“I take great pride in not taking a cookie cutter approach, and instead looking at each organization’s unique strengths and challenges and dovetailing them with sound fundraising principles and practices.”  


round headshot of Sharon in a black blouse

Sharon Castle
Capacity Builder

Sharon's approach to her work as a Capacity Builder is based on her commitment to provide excellent service with the highest degree of professional integrity. She enjoys working with a diverse clientele who have a passion for their mission.  Having worn many hats – Executive Director, Development Director, Board Member, Volunteer, Consultant and Donor –  in the nonprofit sector affords Sharon a unique perspective in her work as a Capacity Building Consultant at Nonprofit Network. 

She has over 30 years of experience in the sector including management, planning, coaching, capital campaigns and fundraising and enjoys assisting organizations increase their capacity.


Sharon credits her in-depth knowledge to her years as Deputy Director of Development for the American Lung Association of Michigan where she managed a team and was responsible for all aspects of statewide development efforts focusing on relationship building; the Michigan Historical Museum where she headed the Michigan Historical Center Foundation, worked with museum staff on setting goals with an eye to private support and completed the fundraising for the 20th Century permanent galleries; and for more than 20 years as President of Castle & Associates, Inc. a full-service organizational management firm where she assisted clients with strategic planning, coaching, and all aspects of philanthropy.  She was a long-time volunteer facilitator at Gryphon Place where she trained volunteers to utilize active listening and empathy skills when working with individuals in crisis.  Sharon recently completed courses in Cognitive Coaching Foundation and Adaptive Schools expanding her repertoire of practical facilitation tools including:  skills to move groups beyond consensus to common focus; ways to value and use dissension, argument and conflict; and strategies for keeping group members on track, on topic, energized and resourceful.

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