Our Network of Nonprofit Interim Executives

Interim Executive Solutions has developed a network of highly accomplished professionals with experience leading both nonprofit and for profit organizations. Our associates bring general expertise in key areas such as assessing organizational needs, determining and acting on priorities, developing the capacity of staff, communicating with stakeholders and collaborating with nonprofit boards on vision, strategy and future leadership needs.

In addition, many of our associates have deeper expertise in particular practice areas such as finance, fund-raising, human capital, systems and operations, technology, public relations and the law, and they are willing share their knowledge in these areas when needed by others.

Here we highlight just a few of the associates in our network:

Art Buckland

Art Buckland is a Board Member, entrepreneurial business leader, trusted advisor and growth architect with a distinguished and time-tested record of success revitalizing and transforming operations to advance business mission and enhance stakeholder value. He is a multidimensional and agile business architect who ignited growth and profitability in public and privately held businesses in seven countries, ranging from startups to billion-dollar global enterprises in diverse industries, including capital equipment, clean energy, manufacturing, industrial products, supply chain, water, and solar.

More recently, Art has served as an Interim Executive Director for a Boston-area nonprofit, and also as a Board Member for other local nonprofits. His strong executive presence is instrumental in building relationships with c-suite executives, employees, board members, customers and investors.

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Jon Firger

Jon Firger’s training and experience in social work and business administration have created a powerful and unique perspective and skill set. His work with nonprofit organizations has enabled him to identify and launch business models built upon the passion of mission, core expertise and solid financial planning.

Jon has been a recognized chief executive for the past 25 years, first at Jewish Family Services of the North Shore in Salem and then at Family Access in Newton, Massachusetts. At each organization, he led the Board and management to identify and launch core, revenue-producing social enterprises that support and sustain their mission and finances.

Jon’s experience in the use of business tools, such as strategic, business unit and succession planning, helps organizations stay in front of changes in community needs, economic and political shifts, and leadership or key personnel succession.

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Charles McCrea

Charles McCrea is a Senior Consultant with an extensive background in the areas of leadership development, change management and team building (developing a sense of community). He has worked with non-profit, public sector and educational groups in strengthening leadership, governance, and teamwork such that the individuals and organization can work together to achieve goals that had previously been challenging.

Charles has experience as a supervisor and manager in a manufacturing environment as well as a division operations manager. He also held varied marketing positions (Director Environmental Stewardship, Director Polaroid Education Program, Director Corporate Packaging and Branding). Charles served as the Chief Operation Officer of a national nonprofit, The Environmental Careers Organization.

Charles has successfully delivered many supervisory and management training initiatives including Supervisor Certificate Programs for the Executive Office of Health and Human Services, Executive Office of Labor and Workforce Development, Massachusetts Rehabilitation Commission, New Hampshire Rehabilitation Commission, and supervisor coaching for Department of Children and Families

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Lynne Molnar

Lynne Molnar is recognized as a leader in the field of executive transitions, serving her first of nine interim executive director roles in 1999. Since that time, she oversaw the placements of 80 interim and transition consultants through her work with Third Sector New England in Boston and The Support Center in New York. Lynne has an MBA from Boston University and an Ed.M. from Harvard. She began her consulting career in 1993, after 20 years in nonprofit management serving at various times as supervisor, controller and executive director. She conducts workshops on succession planning and executive transitions for consultants, board members and executive directors.

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Alexandra Rollins

Alexandra’s work focuses on nonprofit planning and management. A specialty is developing funding through grants, individual donations, and cooperative agreements, and she has deep experience with foundations, corporations, local, state, and federal government, nonprofits of various constructs, and public-private partnerships. Her niche expertise resides in historic preservation, the arts, and humanities.

She is experienced in leadership facilitation, business and strategic planning, and organizational development. Senior positions in change management and start-up management include the Dietrich American Foundation, the State Justice Institute, the Harvard Astrophysical Observatory, and the Hingham Heritage Museum, along with others. As an Interim Executive Director, Alexandra led the Museum of Arts and Design, the Rhode Island Council for the Humanities, and the Bates College Museum of Art. At the Corporation for National Service, her excellence in organizational and assessment skills paired with her strong writing and a long history of process, procedure, and policy development, led to a restructuring of the $400m grant awarding office.

During her career, Alexandra has raised and managed millions of dollars and initiated and led multi-year projects for several of the top American art collections in the country.

