Management & Leadership
Meet our team

Hallmark is led by passionate experts with an average of 20+ years’ experience in IT, nursing, process engineering, finance, and healthcare. We are committed to strengthening communities by producing technologies, support services, and thought leadership that tangibly improve patient care and community health outcomes. 

Leadership Team

Bharat Sundaram

Chief Executive Officer
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Nick Brignola Chief Financial Officer

Nick Brignola

Chief Financial Officer
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Dimitry Plotko Chief Product and Technology Officer

Dimitry Plotko

Chief Product and Technology Officer
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Jim Teas Chief Revenue Officer

Jim Teas

Chief Revenue Officer
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Tara Davidson Chief Human Resources Officer

Tara Davidson

Chief Human Resources Officer
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Andrea Mazzoccoli Chief Nursing Officer

Andrea Mazzoccoli

Chief Nursing Officer

Board of Directors

Pat Ryan

Chairman

Bruce Cerullo

Director
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Matthew Thompson

Director
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Ross Stern

Director
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Neeraj Isaac

Director
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K. Kelly Hancock

Director
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Peter Rottier Director

Peter Rottier

Director

John Kuelper

Board Advisor
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Executive Advisory Board

Cathy Jacobson

Chair
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Gay Landstrom

Gay Landstrom

Member
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Tom Priselac

Tom Priselac

Member
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Kate Walsh

Kate Walsh

Member
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Terry Shaw

Terry Shaw

Member
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