Here for you

The Health Share team is here to serve our members. Together, we coordinate care, provide top-notch customer service, innovate new solutions, and advocate for better health care options for everyone.  

Executive Team

James Schroeder, PAC, MPAS

Chief Executive Officer

Maggie Bennington-Davis, MD

Chief Medical Officer

Graham Bouldin

Chief Quality Officer

Phyusin Myint, PhD, MPP

Chief Equity, Diversity, and Inclusion Officer

Patricia (Trish) Nimelman

Chief Financial Officer

Mindy Stadtlander

Chief Operations Officer

Leadership Team

Christine Bernsten

Director, Strategic Initiatives

Alyssa Craigie 

Director, Health Systems Integration

Cristina Castaño

Director, Housing Strategy

Chris Diaz

Director of Information Services

Aaron Gillingham

Director, Finance

Yoni Kahn-Jochnowitz 

Director, Public Policy and Communications

Jeremy Koehler

Director, Integrated Services

Cat Livingston, MD, MPH

Medical Director


Chief Executive Officer

James Schroeder, PA-C, MPAS

CCO Integration

Mindy Stadtlander, Chief Operations Officer

Cristina Castaño, Director, Housing Strategy 

Alyssa Craigie, Director, Health Systems Integration

Brendon Bassett, Community Systems Integration Program Manager

Ally Birch, Member Navigator

Emily Eckert, Housing Vista Coordinator

Jeremy Koehler, Director, Integrated Services

Tanya Nason, Program Specialist

Nancy Thompson, Member Navigator

CCO Operations

Melissa Bates, Executive Assistant

Janice Chambers, Office Manager

Sarah Hale-Meador, Operations Coordinator

Karla Tupper, Executive Assistant

Virginia Thompson, Senior Administrative Assistant

Clinical Policy + Oversight

Maggie Bennington-Davis, MD, Chief Medical Officer

Cat Livingston, MD, MPH, Medical Director


Patricia (Trish) Nimelman, Chief Financial Officer

Courtney Bradley, Senior Financial Accountant

Aaron Gillingham, Director of Finance

Byron Hauck, Senior Financial Analyst

Health Equity + Community Engagement

Phyusin Myint, PhD, MPP, Chief Equity, Diversity, and Inclusion Officer

Maria Tafolla, Manager of Equity, Diversity, and Inclusion

James Craig, Tribal Liaison

Staci DeLeon-Davis, Community Engagement Program Manager

Mariotta Gary-Smith, Health Equity Strategist

Health System Performance

Graham Bouldin, Chief Quality Officer

Beth Bambrick, Population Health Analyst

Stuart Bradley, Early Life Health Quality Analyst

Sarah Heppler, Operations Analyst

Kristen Lacijan, Analytics Manager

Cat Livingston, MD, MPH, Medical Director

Rebecca Mason, Senior Data Analyst

Meghan O'Callaghan, Business Systems Analyst

Clarinda Perez, Quality Metrics Program Manager

Information Systems + Technology

Chris Diaz, Director of Information Services

Megan Brophy, Information Services Infrastructure Operations Manager

Ryan Brown, Information Services Systems Engineer

Heather Cermak, Information Services Senior Database Developer

Jason Dykeman, Information Services Senior Systems Administrator

Don Herington, Information Services Database Administrator

Shon Jacobs, Information Services Desktop Specialist

Sam Lasin, Information Services Senior Database Developer

Erin Ross, Senior Information Services Project Manager

Public Policy + Communications

Yoni Kahn-Jochnowitz, Director, Public Policy Communications

Sarah Creedican, Communications Specialist

Jeremy Graybill, Communications Manager

Delegation and Quality Oversight

Alex Covington, Delegation and Quality Oversight Manager

Elle Appling, Delegation and Quality Oversight Coordinator

Debi Bagwell, Delegation and Quality Oversight Specialist

Megan Lopez, Delegation and Quality Oversight Specialist

Del Webb, Clinical Delegation and Quality Oversight Specialist

Jennifer Wright, Delegation and Quality Oversight Specialist

Strategic Initiatives

Christine Bernsten, Director, Strategic Initiatives

Jeanni Dunagan, Strategic Initiatives Operations Manager

Peg King, Early Life Health Partnerships Portfolio Manager

Tina Pfenning, Project Coordinator

Maureen Seferovich, Children, Youth, and Families Program Manager

Selby Stebbins, System of Care and Behavioral Health Coordinator