We are designers, facilitators, strategists and community builders

Our job is to create avenues for learning, innovation and collaboration that advance your goals.

We believe that people are most effective — no matter what we’re working on — when we have access to others doing similar work. We build collaborative communities for learning to help you attain your desired outcomes, and to develop the capacity and effectiveness of the organizations you support.

Our team is passionate, committed and experienced.

We are curious, inspired and driven to bring the power of learning to benefit the work of our clients. We can't wait to meet you.

Diana Doyle

James Gillis

Caron Castagnetta

It all starts with a conversation. Let’s connect.

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Diana Doyle


Diana leads Socius Group in designing, facilitating and managing collaborative communities and grantmaking programs on behalf of our clients. She is a choreographer of strategy, people and content. She is inspired and driven by the transformation she has seen in the effectiveness of people and organizations when they shift into collaborative modes of learning and working.  

Diana’s experiences as a consultant to funders, a community foundation program officer, and founder and executive director of nonprofit organizations ground her work in the needs of both funders and nonprofit practitioners. She holds a master’s degree in interpersonal and organizational communication from Purdue University and a master of fine arts in dance from Florida State University.

James Gillis

senior consultant

James is an engagement leader, strategist, detail wrangler and coach, helping Socius Group clients maximize their investments and impact by bringing collaborative learning networks to their programming. He is motivated by the power of collaboration and knowledge, and is a passionate advocate and guide for organizations making this profound transition.

James draws on more than 15 years of experience in nonprofit consulting, programming, evaluation and learning for a wide variety of community-based organizations from Boston to San Francisco. He earned a bachelor of science degree in kinesiology (the study of human movement) from San Francisco State University.

Caron Castagnetta

operations manager

Caron is the go-to organizer and logistics whiz, smoothing the way for Socius Group clients and projects. She runs the day-to-day operations of Socius Group and supports project logistics, keeping all the moving parts in working order, on time, and in the right place.

Caron draws on her experiences managing logistics and operations for a number of collaboration-oriented projects and organizations. Her steady hand and organization make the convenings, events, contracting, and management of all those details look easy. Her skill, talent and dedication are fundamental to taking a learning group plan from concept to reality. Caron holds a bachelor’s degree in economics from the University of California, Berkeley.