About

With your hosts…

Summer Prettyman

Summer is the co-founder of JustSum and the heart behind its vision to serve organizations with clarity and care. With a career rooted in roles of service from banking and advising customers to serving as a corrections officer, military service member, and nonprofit leader. Summer has always been drawn to helping others find strength and direction.

Her passion lies in being a trusted resource and guide. Whether it’s supporting clients through data challenges, coaching teams, or simply walking alongside people in their journey, she brings both technical knowledge and genuine compassion to every project.

Jeremy Van Groll

Jeremy is an incorrigible financial nerd and the founder and president of Nonprofit Bookkeeping.

Jeremy holds a Master of Financial Management degree and had 20 years of experience in financial leadership roles prior to starting Nonprofit Bookkeeping in 2016.  He and his team of rockstars develop a thorough understanding of each nonprofit organization’s operations to create focused financial tracking and reporting for internal stakeholders, donors, and board members.


Outside of his dedication to nonprofit financial management, Jeremy enjoys attending concerts, singing karaoke, and following sports, especially the soccer and gymnastics teams of his two sons.

About the Podcast

Un-CHARTed Podcast dives into the wild, wonderful world of nonprofit data and finance… the stuff that keeps missions running but rarely gets the spotlight. It’s a mix of heart, humor, and hard numbers, helping nonprofit folks laugh, learn, and maybe even love databases a little more..

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