Staff + Governance
Executive Team

Chief Executive Officer

Chief Informatics Officer

Margaret S. Castrovillari, CPA, MBA
Chief Financial Officer

Chief Research Officer and Director of Evidence Based Practice

Chief Clinical Officer

Warria Esmond, MD
Chief Medical Informatics Officer

Research Manager

Tina Aggarwal, MS, BSN, RN
Clinical Informaticist

Alex Alstork
Application Analyst II

Austin Bohr
IT Business Systems Analyst

HIT Operations Manager

Director of Applications

Andrea Chavarria
Community Health Worker/Health Coach

Jessica T. Claudio, MBA
Assistant Director of Research

Chris Cole
Systems Analyst

Abbey Ekong, MA
Research Coordinator

HIT-PRO-T
Health Information Technology Analyst

Azalia Garcia
Community Health Worker/Health Coach

Titanila (Titi) Halajova, JD
Finance/HR Legal Clerk

Solutions Architect

HR/Business Operations Manager

Practice Transformation Coach

Ryan Jaeger
Senior SQL Data Analyst and Data Warehouse Product Manager

Arjit Jain, MSMIS
Data Analyst

Practice Transformation Coach

Ewa Kwasnik
Facilities Assistant

Jenya Lazarova
Executive Assistant

Courtney Leonard, MPH, MHA
HIT Coordinator

Application Analyst II

Lisa Masinter, MD, MPH, MS
Director of Research

Health Informatics Specialist

Senior Director of HIT Operations

Erick Michalski
Director of IT Infrastructure

Jennifer Morrison, APRN, MPH
Clinical Research Scientist

Director of Practice Transformation

Administrative Coordinator

Research Manager

Nicole Padula, MPH
Informatics Project Manager

Jeff Panzer, MD, MS
Director of Innovation

Shannon Pohl, MS, BSN, RN
Director of Informatics

Rhein Punzalan
Software Engineer

Ulises Reyes
Data Engineer

Technical Support Specialist

Sam Ross
HIT Policy Analyst

Maria Ruiz
Community Health Worker/Health Coach

HIT Implementation Specialist

Accounting Manager

Bridget Schafer
HIT Practice Coordinator

Eduardo “JR” Segovia
Manager, Data Warehouse Business Analyst

Rebecca S. Silverman
Quality Improvement Advisor

Jodi Simon, DrPH, MS
Research Scientist

Shelly Sital, MPH
Program Director, Testing & Surveillance

Senior Director of Information Technology

Corporate Communications & CRM Manager

Clinical Systems Analyst

Kai Tao, ND, APN, MPH
Principal, Impact and Innovation for Illinois Contraceptive Access Now (ICAN)

Katie Thiede
Executive Director, Illinois Contraceptive Access Now

Angela Tobin
Project Manager, Practice Transformation

Angela Townsend
ICAN Community Engagement Manager

Carmela Tyler, MBA
Senior Accountant

Connie Tzeng
Grants Manager

Anna Liza Ulangca
Accounting Clerk

Sr. Angela Umenze, MBA
Grants Accountant

Clinical Research Manager

Katy Walsh, MA
Director of Grants Management and Development

Andrea Wilson, MS
Innovation Strategist

Ta-Yun Yang, MS
Research Data Scientist

HIT Coordinator

Jason York
Director of Service Management

Thomas Young
Application Analyst II

Linda Zayed, MPH
Community Health Worker/Health Coach
AllianceChicago Governance
AllianceChicago operates under the ownership and guidance of our four non-profit 501 (c) (3) founding members, and is governed by a Board of Managers that includes the Chief Executive Officers of each of the founding member Centers, as well as the AllianceChicago Chief Executive Officer and the Near North Health Service Corporation Director of Finance and Accounting.
AllianceChicago Board of Managers
Berneice Mills-Thomas, RN, MSM, MPH, MBA, Chair
Chief Executive Officer,
Near North Health
Ed Stellon, MS, MA, CADC, Vice-Chair
Vice President and Executive Director,
Heartland Alliance Health
Lee Francis, MD, MPH, Treasurer
President and Chief Executive Officer,
Erie Family Health Centers
David Munar, Secretary
President and Chief Executive Officer,
Howard Brown Health
Ex-Officio Members
Mary Kay Gilbert, MBA
Chief Growth Officer,
Heartland Alliance Health
Nicole Kazee, PhD
Vice President of Strategy and Business Development,
Erie Family Health Centers
Lauren Sullivan
Chief Information Officer,
Howard Brown Health
Fred D. Rachman, MD
Chief Executive Officer,
AllianceChicago
Stephanie Cox-Batson, MD
Chief Medical Officer,
Near North Health