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The GreatNonprofits Team

Team Members

Perla Ni, Founder has executive experience in corporate, academic, and nonprofit sectors. She was the founder and former publisher of the Stanford Social Innovation Review, the leading journal on nonprofit management and philanthropy. Prior to her work at SSIR, Ni co-founded Grassroots Enterprise, later acquired by global public relations firm Edelman.


Shari Tishman, Managing Director has spent her career focused on the intersection of technology and purpose to make the world better. She built and led marketing and communications programs at companies across the nonprofit and tech sectors, some of which include VolunteerMatch, Nitro Software, and RaiseMe. Shari has Bachelor's degrees in Psychology and Biological Sciences from Stanford University and earned her MBA and MS in Strategic Management from Kelley School of Business at Indiana University.


Margie Henry, Product and Engineering Manager Margie brings 10+ years of technical and team management experience from places like Apple and Textio. She has expertise in analytics, platform data engineering, product management, and data governance. She also spent eight years working in the nonprofit sector across the USA and Africa creating systems to collect data that told stories of mission fulfillment. Margie has a Bachelor of Arts from the University of Illinois at Chicago and a Master of Art in Management from Columbia College in Chicago.


Sarah Wissler, Marketing Director brings a background in marketing and communications for nonprofits, higher education, professional services and e-commerce to her role. Most recently, she served as the Global Marketing and Communications Director for Build Change. She received her Bachelor's degree from Bowdoin College.


Roneil Cesar, Customer Experience Lead has extensive experience leading customer service teams within the e-commerce industry. Prioritizing efficient strategy and internal development, Ron provides solutions, develops protocols and processes, and builds a quality customer experience.

Pavel Kuzmenkov, Software Engineer


Igor Noskov, Software Engineer keeps stability and harmony in all web services by writing new features, refactoring old code, and participating in new development projects.

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Joan Porticos, QA Engineer


Michael DeJesus, Customer Service has fifteen years of experience in customer service and team lead roles, serving as a front line of support for clients and customers. He provides helpful information, answers questions, responds to complaints, and works to ensure that customers are satisfied with products, services, and features.

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