Staff

Capacity Strengthening Fellow

Arefa is an undergraduate student at Cornell University pursuing a double major in Economics and Information Science, wi...More

Arefa Rahman

Capacity Strengthening Fellow

Arefa is an undergraduate student at Cornell University pursuing a double major in Economics and Information Science, with an expected graduation in June 2026. She combines analytical expertise with a strong commitment to community service. Trilingual in English, Bangla, and Hindi, she brings technical proficiency and a strong interest in data and analytics. Outside work, Arefa enjoys knitting, biking, badminton, and gardening.

Carolyn Champ

Associate Executive Director

Carolyn oversees consulting and Support Center’s “community of practice,” managing contracts and projects as well as cli...More

Phone 212-924-6744 Ext. 302

Email [email protected]

Carolyn Champ

Associate Executive Director

Carolyn oversees consulting and Support Center’s “community of practice,” managing contracts and projects as well as client and funder relationships. Prior to joining Support Center, she developed and directed programs focused on education, leadership development and sustainability at the Philip Evans Scholarship Foundation, a division of The Kohlberg Foundation in Mount Kisco, NY. From 1998 – 2007 she was instrumental in launching and running the Social Enterprise Program at Columbia Business School to educate MBA students and professionals in nonprofit management, social entrepreneurship and corporate citizenship. She began her career as a research assistant and administrator at Metis Associates, Inc., a national consulting firm based in NYC, where she evaluated education programs in NYC schools and managed the firm’s operations. Carolyn has a Bachelor’s degree in International Studies from Allegheny College and a Masters in Public Policy from the University of Pittsburgh.

Crystal Harper

Director of Finance & Administration

Crystal leads Support Center’s operations and finance functions, managing the administration of consulting, coaching and...More

Phone 212-924-6744 Ext. 314

Email [email protected]

Crystal Harper

Director of Finance & Administration

Crystal leads Support Center’s operations and finance functions, managing the administration of consulting, coaching and training agreements and assisting in data management and IT coordination. She brings a range of administrative, human resources and financial expertise to Support Center from previous experiences in the corporate and nonprofit sectors. Most recently she handled administration, IT and budgeting for the NYC Build It Back program, and previously, with other nonprofit organizations.

Ellie Bruce

Nonprofit Capacity Strengthening Intern

Ellie is a senior at Sarah Lawrence College studying the social sciences – primarily social issues, advocacy, culture, a...More

Ellie Bruce

Nonprofit Capacity Strengthening Intern

Ellie is a senior at Sarah Lawrence College studying the social sciences – primarily social issues, advocacy, culture, and global politics. Ellie’s been an advocate for underserved communities for eleven years. Previously, she was a journalist intern for The Borgen Project. Her published work focused on non-profit organizations supporting unhoused and refugee communities. She also worked as a technical and educational assistant for NALU (Nature Activities for Learning and Understanding), part of the Pacific American Foundation based in Hawaii. Ellie hopes to continue supporting organizations that empower marginalized groups. In her free time, Ellie likes to bake, go shopping, and get brunch with friends.

Gabriela Barria

Program Manager

Gaby coordinates all Support Center workshops, customized trainings, and special events and supports logistics for multi...More

Phone 212-924-6744 Ext. 315

Email [email protected]

Gabriela Barria

Program Manager

Gaby coordinates all Support Center workshops, customized trainings, and special events and supports logistics for multi-day and multi-organization programming. Prior to joining Support Center, Gaby interned at Seldat Distribution and the New Jersey Office of Faith-Based Initiatives (NJOFBI) at the Department of State in Trenton, NJ. Gaby earned a B.A. in Business Administration from the College of Saint Elizabeth in May 2017.

Keith Timko

Executive Director/CEO

Keith Timko is Executive Director at Support Center and leads efforts to strengthen the leadership and management of org...More

Phone 212-924-6744 Ext. 308

Email [email protected]

Keith Timko

Executive Director/CEO

Keith Timko is Executive Director at Support Center and leads efforts to strengthen the leadership and management of organizations and advance Support Center’s vision for social change. develop and promote an integrated and collaborative approach to capacity building for nonprofit organizations and social enterprises. Prior to joining Support Center, Keith was the Director & CEO with Build with Purpose, a nonprofit real estate development organization. Keith brings over twenty five years of experience in nonprofit leadership spanning nonprofit leadership and management, community development, education, and urban policy. Keith is past co-chair with the Alliance for Nonprofit Management and former Treasurer with the NJ Center for Nonprofits and currently serves on the boards of Murray Grove, the National New Markets Fund (advisory), and the Senior Residence at St. Peter the Apostle in River Edge. Keith has a Bachelor’s degree in History and Russian from Rutgers University and a Master in Business Administration from Columbia University and is currently a part-time lecturer in social entrepreneurship at Rutgers Business School.

