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 currently available in our network:

Gaylon Alcaraz

Gaylon comes from a long history in Chicago as an activist, organizer and champion of human rights. For more than twenty-five years, she has worked on behalf of sexual minority women, anti-violence, gender equity, health prevention, reproductive rights, as well as race and culture issues. She has consistently applied her knowledge in practice towards quality improvement, increased access, and by challenging frameworks that do not allow for the exploration of diversity across multiple dimensions when working with, and on behalf of diverse constituencies. Gaylon is the past Executive Director of the Chicago Abortion Fund and is a founding board member of Affinity Community Services, a past board member of the Illinois Caucus for Adolescent Health and the Midwest Access Project. Currently, provides interim Executive Director services for organizations in transition.

Born and raised in Chicago, Illinois she was awarded her BA and MA from DePaul University. Gaylon is currently a PhD candidate in Community Psychology at National Louis University.

Full bio

Jeff Caplan

Jeff Caplan is a successful entrepreneur with extensive experience as a nonprofit consultant and board member.  He co-founded 89 Degrees, a CRM and Loyalty marketing agency that grew to 80+ FTE at the time it was acquired in 2018.

Jeff has advised nonprofits on pivotal operational and strategic issues for more than a decade.  As a Team Leader at Community Consulting Teams, Jeff directs project teams of six to eight consultants who advise mission-driven organizations on strategic planning, operational efficiency, and marketing strategy.   In this role, Jeff works closely with the client’s executive team and board throughout the annual seven-month project cycle, defining the scope of work and guiding discussions that keep all stakeholders informed and the initiative on track.

A highly collaborative partner and mentor, Jeff utilizes his full range of nonprofit and for-profit experience to strengthen the organization’s ability to achieve its mission, while building the internal skills and best practices that create long-term success.

Jeff holds a BA from Claremont McKenna College and an MBA from the Wharton School of the University of Pennsylvania.

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Barry Coletti

Barry L. Coletti is an experienced career executive, who now offers Interim Executive services to organizations that are in leadership transition. Barry adds value to organizations via stabilizing the operations and maintaining their strategic mission. Barry is successful in handing off the role to the new executive, as demonstrated by creating highly effective multi-disciplinary, cross functional teams, grounded in transparent communication and trust.

Barry, in his first career, was a licensed and board-certified clinical counselor. He displays a passion for helping people and now helps organizations learn to improve and help themselves move forward. Barry has a depth and breadth of experience over a 30-year career as an executive, (in positions of  COO, CEO, Advisor) with exposure to over 25 different organizations, at both the departmental and corporate levels.

Barry is known for revenue cycle improvements, transforming siloed operations into high functioning multi-disciplinary teams and culture transformations. His success as an executive is in his systemic training and ability to understand organizations; their cultures and his belief in listening to and developing the people who work there.

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Gary Damon

Dr. Gary Damon, Jr. is the President and Chief Executive Officer of Pressure Point Consulting, LLC, a small boutique consulting firm that supports mission-aligned non-profit organizations. With over 22 years of experience in senior and executive leadership across multiple industries: health and human services, criminal justice, re-entry, public, private, international, higher education, and government. As President and Chief Executive Officer, Gary has provided on-demand, transformational interim or co-director support to many industry-leading organizations that serve under-represented, vulnerable, and at-risk individuals.

Gary has provided onsite technical support and assistance, program leadership coaching and support, and workforce development and training to current clients across multiple states, including Connecticut, Kentucky, Michigan, Pennsylvania, Vermont, and California. Gary also published “Everyday Experiences to Improve Work and Life: Reflection Strategies from a Motivational Leader.”

Gary has earned a reputation for his keen ability with people and performance management skills and for his integrity, character, openness, confidence, and bravery to lead a team toward high performance, high impact, and success.

Lastly, Gary earned a Doctorate of Education in Transformational Leadership from Concordia University, his Master of Arts in Organizational Leadership from Medaille University, and his Bachelor of Arts in Secondary Education (5-12) & English from Niagara University.

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Susan Dunn

Susan Dunn has more than 30 years of experience in managing non-profits with a focus on marketing, development, strategic planning and governance. Since leaving United Way of Central and Northeastern Connecticut (UWCNCT) in 2016 after a 26-year career in leadership there, Susan has coached non-profit CEOs, consulted in major giving, and stepped in as interim when serving as chair for a non-profit in Connecticut and Western Massachusetts.