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Ellen Sturgis

Ellen Sturgis has over 30 years of nonprofit experience in finance and administration for small to medium sized organizations in a variety of sectors. She is currently an independent consultant offering interim services as well as expertise in redesigning financial and operational systems. Ellen has worked with organizations with budgets of up to $5 million and in staff from 5 to 125 in the full range of nonprofit sectors from cooperatives to land trusts to the arts and human services. Ellen, a lifelong resident of Massachusetts, has an MBA in Finance from Boston College, and holds a BA from Hampshire College, where she now serves as a Trustee. She is Chair of the Selectboard in the town of Stow, and also serves as a Corporator for Middlesex Savings Bank,  and a member of the Leadership Council for MassCreative.

From 1995-1997, she served for a worker owned international fair trade company as their first CFO; from 1998-2007, she served as the first COO of a regional land trust, implementing a range of operational systems for a fast growing organization; she also served as Interim Executive Director.

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Ilene Sussman

Through the use of communication, collaboration, community engagement, and developing and executing strategic plans, Ilene’s expertise includes transitioning organizations from start-ups to highly regarded agencies. In both roles her work resulted in transitioning start-up organizations into highly regarded and established entities. As the Executive Director at three different and unique organizations, Ilene has worked closely with the Board, created a strong and successful governance structure, developed and expanded programmatic efforts to serve a wide range of stakeholders, created strategic and effective collaborations, advocated on Capitol Hill, and grew assets 10-fold ($2 million).

Ilene’s multi-faceted career includes earning a PhD in biochemistry. Her scientific background and experience provide a strong ability to create meaningful collaborations, develop strategies, uncover and resolve potential obstacles.

Ilene Sussman is the former Executive Director of the VHL Alliance and North American Thrombosis Forum as well as the founding Executive Director of the Jewish Day School Advocacy Forum.

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Paul Swindlehurst

Throughout his 30-year career in institutional advancement, Paul Swindlehurst has worked in mission-centered nonprofit organizations, honing his skills in strategic planning, staff leadership, board development, fundraising and community relations. He now is an independent consultant, available to serve as a nonprofit’s interim executive leader or collaborating with leadership to help grow fundraising programs and improve board effectiveness. 

Paul served in C-level, executive positions with overall fundraising leadership responsibility, at Merrimack College, The Rashi School, Community Resources for Justice, and The Greater Boston Food Bank. His experience also includes director of development at Bentley University and director of development for the business school at Northeastern University. Early in his career, he held program and executive-level positions at several YMCAs in eastern Massachusetts.

He recently completed the Interim Executives Academy coursework, contributing to his successful practice of professional transitional leadership for nonprofits. 

Paul is active on several community boards and is the past president of the Association of Fundraising Professionals – Massachusetts Chapter. (AFP).

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Suzanne Tillman

Suzanne Tillman engages with head and heart. With over 20 years in non-profit leadership, preceded by 13 years in corporate human resources, Suzanne offers a compelling blend of toolbox and temperament: organizational savvy amplified by emotional intelligence.

By applying her change management, culture building, and operational talents, Suzanne helps boards and staffs advance their missions and passions.  Her work is rooted in the belief that leadership transitions are opportunities for strengthening organizations – in terms of talent, coherence, systems, programs, and partnerships.  She is known as a calm and stabilizing presence with a track record of serving through even the most tumultuous transitions.

Suzanne’s work centers on education- and social justice-centric non-profits. This is in keeping with her core values of diversity/equity/inclusion/access and commitment to leveling the playing field for ALL, especially youth.

Suzanne is a graduate of Third Sector Company’s Interim Executives Academy and Support Center’s Interim Executive Director Training.

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Robert Zimmerman

Bob Zimmerman cofounded an athletic academy early in his career, serving as its headmaster for 13 years, placing all graduates in competitive colleges and 14 on US national teams. He then stepped into a new career as Executive Director of the Charles River Watershed Association. Over nearly 30 years under his direction, he expanded the focus of the organization to include scientific research and analysis, ecosystem and land-use planning, land and water regulation reform, and restorative technology development, while winning major battles to restore and protect the Charles River and its parklands. In 2011 CRWA won the $350,000 International River Foundation’s Theiss International Riverprize for exceptional river management. US EPA now calls the Charles the cleanest urban river in America.

He is creative and visionary, with strong skills in assessment, prioritization, and institutional development. He has undergraduate and graduate degrees from Central Michigan University, and did continuing studies in finance, computer applications, and management at the University of Vermont and the State University of New York at Plattsburgh. He was named a River Network River Hero, received the Gulf of Maine Council’s Visionary Award, and EPA New England’s Environmental Lifetime Achievement Award, all in 2018.

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