Khourin Wilkins

Associate Director of Programs

Khourin is the Associate Director of Programs at Support Center. In this role she supports the strategy and management p...More

Phone 212-924-6744 Ext. 310

Email [email protected]

Khourin Wilkins

Associate Director of Programs

Khourin is the Associate Director of Programs at Support Center. In this role she supports the strategy and management portfolio and manages grants and contracts. Khourin is a professional with a strong background in the nonprofit sector, particularly focused on supporting organizations in New York City and New Jersey. Khourin has over 15 years of experience in this field; her most recent role was as the Senior Manager of the Entrepreneurship and Business Development department at the National Urban League.

One of Khourin’s passions is working with opportunity youth and promoting entrepreneurship within minority communities. Recognizing the significance of these endeavors, seeing them as essential components in creating financial opportunities and freedom for underrepresented groups.

Khourin’s educational background includes a Bachelor of Arts degree in Communications from Kean University and a Master of Science degree in Strategic Design and Management from The New School.

When Khourin is not working, she enjoys painting, dancing, true crime podcasts and spending time with family and friends.

Margaret Kearney

Nonprofit Capacity Strengthening Intern

Maggie is happy to be joining Support Center as a Nonprofit Capacity Strengthening Intern through May 2025. Maggie is wo...More

Phone 212-924-6744

Margaret Kearney

Nonprofit Capacity Strengthening Intern

Maggie is happy to be joining Support Center as a Nonprofit Capacity Strengthening Intern through May 2025. Maggie is working on their MPA (Master’s of Public Administration) at Baruch College’s Marxe School of Public and International Affairs because they are passionate about nonprofit work and capacity strengthening. They are a recent graduate of Hunter College, holding a BA in Political Science with minors in Public Policy, English, and Theatre. Maggie is motivated by the desire to create a better, more equitable world for marginalized people. They have experience working with several nonprofits local to New York City with the goal of positive social change in mind. Maggie is eager to incorporate nonprofit capacity building into their career goals of uplifting underserved populations. In their free time, Maggie likes to crochet, sew, and play guitar!

Maya Kassahun

Program Manager

Maya is a Program Manager at Support Center, where she primarily supports the executive transition and professional and ...More

Phone 212-924-6744 Ext. 321

Email [email protected]

Maya Kassahun

Program Manager

Maya is a Program Manager at Support Center, where she primarily supports the executive transition and professional and leadership development services. Prior to joining Support Center, she was an educator and has experience with design and diaspora engagement. She is driven by the urgency to create a better, more collaborative world and by the possibility of change. Maya holds a BA in Sociology/Anthropology with minors in Gender Studies & Africana Studies from Carleton College.

Nicole Berroa

Manager of Data & Technology

Nicole Berroa is a data professional with over four years of experience in nonprofit data management and analytics. She ...More

Phone 917-522-8306

Email [email protected]

Nicole Berroa

Manager of Data & Technology

Nicole Berroa is a data professional with over four years of experience in nonprofit data management and analytics. She specializes in Salesforce administration, funding report preparation, and automating data processes to improve efficiency and accuracy. Throughout her career, Nicole has overseen federal reporting workflows, managed CRM databases, and developed internal data-monitoring practices. She is skilled in training staff on data entry best practices and ensuring compliance with state and federal guidelines. With a background in computer science and a passion for leveraging technology to support nonprofit initiatives, Nicole excels at optimizing data systems to enhance organizational impact.

Taiwo Fayemi

Program Manager

Taiwo is a Program Manager at Support Center, where she primary supports strategy and management services and works with...More

Phone 212-924-6744 Ext. 328

Email [email protected]

Taiwo Fayemi

Program Manager

Taiwo is a Program Manager at Support Center, where she primary supports strategy and management services and works with various members of the team to conduct client intakes and administrative duties. She is a recent graduate from Haverford College and holds a BA in Sociology with a minor in Health Studies. She has worked with a plethora of nonprofit organizations that promote positive social change in relation to community building, food insecurity, health systems, and education reform. Taiwo wishes to accelerate positive social change in underserved communities in the United States and internationally.