Daniel Lettenberger-Klein serves as Chief Member and Programming Officer at WellLink Health Alliance, where he leads strategic initiatives that expand national member engagement, strengthen enterprise partnerships, and advance organizational impact across a growing, coast-to-coast network. He works closely with President and CEO Brian Lane and senior leadership to drive alignment, elevate visibility, and position the organization for long-term growth and influence.
Daniel’s work centers on leveraging data-driven insights to inform strategy, strengthen collaboration, and improve measurable outcomes. He plays a key role in cultivating executive relationships, enhancing thought leadership, and supporting cross-sector partnerships that advance health equity and system transformation at scale.
Prior to joining WellLink, Daniel served as Chief Executive Officer of Stella Maris, Ohio’s oldest addiction treatment center. In that role, he oversaw operations, led fundraising and board engagement efforts, and elevated the organization’s public profile. He brought to Stella Maris a comprehensive clinical foundation and leadership experience across the full continuum of addiction care.
With more than a decade of executive leadership experience in both nonprofit and for-profit behavioral health organizations, Daniel has led strategic operations across four multimillion-dollar enterprises. His expertise includes multi-site management, organizational restructuring, programmatic and facility expansion, and enterprise-level change initiatives. Throughout his career, he has consistently driven operational excellence, sustainable growth, and cultural transformation within complex healthcare environments.
Daniel is deeply committed to leadership development and building high-performing executive teams. He prioritizes strong organizational culture, effective crisis communication, and strategic decision-making that strengthens mission alignment and long-term sustainability.
He is a member of the American College of Healthcare Executives, the Healthcare Information and Management Systems Society, and the American Society of Association Executives. Daniel holds a Master of Business Administration from Northcentral University, a Master of Science in Marriage and Family Therapy from Purdue University, and a Bachelor of Arts in Psychology from Bradley University.
His professional recognition includes Crain’s Cleveland 40 Under 40, Crain’s Notable Leader in Healthcare, and the Give Cleveland 200 List of top nonprofit leaders. He is an alumnus of Leadership Cleveland and serves as a mentor with College Now. Daniel also serves as a committee member on the Opioid Innovation Fund at the Cleveland Foundation and as Board Chair of the Ohio Institute for Substance Use Excellence. He has previously served as Chair of the Behavioral Health Committee and as a member of the SDoH Innovation Hub Committee.
