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

Bruce Cerullo

CEO

Glenn Cole

COO

Dimitry Plotko

Chief Product and Technology Officer

William Reau

Chief Revenue Officer

Dave Butcher

Chief Growth Officer

Tara Davidson

Chief Human Resources Officer

Matt Resteghini

Chief Marketing Officer

Cory Brasel

CIO

Jon T. Emaus

General Counsel

Vivek Kumar

Chief Delivery Officer

James J Foote

CISO

Rajiv Bajaj

Chief Delivery Officer, Einstein II

Brandon Chamberland

Senior Vice President, Product & Partnerships

Matt Dane

Senior Vice President, Enterprise Clients

Nichole Walsh Lacko

Senior Vice President, Finance

Crissi Matthews

Senior Vice President, Technology Implementation

Board of Directors

Pat Ryan

Non-Executive Chairman

Bruce Cerullo

CEO

Matthew Thompson

Director

Ross Stern

Director

Gay Landstrom

Director

Neeraj Isaac

Co-founder & Director

K. Kelly Hancock

Director

John Kuelper

Board Advisor