Mary Claire's headshot

Mary Claire Walther

Principal

Biography

Mary Claire’s positivity, warmth and heart for mission is only matched by her relentless commitment to help her clients achieve their goals. Since joining Dini Spheris in 2014, Mary Claire has served nearly 100 nonprofits throughout Texas and across the country. She is a seasoned consultant, successfully helping clients grow their annual, capital and major gift fundraising; leading strategic planning that has transformed organizations; and managing campaigns with goals ranging from $1 million to $250 million.

As a coach and counselor, Mary Claire focuses first on building a strong, confident team of volunteers and staff. Her goal is always to maximize her clients’ strengths, to build the right, tailored strategy for every setting, and to create an enduring partnership based in trust. Nothing brings her more joy than walking hand in hand with organizations as they navigate change and growth, boldly facing challenges and celebrating every win.

Mary Claire holds a Bachelor of Arts from the University of Chicago and a Nonprofit Finance Certificate from Rice University. She is an active member of the Association of Fundraising Professionals – Greater Houston Chapter and regularly presents and teaches throughout the United States.

Mary Claire also deeply enjoys mentoring the next generation of sector leaders as a lead instructor with the University of Houston Nonprofit Leadership Alliance. She serves on the Board of the Endowment Fund of St. Stephen’s Episcopal Church, Houston and the Advisory Board of Medical Bridges. Outside of work, she spends her time chasing after her toddler son, discovering new playgrounds and parks, and enjoying Houston’s fantastic restaurants and museums.

Reports & Insights

Campaign Planning and Management Course

Join Holly Lang, Dini Spheris Principal, as she co-presents with Nicole McWhorter, VP of Community Philanthropy, YMCA of Greater Houston, the Rice University Susanne M.…
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