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Leadership

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Darren Bullock, MBA

Chief Operating Officer

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Brendan Essary, MD

President, RIA & Managing Partner, Medical Imaging of Colorado

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Andrea Halder-Giles

Chief Financial Officer

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Geoff Lawton, MBA, PharmD, FASHP

Chief Executive Officer

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Sean O’Donnell

Chief Information Officer

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Samuel Wang, MD, FACR

Chief Medical Officer

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Michael Yeater, MBA

Director, Human Resources

Marketing & Sales

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Diana Corrales

Marketing & Sales Director

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Ana Deffigos

Account Manager & Marketing Specialist

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Bri Grantz

Account Executive

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Derek Anderson

Account Executive

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Lindsay Crandall

Sales Operations Coordinator

For any questions about marketing, please reach out to our marketing team: MarketingTeam@riaco.com