Our Staff

Jillian Vukusich

Jillian C. Vukusich, CAP®

Executive Director

Jillian joined Lost Tree Foundation in 2015. Previously, she was the Executive Director of the Martin County Community Foundation where she led the organization through a period of growth and expansion. Prior to that, Jillian was the Vice President for Community Investment at the Community Foundation for Palm Beach and Martin Counties. She has served in a variety of capacities for philanthropic organizations such as the Council on Foundations, Philanthropy Southeast, Exponent Philanthropy and Florida Philanthropic Network. Jillian is a Chartered Advisor in Philanthropy®, holds degrees from American University and the University of South Florida and is an alumnus of the Hull Fellows Program.

Kerry Jamieson 21 Web

Kerry Jamieson

Community Engagement Manager

Kerry joined Lost Tree Foundation's team in 2021. She was previously employed at Quantum Foundation as their Communications Director where she worked alongside countless Palm Beach County-based nonprofit agencies, assisting them with best-practices in grants communications and telling their stories. She also worked as Director of Community and Public Relations at Center for Child Counseling. Prior to joining the nonprofit sector, Kerry was a Senior Communications Advisor at Florida Power and Light Company (FPL) where she led communications efforts for the Fortune 200's Power Generation Division. Kerry has a degree from the University of Miami and completed her postgraduate work at UCLA. In addition to her career achievements, Kerry is an internationally published novelist who writes historical thrillers set during the Great Depression and the Jazz Age.

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Alex Yanchura

Administrative Assistant

Alex was welcomed to the staff of Lost Tree Foundation in 2021 as an Administrative Assistant. Alex brings a wealth of experience from her years in the insurance industry. Alex worked at Gehring Insurance, Inc. where she excelled as a highly focused and detail-oriented Account Manager with an exceptional record of client service. Alex is a skilled communicator who manages simultaneous projects with high efficiency and accuracy. She has a degree in Organizational Management from Palm Beach Atlantic University.


Themis Quiros


Themis is responsible for the accounting operations of the Foundation. Her local work experience includes working for prominent organizations such as Town of Palm Beach United Way, United Way of Palm Beach County, Dreyfoos School of the Arts Foundation and the Rehabilitation Center for Children and Adults in Palm Beach, to name a few. Themis is a native of Puerto Rico. She graduated with a B. A. in accounting from University of Puerto Rico, Mayagüez Campus where she was Ms. ROTC Queen. Themis worked in finance for the Puerto Rico Telephone Company for many years before moving to the Palm Beach area in 1977.