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
Warria Esmond, MD
Chief Clinical Officer
Research Manager
Tina Aggarwal, MS, BSN, RN
Clinical Informaticist
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
Dana M. Harrison
Grants Accounting Manager
Solutions Architect
Jordan Hatcher, MPH
ICAN Program Director
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
Sean McCook, MBA, RN-BC
HIT Implementation Manager
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
Rashmi Narayan, MD, FAAP
Clinical Research Scientist
Administrative Coordinator
Research Manager
Nicole Padula, MPH
Informatics Project Manager
Jeff Panzer, MD, MS
Physician Innovator
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
Director of Finance
Eduardo “JR” Segovia
Manager, Data Warehouse Business Analyst
Rebecca S. Silverman, MPH
Quality Improvement Advisor
Jodi Simon, DrPH, MS
Health Services Research Scientist
Shelly Sital, MPH
Director of Public Health Initiatives
Senior Director of Information Technology
Tangina Sultana
Cyber Security Analyst
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
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
Rebecca Wiedmeyer
Director Health Information Technology Solutions
Andrea Wilson, MS
Innovation Strategist
Ta-Yun Yang, MS
Research Data Scientist
HIT Coordinator
Thomas Young, EMBA
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