Susan’s expertise lies in her ability to view an organization and its structure from a 30,000 foot perspective and help board and staff to put processes and structure in place to achieve an organization’s mission.


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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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Shane Goldstein Smith

Dr. Shane Goldstein Smith is a 20+ year educator, entrepreneur, innovator, and is the Founder and CEO of CultivateEd, an education consultancy. Shane’s passion is  finding ways to elevate the academic experience through innovation. Shane has extensive experience creating, designing, and managing academic and operational programs; leading school and district programs and initiatives; and cultivating school and district partnerships across the nation and abroad.

Previously, Shane served as Chief Academic Officer of Ingenious Schools, a virtual collaborative PreK-12 edtech startup across the US and Latin America. Prior to Ingenious, Shane was the Head of Schools at WeGrow/WeWork, and Chief Schools Officer at Hebrew Public, a secular dual language charter network in New York City.

Shane spent the early part of her career as a high school history teacher at Whitney Young Magnet High School, a K-12 full continuum International Baccalaureate principal, and a deputy chief of schools in Chicago Public Schools. Shane has her doctorate from National-Louis University, her MSEd from Northwestern University, and her BA from Miami University (OH). She resides in Livingston, NJ with her husband, three children, and their much-loved beagle.

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Neil Gordon

Neil was the CEO of Discovery Museum in Acton.  Prior to assuming this, Neil served as the Executive Vice President and Chief Operating Officer for the Boston Children’s Museum, where he worked for 14 years.  Prior to that, Neil was the City of Boston Budget Director and the Associate Director for the Mayor’s Office of Jobs and Community Services, Boston.  Neil was a Board member and Chair of the Board of the Association of Children’s Museums, Board Member and Treasurer of  NEMA, Board member of the MetroWest Nonprofit Network, and Board member and Treasurer of the Museum Institute for the Teaching of Science (MITS), and Founding President of the Friends of Fort Point Channel. Neil holds a Masters degree from the Kennedy School of Government at Harvard University and a BS in Geology from Dickinson College.  Neil lives in Wayland MA with his wife, Ann.

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Michael Halperson

Mike Halperson is a seasoned, experienced, flexible leader. His style is highly collaborative and inclusive and he has demonstrated the ability to manage teams through challenging transitions with highly satisfactory outcomes, some of which were complete turnarounds.

His experiences include Interim CEO of a the Worcester Ecotarium and also a Greater Boston medical academic-detailing nonprofit, Interim Managing Director of a for-profit software company, Chair of the Board of Directors of a multi-hospital healthcare system, and President of a suburban nonprofit nursing/home care agency. He has also served on many nonprofit and for-profit boards including the Boston Symphony Orchestra, Boston Ballet, New England Conservatory of Music, Kryptonite Corporation, Massachusetts Cultural Facilities Fund, Business Products Industry Association, Norwood Hospital and Cape Cod Sea Camps.

Mike has hands-on experience in Human Resources, Industrial Relations, Manufacturing, Sales, Marketing, Planning, and General Management with profit-and-loss responsibility. He holds degrees from Union College (Schenectady, NY), University of Massachusetts Amherst and the University of Denver. He was also a commissioned officer in the United States Air Force.

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Donna Lowry

Donna Lowry, MD is an executive/strategist with 30 years of experience in the nonprofit, education, and health care sectors. She has held leadership positions at the University of Pittsburgh, Hope College and Ready for School. Donna has developed a strong reputation around community-wide collaborations that leverage public-private partnerships. As a physician, she has designed outcomes-based programming connecting health and education to community development and been instrumental in raising the funds to bring these programs forward. She has worked tirelessly to develop and implement programming that elevates issues of diversity, inclusion, equity, and access, particularly around children’s rights to quality education and healthcare. As a professional interim, her strategies resulted in a 27% increase in top line revenue and stabilized staffing in a private medical practice during COVID.

In 2021 she formed her consulting practice to advise and coach educational institutions, medical practices and community startups in matters of strategy, program development, collaborations, and funding.

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Michelle Mapp

Michelle Mapp is an experienced nonprofit executive with more than 20+ years working in the nonprofit and governmental sectors.  Michelle a former nonprofit CEO, interim executive director, and business owner, works with mission-driven organizations to help them envision and achieve greater impact and sustainability.  With a background in communications, executive leadership, technology, project management, strategic planning, and consulting, Michelle brings decades of solutions-oriented experience to all her clients.  She is a results and people-oriented leader, deeply understanding the connection of people and organizational culture to the fulfillment of mission.

