Our Team

Jeannine Corey has been serving the nonprofit sector as a leader and thought partner since 2001 and began providing consulting services to foundations and nonprofits in 2016. Jeannine focuses on business architecture and process projects, providing support in the following areas: process assessment and re-engineering; technology requirements definition and vendor selection; data governance and taxonomy; project management for implementations; staff training; and, post-launch support as needed.

Jeannine has served as the Project Manager for Fluxx, GivingData, SmartSimple, and Salesforce grants management system implementations and has supported clients through the change management, training, and system documentation processes. Jeannine has also guided organizations through the process of reviewing, updating, and documenting their grantmaking policies and practices, including business continuity efforts.

Prior to consulting Jeannine served as the Director of Grants Information Management for the Foundation Center, now Candid, for 5 years. During her tenure, she was responsible for providing the leadership, vision, and strategic direction for the Center’s grants collection and outreach efforts. Jeannine served as the Center’s team leader for Electronic Reporting initiatives and oversaw the creation and implementation of the new Philanthropy Classification System as well as the Center’s new Enterprise Database Management System. In that role, she was also responsible for developing and maintaining relationships with the major grants management vendors serving the sector; relationships that are still in place and aid her when assisting clients with their vendor selection efforts. In addition to managing the Grants Processing team, she was also involved in product development and played a key role in promoting the Center’s data and tools as resources for grants application and management software platforms. While at the Center, Jeannine served as the co-lead of the Center’s 3-year project to design and implement a new enterprise data management system.

Before joining Foundation Center, Jeannine served as the Director of Operations for grant-making public charity for approximately 10 years. In that role, she also oversaw the organization’s transition from a number of locally installed applications to a fully integrated donor, grants, and financial management system which was followed by the roll-out of a web-based donor advised fund portal for account holders.

Heather Janbay is a philanthropy consultant with over 15 years experience as both a grantmaker and grantseeker, after a career as a business analyst in the corporate world. Heather has worked closely with Fluxx for over a decade, during which time she has successfully led over 20 implementations for some of the largest foundations in the world. Her passion is helping funders streamline their processes so they can focus on impact, as well as setting up a project for success with her project management skills.

Heather has a Bachelor’s Degree in International Business and Spanish from Texas Tech University, a Master’s Degree in Global Affairs and a graduate certificate in Nonprofit Administration from Rutgers University.  She speaks fluent Arabic and Spanish, and has traveled the world extensively in her ongoing efforts to immerse herself in other cultures. She lives in Brooklyn, NY.

Mary Kadzielski has a decade of experience serving the nonprofit sector. Her consulting work has focused on assisting nonprofits with strategy, operations, research, coalition building, and communications. Prior to switching to a consulting role, she served as COO of a small non-profit for three years. Mary has assisted several nonprofits with adopting and migrating to new technologies including donor, email, event and contact management systems.

Mary’s research experience includes work with XPRIZE, the History Channel series Modern Marvels, and a Discovery Channel series on energy and climate issues and solutions.

Mary has her Master’s in Wild Writing from the University of Essex. Her dissertation focused on climate change as a human and human rights issue, specifically as it relates to the people of the Republic of Maldives. She has a BA from the University of California, Irvine.

Madeleine joined the Philanthropy.io Core Team of consultants in July 2024 and helps support our clients with process analysis, GivingData, and data analytics projects.

Madeleine has extensive experience in the non-profit sector, having served both sides of philanthropy. Prior to transitioning to consulting, she spent four years as the Grants Manager at Houston Endowment and five years managing foundation support at WHYY, an NPR/PBS affiliate station.

Madeleine specializes in optimizing grantmaking systems, supporting system implementations, and providing comprehensive data analysis and visualizations. She is skilled in GivingData, Tableau, functionality optimization, change management, and process documentation. Madeleine is dedicated to improving the efficiency and effectiveness of grantmaking processes, ensuring that resources are allocated strategically and impactfully. She holds a BA in English from Saint Joseph’s University and resides in Philadelphia.

Celeste Orr has 15+ years of experience in nonprofit grants management and has managed and trained foundations on SmartSimple grants management systems since 2015. Specializing in system administrator support and training, system optimization, user interface design, and system development, Celeste serves as a database consultant for organizations such as The Home Depot Foundation, The Home Depot Foundation Canada, California Access to Justice Commission, Georgia Health Initiative, Weston Family Foundation, and Georgia Family Connection Partnership, among others.

Personable, empathetic, and detail-oriented in nature, Celeste uses a client-centered approach to her philanthropy work and takes pride in helping foundation and nonprofit leaders improve customer, client, and grantee relationships with better database management practices. Celeste holds a Master of Public Administration with a focus on nonprofit leadership and spends her free time working with women in Maine as a writer, author, and retreat leader on the topics of women’s empowerment, personal growth, and outdoor adventure.

Celeste’s proudest professional moments have been receiving client feedback such as, “She is fast, efficient, always cheerful, and truly a pleasure to work with“, “I wholeheartedly recommend her to any organization seeking assistance with their platform, as her dedication and proficiency are unmatched”, and “Celeste is a pleasure to work with and a huge asset to anyone looking to truly leverage SmartSimple and all its capabilities to achieve successful outcomes”.

Danette is an consultant with extensive experience in both the public and private sectors guiding organizations aimed at achieving impact. She helps organizations create and implement a clear vision and action plan for success, while empowering them to use their resources more efficiently to measurably improve impact. She also provides planning and change management guidance to help organizations envision the future, creating a "road map" for success and implement actionable plans to realize goals.

With almost 20 years of experience, Danette has acquired and in-depth understanding of organizational and inter-personal change through her work at various institutions, including The Rensselaerville Institute and the Mary Reynolds Babcock Foundation, in additional to supporting many organization as a consultant. She has worked with local, regional, and statewide organizations; including private and family foundations, corporate giving (CSR), grantmaking non-profit organizations, governmental agencies, collaborative networks, and community and economic development entities.

Danette has worked with all aspects of grants management, including alleviating the pressures of inefficient, time-consuming routine tasks, freeing up staff to perform more valuable functions that contribute to your organizations overall impact, and re-engineering and systems optimization. She has helped lead organizations through all levels process optimizations including database and system management optimization; technology assessment and planning; system implementation and/or development; outcomes development and tracking.

Mark Harris brings 25 years of expertise in data analysis, data transformation, application development, and technical team management. His experience spans various sectors, including healthcare, real estate, energy, and education, where he has supported clients through a range of complex projects.

Mark has successfully led teams through significant growth, expanding from 2-3 members to as many as 50. He has played a pivotal role in shaping strategies for technical tools, team development, and individual growth. Beyond his technical acumen, Mark is a strong advocate of project management, product ownership, and modern development methodologies, with substantial experience in both waterfall and agile processes.