Staff + Governance

Executive Team

Fred D. Rachman, MD
Chief Executive Officer
Andrew Hamilton, RN, BSN, MS
Chief Informatics Officer

Margaret S. Castrovillari, CPA, MBA
Chief Financial Officer

Nivedita Mohanty, MD
Chief Research Officer

Warria Esmond, MD
Chief Clinical Officer

Ekem Merchant-Bleiberg
Senior Director of HIT Operations

Tina Aggarwal, MS, BSN, RN
Clinical Informaticist

Austin Bohr
IT Business Systems Analyst

Dana Bright, MSW
Associate Director of Research Operations

Jaimie Bubb, RN, BSN, MS
HIT Operations Manager

Jacqueline Cruz
Community Health Worker/Health Coach

Jeremy Carr
Director of Applications

Chris Cole
Systems Analyst

Isha Datta, MA
ICAN! Equity and Engagement Director

Celeste Diaz
Senior Grants Accountant

Patrick Driscoll, RN, BSN, MPH
Research Coordinator

Alice Eggleston, PA-C, MPH
Clinical Research Scientist

Abbey Ekong, MA
Research Manager

Maricela Espinoza,

Health Information Technology Analyst

Azalia Garcia
Community Health Worker/Health Coach

Anna M. Gard RN, MSN, FNP-BC
Health IT and Quality Consultant

Jenee Garrett, MS, ITIL v4, CERT.SSBB, CSM
Director of Service Management

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

Maggie Hamielec, MPH
Research Coordinator

Dana M. Harrison
Grants Accounting Manager

Amro Hassan
Solutions Architect

Jordan Hatcher, MPH
ICAN Program Director

Claudria S. Hurt, MSHRMD
HR/Business Operations Manager

Ryan Jaeger
Director of Data and Analytics Service

Arjit Jain, MSMIS
Senior Data Analyst

Christina Kim, MPH, PCMH CCE
Practice Transformation Coach

Elisabeth Knose, PT, DPT
Customer Success Analyst

Ewa Kwasnik
Facilities Assistant

Jenya Lazarova
Executive Assistant

David Liss, PhD
Health Services Research Scientist

Todd Locey
Application Analyst II

Sean McCook, MBA, RN-BC
HIT Implementation Manager

Elizabeth McKnight, MMI
Health Informatics Specialist

Erick Michalski
Director of IT Infrastructure

Jennifer Morrison, APRN, MPH
Clinical Research Scientist

Martha Munoz Perez
Community Health Worker/Health Coach
Jin Nam, RN, MS
Director of Practice Transformation

Rashmi Narayan, MD, FAAP
Clinical Research Scientist

Oluwaseun A. Olatunbosun, MPH
Research Manager

Nicole Padula, MPH
Informatics Project Manager

Jeff Panzer, MD, MS
Physician Innovator

Shannon Pohl, MS, BSN, RN
Director of Informatics

Maria Ruiz
Community Health Worker/Health Coach

Carlos Salgado
HIT Implementation Specialist
Star A. Sandifer
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

Matthew Sterling
Senior Director of Information Technology

Tangina Sultana
Cyber Security Analyst

Natalie Swiencki, MNA
Corporate Communications & CRM Manager
Azin Tanni, RN, MSN, INS
Clinical Systems Analyst

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

Kushal Tatampudi, MSHI
Data Analyst

Katie Thiede
Executive Director, ICAN

Carmela Tyler, MBA
Senior Accountant

Anna Liza Ulangca
Accounting Clerk

Varun Venkateswaran, MS
Project Manager & Process Improvement Engineer

Olivia Vitolo, BA, LPN
HIT Practice Coordinator

Jena Wallander, MPH, BSN, RN
Research Associate
Eve Walter, PhD
Director of Research and Evaluation

Andrea Wilson, MS
Innovation Strategist

Ta-Yun Yang, MS
Clinical Data Manager

Catherine Yaple
Implementation Analyst

Amy Yarrington, MA
HIT Coordinator

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


Ed Stellon, MS, MA, CADC, Chair
Vice President and Executive Director,
Heartland Alliance Health

Tristé Lieteau Smith, MD, JD, Co-Chair
Chief Executive Officer,
Near North 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

Amy Valukas, MPH
Chief Operating Officer,
Erie Family Health Centers

Anthony Armstrong, MPA
Vice President of Strategy and Business Development,
Howard Brown Health

Fred D. Rachman, MD
Chief Executive Officer,