Robert Mittl, MD Director

Brian Regan Director

Shaping the Future of Imaging

Contact Us Today

Lumexa Imaging is building the nation’s premier imaging partnership. If your organization shares our Mission, let’s connect.