Through the years, Michelle has worked with a wide range of clients such as the US Department of Agriculture, the International Dyslexia Association Los Angeles Branch, and the Music Man Foundation. She is passionate about helping nonprofits do what they do better in a sustainable way.

Michelle has a master’s in business administration from the University of Warwick in the United Kingdom, an undergraduate degree in political communications from George Washington University, and a certificate in nonprofit management from Duke University. Michelle is also a certified Project Management Professional (PMP) through the Project Management Institute.

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Alan Mathis

Alan Mathis is an experienced nonprofit CEO with a proven track record of repositioning and growing organizations aligning every level of the entity with a common vision. Credited with the turnaround of two struggling nonprofits, Alan has a knack for detecting and resolving thorny organizational challenges. Today, his mission is to strengthen the nonprofit sector by providing interim leadership and consulting services. Alan partners with leadership to improve board governance, fund development, strategy execution, and communications both internal and external.

Before joining Interim Executive Solutions, Alan served as the president and CEO at LifeBridge Community Services, Bridgeport, Connecticut, Liberation Programs Inc, Norwalk, Connecticut, and the Lower Eastside Service Center in NYC. The portfolio of services under his leadership included primary medical and behavioral healthcare, affordable housing, employment, and youth development in marginalized communities.

Alan earned a B.A. in Political Science, Magna Cum Laude, Kean University, Union, New Jersey and a M.S. in Policy Analysis and Public Management from Stony Brook University, Stony Brook, New York. As an Alfred P. Sloan Fellow, he studied at the Kennedy School of Government, Harvard University, Cambridge, Massachusetts and the Hubert Humphrey Institute of Public Policy, University of Minnesota, St. Paul Minnesota.

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Charles McCrea

Charles McCrea is a Senior Consultant with an extensive background in the areas of leadership development, change management, team building, and developing a sense of community. He has worked with nonprofit, 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 the Department of Children and Families.

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Ellen Meyer Shorb

Ellen Meyer Shorb’s passion is to help visionaries, teams, and boards successfully address economic and social inequities in the world. For 10 years she was a senior manager in three different nonprofits, and for the last 15 years, a nonprofit consultant, with a focus on strategic planning and building high functioning teams.

At an Ivy League university, she helped three academic departments each align around a shared vision and strategy for their department, to help them make key hires, allocate resources, and rebuild civility. At Enterprise, she coordinated a diverse internal team heading 10 local offices to successfully apply for and run a $30M loan and grant program to create safe communities with affordable housing. She worked with the senior teams of two major nonprofits to negotiate joint operating and marketing plans to optimize their merger.

She has a BA in History/Women’s Studies from Dartmouth College, a Master in Public Policy from Harvard Kennedy School, and a MBA from Stanford University. She chairs the Finance Board Committee for the Safe Passage school in Guatemala and the Boston Regional Leadership Board of Stanford Business School Women’s Circles. Her joys include her four children, one long marriage, and dancing, especially to Latin music.

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Linda Noonan

Linda Noonan currently works with nonprofits and advocacy organizations at the national, state and local levels as a Board member and active volunteer. She previously served as Executive Director of the Massachusetts Business Alliance for Education (MBAE), where she was responsible for advancing the organization’s mission to ensure a high quality public education to prepare every child in Massachusetts for success in college, career and citizenship. In this role, she has represented the business community on state task forces and advisory councils related to education and economic development. Previously, Linda directed international trade programs at Associated Industries of Massachusetts and also served as State Director for the National Federation of Independent Business.

Linda began her career in government at the U.S. Transportation Systems Center in Cambridge, Massachusetts and subsequently was appointed Assistant Secretary for Economic Affairs for the Commonwealth of Massachusetts. Her civic and volunteer activities include serving on the Westwood School Committee and on the town’s Finance Commission, Permanent Building Committee, and Economic Development Advisory Council. She holds degrees from Cornell University and the University of Chicago.

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John O’Hara

John O’Hara has spent his career successfully building and leading a variety of non-profit and for-profit healthcare organizations. He has a proven ability to align board members, managers and staff around rapid organizational transformation, growth, and the continuous improvement of operations and finances. John has an effective collaborative leadership style and a demonstrated ability to build and manage high performing teams through very difficult challenges, including complete turnarounds.

