Our Team
Board of Directors

Tia Whitaker, CCHW
President
Central PA (Cumberland County)
PA Association of Community Health Centers

Kristin Lazzara
Vice President
Western PA (Allegheny County)
AHN Center for Inclusion Health

Emily Nardella
Secretary
Central PA (Cumberland County)
United Way of the Capital Region

Laura Jordan
Treasurer
Eastern PA (Philadelphia County), City of Philadelphia Department of Behavioral Health and Intellectual disability Services (DBHIDS)

Rebecca Miller
Eastern PA (Lehigh County)
St. Luke’s Health System

Erica DeLullo, CCHW
Western PA (Cameron, Elk, McKean Counties)
Keystone Rural Health Consortia, Inc.

Joe Kerley, CCHW
Western PA (Washington County)
UPMC Hillman Cancer Center

Lori Wisotzkey, CCHW
Central PA (York County)
Highmark Wholecare

Jamie Santana, CCHW
Eastern PA (Lehigh County)
Valley Health Partners
Staff

David Wiles, CCHW
Executive Director
Western PA (Allegheny County)
david.wiles@pachw.org
David Wiles, CCHW, CHES®, is the Executive Director of PACHW. David has built PACHW’s operational foundation and stewarded a statewide network of 500+ CHWs and allies, convening partners across sectors to strengthen alignment and accelerate progress toward CHW sustainability. David’s work centers on elevating CHW leadership and building the policy and financing conditions needed for long-term impact. He has mobilized CHWs and partners for large-scale Capitol advocacy efforts and developed CHW-facing leadership and advocacy programming, including a Leadership & Advocacy Academy that strengthens storytelling, policy engagement, and systems-change capacity. Before leading PACHW, David served as a Senior Community Health Worker at Cornerstone Care and as a Service Coordinator supporting residents in affordable housing—roles grounded in resource navigation, cross-sector partnerships, and removing barriers to care and basic needs. He holds a B.S. in Public Health from Slippery Rock University and is certified as a Community Health Worker (CCHW) and a Health Education Specialist (CHES®).

Sierra Kohl, CCHW
Media Manager
Eastern PA (Lancaster County)
Sierra serves as PACHW’s Media Manager and Chair of the Marketing and Communications Committee, where she leads statewide messaging, branding, digital engagement, and storytelling efforts that elevate the visibility of Community Health Workers across Pennsylvania. As a Certified Community Health Worker, she brings both communications expertise and a strong understanding of the CHW workforce to her role. Sierra is an accomplished health educator and communications professional with experience in marketing, health promotion, community outreach, program coordination, and youth advocacy. She previously served as Interim Vice President of Education and Communications at LFHS, where she led strategic outreach initiatives, managed content across digital platforms, and helped increase the organization’s social media following by 102% in one year. Her work includes outreach strategy, digital communications, American Lung Association program administration, and facilitation of evidence-based health education programs. Sierra is especially passionate about health promotion, nutrition education, and empowering young people and communities through accessible, community-centered messaging.