Haley Koleszar

Development Associate

Haley joined PSE in January 2025 as the Development Associate. She has five years of experience in nonprofit development, having previously worked at another organization where she collaborated on impactful proposals, managed corporate partnership accounts, and developed fundraising campaigns. She is passionate about building meaningful relationships that advance organizational missions and achieve fundraising objectives.

Haley holds a Bachelor of Science degree in Business Administration from California State University Dominguez Hills.

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PSE | Physicians, Scientists, and Engineers for Healthy Energy
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