As experts in nonprofit consulting, the Spectrum Nonprofit Services team will collaborate with you to devise a strategy that integrates your nonprofit’s mission, finances, and leadership.
About Us
Spectrum Nonprofit
Spectrum’s Story
Throughout his career as a nonprofit leader, Spectrum Nonprofit’s founder Steve Zimmerman noticed every organization hitting similar roadblocks. How do we increase financial stability? How do we grow our impact? Variations of these inquiries all led to the ultimate question: How do you focus on your mission when you’re worried about your organization’s finances?
Steve Zimmerman started Spectrum Nonprofit Services in 2007 with the goal of creating adaptable strategic solutions with longevity for nonprofit leaders, so they can better serve their communities. Today, Spectrum Nonprofit is a knowledgeable team of experts who work together to carry out this important mission.
Our Pillars
Educate
Spectrum Nonprofit learns about your organization’s goals and priorities, then demonstrates how our organizational model and tools can support your nonprofit.
Evolve
Spectrum Nonprofit collaborates with you to strategize changes that will grow your organization’s impact, financial viability, and leadership.
Balance
Spectrum Nonprofit provides flexible strategies to begin implementing changes today that will positively impact your organization’s future.
Empower
Spectrum Nonprofit engages everyone in your organization through our process, to build the knowledge, skills, and tools to adapt and own your strategy for many years to come.
Our Team
(she/her)
Maggie Corry specializes in nonprofit capacity building, adaptive strategic planning, fund development strategies, and other facets of nonprofit management. She approaches her work with enthusiasm, compassion, and empathy for the challenges and fulfillment of working in the nonprofit sector.
Before joining Spectrum Nonprofit Services, Maggie served as development director for Radio Milwaukee, a nonprofit radio station using music and stories to build a stronger Milwaukee. Maggie has also served as a consultant with Fund Development Corporation, partnering with Penfield Children’s Center, Milwaukee Institute of Art and Design, the YMCA, and other Milwaukee nonprofits on campaign management and development assessments. Prior to that, she was the associate registrar of Third Street Music School. Her community involvement includes board service with Community Shares of Greater Milwaukee and Renaissance Child Development Center, in addition to committee work with Imagine MKE.
Areas of Expertise
Revenue Strategy; Financial Strategy; Nonprofit Strategy & Business Models
Education
M.P.A. specializing in nonprofit management from New York University
B.A. in art history from the University of Wisconsin-Madison
Conversation Starter
Maggie is a mom to three young kids, Riley, Hannah, and Rosie, and is raising them to be diehard Green Bay Packers fans just like her.
(he/him)
Steve Strang is a passionate nonprofit leader with a proven track record of partnering with organizations to succeed. With experience as a Chief Operating Officer and Director of Finance & Operations, and nearly nine years as a Spectrum consultant, Steve brings a deep understanding of the unique challenges and opportunities facing nonprofits today.
He firmly believes in data-driven decision-making and clear, transparent procedures, empowering organizations to develop inclusive strategies and make informed choices. Steve’s expertise spans a wide range of areas, including financial management, strategic planning, budgeting, grant management, government contracts, data analysis, and creating operational efficiency. With experience as a staff member and a consultant, he’s skilled at facilitating strategic planning processes for senior leadership and boards, aiding them to strengthen their impact.
Steve’s commitment to the nonprofit sector extends beyond his professional work. He’s an active community leader, serving on various boards and advisory committees, including YNPN Chicago, where he mentored emerging leaders.
Areas of Expertise
Nonprofit Strategy & Business Models, Financial Strategy, Organization Impact, Revenue Strategy, Strategy Implementation & Operations
Education
Grand Valley State University, BS in Public & Nonprofit Administration, Emphasis in Public Finance and Community Development
Master of Public Administration from Roosevelt University
Conversation Starter
When he’s not trying new food with his wife, you can find Steve on a sports field (watching or coaching his son!), on the golf course, or cheering on his favorite teams.
(she/her)
Erin Manske brings over a decade of experience helping mission-driven organizations and public systems design strategies that improve outcomes for children, families, and communities. With a background in organizational leadership, policy implementation, program design, and project management, she partners with executives and boards to translate vision into action through strong stakeholder engagement, data-informed decision-making, and collaborative team building.
