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Q&A With Yennai Castillo

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Yennai Castillo
Department Of Social Services Intern, Westchester County Government

Location: Mount Venon, NY United States
Joined: Jul 14th, 2025
About   (request update)
I bring several years of hands-on professional experience across various government departments, including the Westchester County Department of Finance and the Department of Social Services. My internships have given me in-depth exposure to accounts payable, financial reporting, invoice processing, and budget tracking all while building a strong foundation in public finance and fiscal accountability. I’ve also taken on leadership roles in event planning and youth programming for local municipalities, where I honed my strategic planning, communication, and organizational skills.
I have a solid foundation in Excel, Tableau, and Power BI, I am good at to analysing data, communicate results clearly, and contribute to meaningful financial decisions.
Current Whereabouts:
Day Trading
Life & Professional Aspirations:
To become a Banking attorney
Education   (request update)
Morgan State University class of 2027
Undergrad Major: Finance
Claim To Fame:
My “Claim to Fame” in college is being named Resident Assistant of the Year. As an RA, I wasn’t just responsible for managing a floor or enforcing rules I was a mentor, a resource, and a consistent support system for students adjusting to college life. Being recognized with this award was incredibly meaningful because it reflected the relationships I built, the crises I helped manage, and the community I helped create. It showed that the work I put in behind the scenes late night checkins, problem solving, and advocating for my residents made a real difference.
Most Memorable Moment:
One of my most memorable college moments wasn’t a single event it was the journey of fighting for in-state tuition. Coming from New York, I knew from the beginning that if I didn’t secure in-state status, I wouldn’t be able to afford to continue my education at Morgan State University. It was one of the most stressful and humbling experiences I’ve ever gone through. Throughout my entire first year, I juggled multiple jobs just to meet the residency requirements. I was constantly running errands to the DMV, to pay state taxes, to file paperwork all while staying on top of my classes and trying to find some sense of balance. It wasn’t easy. When I finally got approved for instate tuition, it wasn’t just a financial win it was proof that my hard work, sacrifice, and determination had paid off. That moment reminded me that when something truly matters, you don’t give up on it no matter how hard it get!
Experience
I currently work with Westchester County Government as Department Of Social Services Intern
I have years of experience working in the industry.
Office of Organizational Enhancement and Professional Development | Westchester County Department of Social Services
From May 2025 to August 2025 • 0 year(s)
Processed invoices for staff training expenses and maintained financial records. Registered staff for professional development trainings.
Financial Analyst & Accounts Payable Intern | Westchester County Department of Finance
From May 2024 to August 2024 • 0 year(s)
Created purchase orders for county expenses and matched them with invoices. Maintained organized accounts payable records for auditing purposes.
Recreation Budget Specialist | Department of Recreation
From June 2023 to August 2024 • 1 year(s)
Organized youth camps and festivals, collected payments from guardians and vendors. Planned field trips for local camps.
Event Planning Staff | Department of Recreation and Parks
From August 2023 to April 2024 • 1 year(s)
Ensured event materials were in place and monitored activities for safety compliance. Maintained records of event attendance and participant feedback.
Jr. Accountant Assistant | Mount Vernon City Marshal
From June 2019 to December 2022 • 3 year(s)
Made daily deliveries to courthouse and lawyers, prepared affidavits for Deputy Marshal. Handled transaction processing and auditing.
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