John is an innovator who builds trusting relationships with his colleagues and creates a positive environment for change to achieve an organization’s immediate and longer term objectives. He is a good listener and prides himself on being a supportive leader, coach and mentor. John has been an Executive Vice President of a community hospital, Administrator of a large urban ambulatory care center, CEO of a for-profit multi-specialty cardiovascular practice, the President of a multi-specialty physician enterprise, and the Vice-President of a public, safety net hospital.

He currently serves as a Board Member of a local healthcare organization and volunteers for a number of organizations in his community. John has a BA from Boston College, an MHA from The George Washington University, and a JD from Suffolk University.

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Amanda Preston

Amanda Preston is a respected nonprofit executive/strategist with over 25 years of experience in the nonprofit sector. She has held senior leadership positions at the Harvard – Smithsonian Center for Astrophysics and Harvard University, among others.

Amanda’s background includes advancement, external relations, board development and governance, legislative affairs, and program design, review, evaluation, and management. She has an excellent track record in securing significant funding from individuals, foundations, and government agencies for a broad range of programs and organizations. She has also developed her skills and knowledge in the planning, implementation, management, and evaluation of small and large inter-disciplinary and inter-institutional partnerships. She is also deeply involved in mentoring and coaching early-career professionals.

In late 2018, she formed her consulting practice to advise and coach the leaders of scientific and educational institutions in matters of strategy, planning, positioning, program development, research collaborations, and funding.

She graduated from Wellesley College, while completing some of her coursework at the Massachusetts Institute of Technology.

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Ellen Rothberg

Ellen was President of VNA Health Care located in north central Connecticut , a $50M multi corporate, multi site agency. Services included home health, private duty, hospice, managed care contracting, durable medical equipment, pharmacy and social support agencies. The agency had severe financial problems and, working along with the Board of Directors and management team, she completed a review of all business lines, locations and organizational structure and completed a turnaround.

For the last six years Ellen has worked with agencies to assess and develop plans for improvement in all areas of operations from intake, marketing, billing , finance and clinical delivery and quality. She works with boards of directors to evaluate agency viability and with management to evaluate and develop plans for immediate and midrange improvement in operations.

Ellen has served on both state and national committees as a member of the board of directors of Visiting Nurse Associations of America and the Connecticut Association for Health Care at Home and gives presentations at state and national industry meetings.

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Tracey Schear

As a seasoned leader, Tracey brings broad-based experience in the fields of social change, education, health and wellness,, human services, organizational transformation, and leadership development. For over thirty years Tracey  has led nonprofit, public sector and international organizations, overseeing budgets and investments of up to 62 million dollars. Her hands-on experience as a public sector leader, nonprofit executive, consultant, advisor, and systems coach gives her a unique perspective in her work with organizations in transition.

Tracey has extensive experience in leadership transition, organizational development, change facilitation, board development, strategy and design, and partnership and alliance building, Throughout her years of service, she has partnered with organizations to transform their culture, address structural and systemic inequities, and design strategic actions to create just, fair and inclusive human-centered systems. She holds a Master of Social Work; is a Licensed Clinical Social Worker, Professional Certified Coach, through the International Coach Federation; and is a certified Organizational Relationship Systems Coach.

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Howard Sitron

Howard Sitron’s deep understanding of how to organize operations to achieve intended impact comes through his extensive career in the nonprofit universe. In roles beginning with mental health case manager and extending to hospital administrator and president/CEO of a large multi-service agency, this experience informs his ability to step into a wide variety of positions effectively. Howard’s work spans health care, developmental disabilities, immigration, therapeutic education, adoption, child welfare, mental health, workforce development and cause fundraising.

The common thread connecting Howard’s work is a collaborative, goal-directed approach embracing strong board/management/staff relationships. Achievements include turnaround of the national Breast Cancer 3-Day when it faltered under its original producers, with a significant increase in the return to charity. He led the successful merger of a large child and family service agency and workforce development organization, achieving economies of scale and service enhancements through an integrated service delivery approach.

Howard furthers his community impact through volunteer work in neighborhood empowerment, mental health and developmental disabilities, with stints as board member, chair and treasurer of arts therapies providers and an international membership organization. He provides pro bono consultation to nonprofit leaders in Chicago and Philadelphia.

Full bio