Erin began her career as a research analyst focused on reducing out-of-home placements for youth and subsequently led multi-year justice and child welfare reform efforts in multiple states, achieving measurable reductions in youth incarceration and advancing equitable outcomes. She directed a statewide initiative to expand access to mental health services in K–12 public schools, collaborating with agencies, legislators, and community leaders to secure sustainable funding and implement system-wide solutions. Erin has also served on nonprofit boards, contributing expertise in governance, fundraising, and equity-driven program development.
Erin is recognized for her ability to bring clarity and structure to complex initiatives while keeping people at the center of change. She is passionate about helping nonprofit leaders strengthen their organizations, align mission and strategy, and build systems that deliver long-term impact.
Areas of Expertise
Nonprofit Strategy, Organizational Operations, Stakeholder Engagement
Education
B.A. – Mathematics/Sociology – University of Wisconsin – Eau Claire
PMP Certification – Project Management Institute
Conversation Starter
Outside of work, Erin brings her passion for equity to the dance world, where she coached a competitive co-ed team and created a coaching curriculum now used nationwide. When she’s not dancing, she’s happiest playing board games with her husband and stepson or working with her beloved dogs.
(he/him)
Steve Zimmerman serves as the principal of Spectrum Nonprofit Services. His extensive nonprofit experience includes serving as a chief financial officer, development director, and associate director at community-based nonprofits, where he performed turnarounds resulting in increased financial sustainability and programmatic reach.
Steve Zimmerman is a co-author of The Sustainability Mindset: Using the Matrix Map to Make Strategic Decisions with Jeanne Bell and the bestselling book Nonprofit Sustainability: Making Strategic Decisions for Financial Viability with Jeanne Bell and Jan Masaoka. The books highlight Spectrum Nonprofit’s integrated approach to nonprofits, which balances mission impact and financial viability.
Additionally, Steve’s writing has been featured by Nonprofit Quarterly, BoardSource, and Harvard Business Review, and he contributed the strategy chapter to Wiley’s Nonprofit Management 101. He is a sought after trainer and speaker on adaptive strategy, business models, and revenue strategy for nonprofits.
Areas of Expertise
Nonprofit Strategy & Business Models; Financial Strategy; Revenue Strategy; Strategy Implementation & Operations
Education
B.A. from Claremont McKenna College
M.B.A. from Yale University
Certified public accountant
Conversation Starter
Steve Zimmerman started his professional nonprofit career taking a leave of absence from public accounting to run a summer camp, where he saw firsthand the importance of finance in making the mission come to life.
(He/Him/His)
Moises Garcia is the Client Engagement Manager for Spectrum Nonprofit Services. His primary focus areas for the firm are business development, training and marketing. He is a community advocate that engages in collaborative opportunities to uplift the communities he serves.
Before joining Spectrum, Moises Garcia was the Event Manager for the Wisconsin Chamber Orchestra where he primarily led front-end operational processes for the 2024 Concerts on the Square Concert Series in Madison, WI. He previously operated in project management, marketing and arts administration roles through Epic Systems, KennedyC and Dane Arts.
Moises Garcia entered the nonprofit sector through capitalizing on opportunities to leverage his marketing skillset to uplift local arts organizations in Madison, WI. He capitalized on an opportunity to increase his knowledge of nonprofit organizations through pursuing a Masters in Arts and Creative Enterprises Leadership from the Bolz Center for Arts Administration at the Wisconsin School of Business at University of Wisconsin – Madison. With the knowledge, skillset and passion for uplifting nonprofit organizations, he is excited to be a part of the Spectrum team and to continue investing into the nonprofit sector.
AREAS OF EXPERTISE
Nonprofit Strategy & Business Models
EDUCATION
M.A.B – Arts and Creative Enterprises Leadership – Wisconsin School of Business at UW-Madison
B.A – Music/Business – Illinois Wesleyan University
CONVERSATION STARTER
Moises studied abroad in Vienna, Austria in Spring 2019 where he held an arts administration internship with the Vienna State Opera.