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Our Team

Jan Glick

President & Managing 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 ...
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Tim Davis


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 ...
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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 ...
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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 ...
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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, ...
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Jessica Mayumi Nordby

Senior Consultant

Jessica has served as a leader in the behavioral health and nonprofit sectors throughout her career. Initially working as a manager of an eating disorder ...
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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 ...
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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 ...
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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 .