The work we do for our clients involves more than just applying advanced statistical tools to identify new opportunity; it includes explaining to our client partners how we found this opportunity, creating an estimate for the fundraising opportunity, and working with our CCS colleagues to advise on how to effectively activate the identified opportunity.

John Sammis is a Senior Vice President and leads our Data Analytics practice. He brings more than 30 years of experience with statistical analysis and predictive modeling. He has devoted more than 15 years of his career to charities, universities, hospitals and other nonprofit institutions, helping them produce models and use the results to achieve their fundraising goals. At CCS, John helps philanthropy and fundraising professionals apply leading edge data analytics tools to address specific organizational objectives. He is constantly reviewing the latest statistics tools and innovations to ensure that CCS applies the best approach for each client. He has particular expertise in the areas of exploratory data analysis, interactive model building, model diagnostics and data vetting and cleaning.

During his time at CCS, John has worked with over 400 clients from all over the world to utilize data analytics for strategic fundraising.

John earned an MBA from the Johnson Graduate School of Management at Cornell University and a BS in Chemical Engineering from Clarkson University.

Headquarters: New York

527 Madison Avenue
5th Floor
New York, NY 10022

(212) 695-1175


Featured Insights


How to Identify New Major Gift Prospects With Predictive Modeling

May 10, 2024

CCS’s Senior Data Scientist John Sammis explains how your nonprofit can use predictive modeling to unearth new fundraising potential in your donor database.


Optimizing Major Gift Portfolios Using Predictive Modeling Scores

June 4, 2021

Major gift portfolios determine where relationship managers’ time and energy will be focused. How can nonprofits make sure they’re focusing on the right donors?


How Small Donors Become Major Donors: Analyzing Major Donor Pathways

April 28, 2022

Nonprofits can boost their major gifts strategy by better understanding major donor pathways through data analytics.