Our Team
Jan Glick
Partner
A nationally recognized public sector and nonprofit leader and consultant, Jan has devoted more than 25 years to refining a model approach to facilitate ...
Tim Davis
President & Managing Partner
Tim Davis has served in executive leadership roles in the healthcare industry for over 10 years with a focus on the mental health industry. He has worked ...
Laura Hitchcock
Senior Consultant, Practice Lead for Strategic Planning
Laura Hitchcock has worked with local, state, national and international organizations across multiple sectors, including human services, health, public ...
Adrienne Kessler, Ed.D.,BCBA
CEO, Board Member and Consultant: Mental & Behavioral Healthcare & Non-profit Sectors
Strategic and collaborative with a solution focused outlook, Adrienne brings nearly 30 years of industry experience in mental and behavioral health, with ...
Heyward Watson
Senior Consultant, Practice Lead for Justice, Equity, Diversity & Inclusion
Heyward Watson has served in executive leadership roles in both the non-profit and for-profit arenas for over 30 years. An innovative and growth-focused ...
Kathleen O’Brien
Senior Project Manager
Kathleen has a strong background in talent acquisition, strategic planning, and operational leadership. Prior to joining TAC Healthcare Strategies, Kathleen ...
Asyria Daniels, MPH
Consultant
Asyria Daniels, MPH is a public health strategist with extensive experience in community engagement, coalition-building, and multi-sector collaborations. ...
Ellen Stearns
Operations Manager
Ellen Stearns has worked and volunteered in the nonprofit and philanthropy sectors for over 30 years. She has provided operations, program, administrative, ...
Liz Braun
Senior Consultant
With over 30 years of nonprofit leadership and consulting experience, Liz specializes in leading, improving and restructuring programs serving at risk ...
We are proud to be part of the Third Sector Company Alliance of nonprofit professionals whose mission
is to foster a continuity of leadership across the sector. Third Sector Company provides access to top
expertise across the sector for an Executive Leadership portfolio of services. Through our alliance with
Third Sector, we are pleased to be able to connect GDA clients and other nonprofit leaders to their
tremendously effective Board Chairs Academy program and interim executive training and placement
services .