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.Â
Leadership Team
![](https://www.hallmarkhcs.com/wp-content/uploads/2023/12/Bruce_Cerullo_00020-scaled-e1702069356116.jpg)
Bruce Cerullo
CEO
![](https://www.hallmarkhcs.com/wp-content/uploads/2024/03/Glenn_Cole-1.jpg)
Glenn Cole
COO
![](/wp-content/uploads/2023/03/bill-naughton.jpg)
Bill Naughton
President
![](/wp-content/uploads/2023/03/neeraj-isaac-1.jpg)
Neeraj Isaac
Co-founder & CTO
![](/wp-content/uploads/2023/03/william-reau.jpg)
William Reau
Chief Revenue Officer
![](/wp-content/uploads/2023/03/senior-vp-dave-butcher-1.jpg)
Dave Butcher
Chief Growth Officer
![](https://www.hallmarkhcs.com/wp-content/uploads/2024/03/Tara-Davidson-e1709319105255.png)
Tara Davidson
Chief Human Resources Officer
![](/wp-content/uploads/2023/03/matt-resteghini.jpg)
Matt Resteghini
Chief Marketing Officer
![](https://www.hallmarkhcs.com/wp-content/uploads/2024/03/Cory_Brasel-1.jpg)
Cory Brasel
CIO
![](/wp-content/uploads/2023/03/jon-t-emaus.jpg)
Jon T. Emaus
General Counsel
![](/wp-content/uploads/2023/03/vivek.jpg)
Vivek Kumar
Chief Delivery Officer
![](/wp-content/uploads/2023/03/jamesj.jpg)
James J Foote
CISO
![](/wp-content/uploads/2023/03/rajiv-bajaj.jpg)
Rajiv Bajaj
Chief Delivery Officer, Einstein II
![](/wp-content/uploads/2023/03/brandon.jpg)
Brandon Chamberland
Senior Vice President, Product & Partnerships
![](/wp-content/uploads/2023/03/matt-dane.jpg)
Matt Dane
Senior Vice President, Enterprise Clients
![](/wp-content/uploads/2023/03/nichole-walsh-lacko.jpg)
Nichole Walsh Lacko
Senior Vice President, Finance
![](/wp-content/uploads/2023/03/crissi-matthews.jpg)
Crissi Matthews
Senior Vice President, Technology Implementation
Board of Directors
![](https://www.hallmarkhcs.com/wp-content/uploads/2024/02/Pat_headshot_1_cropped-lrg.png)
Pat Ryan
Non-Executive Chairman
![](https://www.hallmarkhcs.com/wp-content/uploads/2023/12/Bruce_Cerullo_00020-scaled-e1702069356116.jpg)
Bruce Cerullo
CEO
![](/wp-content/uploads/2023/03/matthew-thompson.jpg)
Matthew Thompson
Director
![](https://www.hallmarkhcs.com/wp-content/uploads/2024/03/Ross_Stern_04-e1709677144800.png)
Ross Stern
Director
![](/wp-content/uploads/2023/03/gay-landstrom.jpg)
Gay Landstrom
Director
![](/wp-content/uploads/2023/03/ceo-isaac-ullatil-1.jpg)
Isaac Ullatil
Co-founder and Director