Management & Leadership
Meet our team

Hallmark Health Care Solutions 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

Isaac Ullatil

Co-founder and CEO

Bill Naughton


Neeraj Isaac

Co-founder & CTO

William Reau

Principal & COO

Dave Butcher

Chief Growth Officer

Eric Frantsvog

Chief Financial Officer

Tara Davidson

Chief Human Resources Officer

Matt Resteghini

Chief Marketing Officer

Jon T. Emaus

General Counsel

Vivek Kumar

Chief Delivery Officer

James J Foote


Rajiv Bajaj

Chief Delivery Officer, Einstein II

Jason Main

Senior Vice President, Product Management and Strategy

Brandon Chamberland

Senior Vice President, Product & Partnerships

Matt Dane

Senior Vice President, Business Development, Einstein II

Nichole Walsh Lacko

Senior Vice President, Finance

Crissi Matthews

Senior Vice President, Technology Implementation

Board of Directors

Matthew Thompson


Michael D. Snow


Todd Plesko


Scott Weingarten


Gay Landstrom


Isaac Ullatil

Co-founder and CEO

Advisory Council

Chris Cotteleer


Todd W. Godfrey