Katarina Leiser is a seasoned nonprofit professional with over a decade of expertise in fundraising and resource development. She spent the bulk of her nonprofit career at the Legal Action Center in New York, raising millions of dollars in support of restorative opportunities for people with arrest records, substance use disorders, and HIV or AIDS.

At Instrumentl, Katarina has leveraged her frontline fundraising experience to guide hundreds of nonprofits in building strategic pipelines for grant funding and foundation partnerships. Previously, she served as an Account Manager at Classy (GoFundMe). Katarina holds an M.P.A. in Nonprofit Management from Baruch College.