Our Team
Our consultants are experienced in nonprofit and public sector issues and activities. We assemble a team with the knowledge and skills to meet the unique needs of the client and project.


Warren Riley, Managing Director
In his three decades with NPOS, Warren has worked with hundreds of nonprofit organizations across the country to build their capacity and to advance their mission. His work and passion centers on improving community access to mental and behavioral health, as well as improving youth development services. In another life, Warren directed a national sales team for a Fortune 100 consumer products company and led KPMG Peat Marwick’s nonprofit practice, where he provided consulting services to a variety of social service agencies, arts and advocacy organizations, associations, schools, and universities. He received his Masters of Business Administration from Stanford University, and holds an undergraduate degree from Dartmouth College.
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Areas of Focus: strategic planning, strategic restructuring, board development, and fund development.
Betsy Uhrman, Senior Associate
At NPO Solutions, Betsy has worked extensively with nonprofit organizations on all aspects of organizational planning and development. At Open Society Foundations and Tides Foundation, she conducted field research and implemented grantmaking programs in areas such as public education, youth development, media and economic justice. In these capacities, she has had many opportunities to consider how to cultivate partnerships and to effectively support large-scale programs and projects. Her work and passion centers on bringing together social sector partners for shared aims and collective impact in the service of equity. She received her Masters of Public Administration from the University of Southern California, and holds an undergraduate degree from the University of California, Los Angeles.
Areas of Focus: strategic planning, strategic restructuring, and network building
Michael Butler, Senior Associate
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Robert Muschler, Associate
Robert Muschler has worked extensively in designing and executing strategy development and capacity building projects for nonprofit organizations. He has led and co-led numerous engagements working with nonprofit executives, boards of directors, and staff on a wide variety of strategy-related projects. Robert’s work has been primarily focused on behavioral health nonprofits, as well as organizations addressing youth development and early childhood education. Prior to NPO Solutions, he served in a variety of roles within the nonprofit sector supporting program development, fundraising, and strategic communications for two Los Angeles-based nonprofits and assisting local governments and rural communities with strategic planning in his home state of Minnesota. He earned a Master of Public Administration from the University of Southern California and a bachelor’s degree from St. Cloud State University.
Areas of Focus: strategic planning, strategic restructuring, and community needs assessments.
Nicholas Williams, Senior Associate
Nicholas Williams is a social sector leader, analyst, writer, and consultant with extensive experience and proven results in academic, business, nonprofit and government settings. A skilled communicator and collaborator, he has led nonprofit and foundation organizations and projects focused on mental health, economic development, homelessness and housing, child and family welfare, K-12 education, higher education, and workforce development. His projects have included engagements with a range of philanthropic foundations including the MacArthur Foundation, Bloomberg Philanthropies and the Ford Foundation. He most recently served as associate director of the University of Southern California (USC) Center of Philanthropy and Public Policy. While there, he developed practice-oriented programs and research reports, engaging scholars and foundation leaders on issues at the intersection of philanthropy, government, and the private sector. Nicholas earned a Master of Public Policy from USC, Southern California, and bachelor’s degree in sociology from the University of Denver.
Areas of Focus: strategic planning, philanthropy, and fund development

Michael has directed hundreds of program evaluation, organizational development, and technical assistance projects in a wide array of areas including: K-12 public education, college readiness and access, community health and wellness services, and workforce development. Michael also provides professional development and coaching focused on data-driven approaches to program delivery and assessment. His work and passion centers around accelerating equity with data informed approaches. He received his MA in Political Science from the University of California, Los Angeles, and holds an undergraduate degree from Occidental College. Michael was also a Research Fellow at the RAND Corporation and a graduate of USC’s Executive program in Social Innovation through the Price School of Public Policy.
Areas of Focus: capacity building (network building, professional learning) and evaluation